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Emerson MR105 Instruction Manual

1. Always open bleed valves slowly These moves away from the seat ring and the flow increases valves contain no packing so some fluid Type MR105 VALVE PLUG SEAT RING TYPE Y602 12 VENT DIAPHRAGM TYPE Y602 12 VENT POINTED DOWN OR 1 2 NPT PRESSURE LOADED SPRING CASE VENT M1178 Es INLET PRESSURE E OUTLET PRESSURE E ATMOSPHERIC PRESSURE VALVE SPRING CAGE 1 2 NPT CONTROL LINE CONNECTION ACTUATOR STEM ACTUATOR CONTROL SPRING Figure 2 Type MR105 with Low Pressure Actuator Operational Schematic downstream as the regulator opens in response to the decreased pressure underneath the diaphragm The downward motion of the plug allows flow through the cage into the downstream system Increased downstream pressure permits the regulator to close The combination of valve spring force and valve plug unbalance provides positive valve plug shutoff against the port and upper seals Installation Personal injury or system damage may result if this regulator is installed without appropriate overpressure protection where service conditions could exceed the limits given in the Specifications section and or regulator nameplate Refer to Overpressure Protection section for recommendations on how to prevent service conditions from exceeding those limits Additionally physical damage to the r
2. NACE continued NPS 1 DN 25 10B1882X012 Ethylene Propylene EPDM NPS 2 DN 50 16A5499X012 NPS 1 DN 25 14A6788X022 NPS 3 DN 80 16A5500X012 NPS 2 DN 50 24A5673X062 NPS 4 DN 100 16A5998X012 NPS 3 DN 80 24A5658X062 10 Indicator Stem 18 8 Stainless Steel NPS 4 DN 100 24A5643X052 NPS 1 DN 25 71431170012 13 Seat Ring NPS 2 DN 50 71427570012 416 Stainless Steel NPS 3 DN 80 71431270012 NPS 1 DN 25 24A6781X012 NPS 4 DN 100 T14313T0012 NPS 2 DN 50 24A5670X012 11 Cage NACE NPS 3 DN 80 24A5655X012 For Gas Service Linear CF8M Stainless Steel NPS 4 DN 100 24A5640X012 NPS 1 DN 25 34B4136X012 316 Stainless Steel NACE NPS 2 DN 50 34B5838X012 NPS 1 DN 25 24A6781X022 NPS 3 DN 80 34B5839X012 NPS 2 DN 50 24A5670X022 NPS 4 DN 100 34B5840X012 NPS 3 DN 80 24A5655X022 For Liquid Service Quick Open NPS 4 DN 100 24A5640X022 CF3M CF8M Stainless Steel 316L Stainless Steel NACE NPS 1 DN 25 GF03315X012 NPS 1 DN 25 24A6781X052 NPS 2 DN 50 NPS 2 DN 50 24A5670X042 Full Capacity GF03319X012 NPS 3 DN 80 24A5655X042 Reduced Capacity GG00814x012 NPS 4 DN 100 24A5640X042 NPS 3 DN 80 GF03311X012 14 Piston Ring NPS 4 DN 100 GF03314X012 PTFE NACE 12 Port Seal NACE NPS 1 DN 25 14A6786X012 Nitrile NBR NPS 2 DN 50 14A5675X012 NPS 1 DN 25 14A6788X012 NPS 3 DN 80 14A5660X012 NPS 2 DN50 24A5673X012 NPS 4 DN 100 14A5645X012 NPS 3 DN 80 24A5658X012 15 Upper Seal NACE NPS 4 DN 100 24A5643X012 Nitrile NBR Fluorocarbon FKM NP
3. key 48 onto it Using wrench flats hold the stem and torque the jam nuts individually Tighten to a torque of 12 to 14 ft lbs 16 to 19 Nem 20 21 22 23 24 25 Note For pressure loaded actuator option skip steps 20 and 21 and proceed to step 22 with upper casing welding assembly key 87 Install the upper diaphragm casing key 63 or spring case spacer key 66 assembly while aligning the bolt circle holes in the upper diaphragm casing diaphragm key 56 and lower diaphragm casing key 62 Note Exercise care to ensure that the diaphragm key 56 is not pinched twisted or wrinkled while compressing between the upper and lower diaphragm casings keys 62 and 63 Lubricate the cap screws key 57 and nuts key 58 and carefully insert through holes in the outer flange of the diaphragm casings keys 62 and 63 and diaphragm key 56 Tighten the cap screws to the hex nuts to a final torque value of 27 to 29 ft lbs 37 to 39 Nem Place the control spring key 68 inside the hole in the upper diaphragm casing key 63 or upper casing welding assembly key 87 and over the lower spring guide key 52 The spring should be sitting on top of the diaphragm plate key 55 Lubricate the bore on the top of the upper spring seat key 69 where the adjusting screw key 73 will make contact Place the upper spring seat on top of the control spring key 68 Install the spring case key 70 over the con
4. key 62 over and install another stem O ring key 47 and bearing key 46 in the top side of the lower casing Lubricate the bore on both ends of the lower diaphragm casing key 62 Install the lower casing over the actuator stem key 40 and thread into the valve body key 1 Tighten the lower casing into the body until the connecting pipe holes in the casing are located 90 from the valve body ends for correct tubing alignment Do not loosen the bonnet thread to align the pipe holes Always tighten the lower casing to make alignment for the control line Note Position the lower diaphragm casing key 62 such that the vent key 26 is facing valve body key 1 inlet the lube fitting key 44 is facing body outlet end and the 1 2 NPT control line connection key 30 is located 90 from the valve body ends Note Exercise care to ensure that the actuator stem key 40 enters and exits the casing bore without pinching cutting or damaging the actuator stem O rings key 47 The serrated side of the lower diaphragm head key 53 should be facing up toward the threaded end of the actuator stem key 40 Carefully install the lower diaphragm head over the actuator stem Note Exercise care to ensure that the actuator stem key 40 enters and exits the lower diaphragm head bore without pinching cutting or damaging in any way the lower diaphragm head O ring key 51 Lubricate the convoluted side of the diaphragm
5. 15 or valve plug key 16 part unscrew the seat ring key 13 from the cage key 11 and the cage from the body flange key 2 To remove the piston ring key 14 and or plug O ring key 20 remove the valve plug key 16 from the body flange insert a screwdriver into the pre cut fold over area of the piston ring and unfold the piston ring Proceed to step 6 if no further maintenance is necessary To replace the body flange key 2 or gain access to the valve spring key 9 indicator stem key 10 stem O ring key 7 spring seat key 28 or E ring key 23 remove the indicator protector key 19 and indicator scale key 18 Since some compression is left in the spring carefully remove the flanged nut key 22 and hex nut key 8 A screwdriver may be inserted through the O ring retainer key 6 to remove the stem O ring without removing the retainer If necessary unclip the E ring from the indicator stem Replace and lubricate parts such as the gasket key 4 and cage O ring key 17 as necessary If the port and upper seals keys 12 and 15 were removed install them in their retaining slots with the grooved sides facing out Also lubricate any other surfaces as necessary for ease of installation No further main valve maintenance is necessary if just the lower indicator fitting key 5 and attached parts were removed Install the plug O ring key 20 and piston ring key 14 onto the valve plug key 16 Insert
6. 50 NPS 3 DN 80 NPS 4 DN 100 NPT 34B7611X012 38A8845X012 Cast Iron CL125 FF 34B8630X012 38A8847X012 38A8851X012 38A8865X012 CL250 RF 37B5950X012 38A8846X012 38A8850X012 38A8854X012 NPT 37B5946X012 38A8848X012 eee CL150 RF 37B5947X012 38A8853X012 38A8872X012 38A8867X012 CL300 RF 37B5948X012 38A8849X012 38A8871X012 38A8869X012 Ee Ses CL600 RF 37B5949X012 38A8844X012 38A8852X012 38A8866X012 PN 16 25 40 RF GE05956X012 GE05960X012 PNIGRF wnnnnneeeee we ee eee eee GE05965xX012 GE05969X012 NPT 37B5946X032 38A8848X032 sie eee CL150 RF 37B5947X032 38A8853X072 38A8872X052 38A8867X042 CF8M Stainless Steel CL300 RF 37B5948X032 38A8849X032 38A8871X052 38A8869X032 NACE CL600 RF 37B5949X032 38A8844X032 38A8852X042 38A8866X032 PN 16 25 40 RF GE05956X022 GE05960X022 0 PN16RF ss renee nneeee wee eee eee ee GE05965x022 GE05969X022 CF3M Stainless Steel CL150 RF 37B5947X102 38A8853X082 NACE CL300 RF 37B5948X102 38A8849X122 38A8871X122 Os NPT 37B5946X022 38A8848X022 sie WORSE CL150 RF 37B5947X022 38A8853X052 38A8872X062 38A8867X032 eel CL300 RF 37B5948X022 38A8849X022 38A8871X042 38A8869X022 CL600 RF 37B5949X022 38A8844X022 38A8852X032 38A8866X022 Key Description Part Number Key Description Part Number 9 Valve Spring Inconel X750 NACE 12 Port Seal
7. DN 50 GE39060X032 NPS 3 DN 80 GE39059X032 Recommended spare part L2 MULTI PURPOSE NLGI GRADE 1 GREASE L3 ANTI SEIZE COMPOUND S MULTI PURPOSE PTFE THREAD SEALANT NOTE KEY 38 IS NOT USED WITH 1 4 NPT DRAIN VALVE OPTION 1 Lubricants and sealants must be selected such that they meet the temperature requirements 2 National Lubricating Grease Institute Figure 6 Type MR105 Direct Operated Pressure Reducing Regulator Assemblies Key Description Part Number 3 Stud Bolt Steel NPS 1 DN 25 4 required 1R2848X0752 NPS 2 DN 50 8 required 1K2429X0782 NPS 3 DN 80 8 required 1A3781X0562 NPS 4 DN 100 8 required 1R3690X0592 Stainless Steel NACE NPS 1 DN 25 4 required 1R284835222 NPS 2 DN 50 8 required 1K242935222 NPS 3 DN 80 8 required 1A378135222 NPS 4 DN 100 8 required 1R369035222 4 Gasket Composition NACE NPS 1 DN 25 14A6785X012 NPS 2 DN 50 14A5685X012 NPS 3 DN 80 14A5665X012 NPS 4 DN 100 14A5650X012 5 Lower Indicator Fitting Steel NPS 1 DN 25 T21117T0012 NPS 2 3 and 4 DN 50 80 and 100 T21107T0012 6 O ring Retainer Stainless Steel T14276T0012 7 Indicator Stem O ring Nitrile NBR 1E472706992 Fluorocarbon FKM 1N430406382 Ethylene Propylene EPDM 1D6875X0092 8 Hex Nut Steel 1A662228992 17 Type MR105 Key 1 Type MR105 Valve Bodies MATERIAL END CONNECTION PARTNUMBER NPS 1 DN 25 NPS 2 DN
8. LUBRICANT Key Description Part Number Quick Change Travel Indicator Kit Includes keys 5 6 7 8 9 10 18 19 21 22 23 28 35 36 2 required and 37 NPS 1 DN 25 1001212X142 NPS 2 DN 50 10C01212X112 NPS 3 DN 80 1001212X122 NPS 4 DN 100 1001212X132 Elastomer Trim Parts Kit Includes keys 4 12 14 15 17 20 and 21 Nitrile NBR NPS 1 DN 25 RMR1058XN12 NPS 2 DN 50 RMR1058XN22 NPS 3 DN 80 RMR1058XN32 NPS 4 DN 100 RMR1058XN42 Fluorocarbon FKM NPS 1 DN 25 RMR1058XF 12 NPS 2 DN 50 RMR1058XF22 NPS 3 DN 80 RMR1058XF32 NPS 4 DN 100 RMR1058XF42 Ethylene Propylene EPDM NPS 1 DN 25 RMR1058XE12 NPS 2 DN 50 RMR1058XE22 NPS 3 DN 80 RMR1058XE32 NPS 4 DN 100 RMR1058XE42 Actuator Parts Kit Includes keys 45 46 2 required 47 2 required 48 2 required 49 51 56 and 60 For Low Pressure Actuator only Nitrile NBR Low Pressure Actuator RMR1058XNL2 High Pressure Actuator RMR1058XNH2 Fluorocarbon FKM Low Pressure Actuator RMR1058XFL2 High Pressure Actuator RMR1058XFH2 Ethylene Propylene EPDM Low Pressure Actuator RMR1058XEL2 High Pressure Actuator RMR1058XEH2 1 Valve Body See following table 2 Body Flange WCC Steel NPS 1 DN 25 GE39061X012 NPS 2 DN 50 GE39060X012 NPS 3 DN 80 GE39059X012 NPS 4 DN 100 GE39058xX012 CF8M Stainless Steel NACE NPS 1 DN 25 GE39061X022 NPS 2 DN 50 GE39060X022 NPS 3 DN 80 GE39059X022 NPS 4 DN 100 GE39058xX022 CF3M Stainless Steel NACE NPS 1 DN 25 GE39061X032 NPS 2
9. Singapore Tel 65 6770 8337 Europe Bologna 40013 Italy Tel 39 051 419 0611 Chartres 28008 France Tel 33 2 37 33 47 00 Middle East and Africa Dubai United Arab Emirates Tel 971 4811 8100 TESCOM Emerson Process Management Tescom Corporation USA Headquarters Elk River Minnesota 55330 2445 USA Tels 1 763 241 3238 1 800 447 1250 Europe Selmsdorf 23923 Germany Tel 49 38823 31 287 Asia Pacific Shanghai 201206 China Tel 86 21 2892 9499 The Emerson logo is a trademark and service mark of Emerson Electric Co All other marks are the property of their prospective owners Fisher is a mark owned by Fisher Controls International LLC a business of Emerson Process Management The contents of this publication are presented for informational purposes only and while every effort has been made to ensure their accuracy they are not to be construed as warranties or guarantees express or implied regarding the products or services described herein or their use or applicability We reserve the right to modify or improve the designs or specifications of such products at any time without notice Emerson Process Management Regulator Technologies Inc does not assume responsibility for the selection use or maintenance of any product Responsibility for proper selection use and maintenance of any Emerson Process Management Regulator Technologies Inc product remains solely with the purchaser Emerson Process Man
10. actuator make certain the adjusting screw is completely backed off or the spring case pressure is vented prior to disassembly Otherwise the spring load or loading pressure could forcefully eject the spring case Replacing Main Spring 1 Loosen the jam nut key 72 If pressure loaded actuator is used remove also the sealing washer key 71 Using a hand wrench not an impact gun unscrew the adjusting screw key 73 and remove it from the spring case key 70 2 Loosen and remove the cap screws key 67 and lift off the spring case key 70 from the spring case spacer key 66 for Low Pressure Actuator upper casing welding assembly key 87 for Low Pressure Pressure Loaded Actuator or upper diaphragm casing key 63 for High Pressure Actuator 3 Remove the upper spring seat key 69 and control spring key 68 Replace the control spring if desired 4 For pressure loaded actuator replace the upper casing welding assembly top O ring Low Pressure Actuator or upper diaphragm casing O ring High Pressure Actuator key 64 if necessary Install the new O ring in the groove on the top surface of the upper casing welding assembly key 87 for Low Pressure Actuator or upper diaphragm casing key 63 for High Pressure Actuator If spring key 68 and spring case spacer upper diaphragm casing O ring key 64 replacement has been completed and no further maintenance in the actuator and its internal parts is necessary proceed to
11. casings keys 62 and 63 and diaphragm key 56 Lift off the upper diaphragm casing key 63 Unscrew the jam nuts key 48 detail V and remove them from the actuator stem key 40 Remove the Belleville spring washer key 49 and lower spring seat key 54 from the actuator stem key 40 Lift off the diaphragm key 56 from the actuator stem key 40 and inspect it for damage Replace if necessary If no further maintenance or inspection is required proceed to step 15 Note Exercise care to ensure that the actuator stem key 40 enters and exits the lower diaphragm head bore without pinching cutting or damaging in any way the lower diaphragm head O ring key 51 Carefully remove the lower diaphragm head key 53 from the actuator stem key 40 Replace the lower diaphragm head O ring key 51 if necessary If it is desired to replace the stem O rings key 47 detail X and Z and bearings key 46 disconnect the control line tubing Remove the lower diaphragm casing key 62 by unthreading it from the valve body key 1 Remove stem key 40 from the lower casing by pulling on the end of the stem without threads 11 12 13 15 Type MR105 Remove the wiper ring key 45 detail Z on the threaded end of the lower diaphragm casing key 62 to reach the bearing key 46 and stem O ring key 47 Install the new stem O ring and bearing and put back the wiper Turn the lower diaphragm casing
12. key 56 and place over the actuator stem key 40 and on top of the lower diaphragm head key 53 The convolutions of the diaphragm should be pointing up Type MR105 16 Place the lower spring seat key 54 and Belleville spring washer key 49 over the actuator stem key 40 and on top of the diaphragm key 56 The raised inner diameter of the spring washer should be pointing toward the threaded end of the actuator stem 17 Lubricate the threads of the actuator stem key 40 and thread the two jam nuts key 48 onto it Using wrench flats hold the stem and torque the two jam nuts individually Tighten to a torque of 12 to 14 ft lbs 16 to 19 Nem 18 Install the upper diaphragm casing key 63 while aligning the bolt circle holes in the upper diaphragm casing diaphragm key 56 and lower diaphragm casing key 62 Note Exercise care to ensure that the diaphragm key 56 is not pinched twisted or wrinkled while compressing between the upper and lower diaphragm casings keys 62 and 63 19 Lubricate the cap screws key 57 and nuts key 58 and carefully insert through holes in the outer flange of the diaphragm casings keys 62 and 63 and diaphragm key 56 Tighten the cap screws to the hex nuts to a final torque value of 45 to 55 ft los 61 to 75 Nem 20 Place the control spring key 68 inside the hole in the upper diaphragm casing key 63 and over the lower spring seat key 54 The spring should be sitting on
13. regulator with the vent down allows condensation to drain minimizes the entry of water or other debris through the vent and minimizes vent blockage from freezing precipitation To protect against precipitation make certain that the vents are oriented such that the opening does not allow precipitation to enter vents Do not install the Type MR105 in a location where there can be excessive water Regulators Subjected to Heavy accumulation or ice formation such as directly ada beneath a downspout gutter or roof line of a Snow Conditions building Even a protective hood may not provide nee Some installations such as in areas with heavy adequate protection in these instances snowfall may require a hood or enclosure to protect the regulator from snow load and vent freeze over Type MR105 Personal injury equipment damage or leakage due to escaping fluid may result if the bonnet key 61 Low Pressure Actuator or lower diaphragm casing key 62 High Pressure Actuator is backed off or loosened when installing control line Downstream Control Line Installation The Type MR105 regulator requires a downstream control line for proper pressure control A 1 2 NPT control line connection is located on the bonnet for low pressure actuator see Figure 2 or on the lower diaphragm casing for high pressure actuator see Figure 3 For high pressure actuator with Quick Opening Cage liquid service pipe bushing key 76 and restricto
14. top of the lower spring seat 21 Lubricate the bore on the top of the upper spring seat key 69 where the adjusting screw key 73 will make contact Place the upper spring seat on top of the control spring key 68 22 Install the spring case key 70 over the control spring key 68 and upper spring seat key 69 and on top of the upper diaphragm casing key 63 Align the holes in the spring case with the holes in the upper casing while ensuring the vent assembly key 26 is aligned with valve body inlet 23 Lubricate cap screws key 67 and use them to secure the spring case key 70 to the upper diaphragm casing key 63 Tighten the cap screws to a final torque of 25 to 28 ft lbs 34 to 38 Nem Personal injury equipment damage or leakage due to escaping fluid may result if adjusting screw key 73 and jam nut key 72 are not installed properly Also spring key 68 may go solid resulting in regulator not locking up if jam nut is not installed and adjusting screw is adjusted completely down 24 Lubricate the adjusting screw key 73 and thread on the jam nut key 72 If pressure loaded actuator is used install the sealing washer key 71 Lubricate the adjusting screw and place it into the spring case key 70 Thread the adjusting screw using a hand wrench not an impact gun until it touches the upper spring seat key 69 Set the regulator to the desired outlet pressure according to the procedure in Adjustment sect
15. 7 with the stem threads install the lower indicator fitting key 5 down over the indicator stem key 10 until resting on the valve spring key 9 Install the hex nut key 8 and then the flanged nut key 22 on the indicator stem pushing on the fitting if necessary to provide sufficient stem thread exposure To maintain clearance for indicator part installation compress the spring seat key 28 by turning the hex nut key 8 down on the stem until the threads bottom Install the lower indicator fitting key 5 with attached parts into the body flange key 2 Back off the hex nut key 8 until the valve spring key 9 completely closes the valve plug key 16 against the port and upper seals keys 12 and 15 as indicated by stem threads showing between the hex nut key 8 and indicator fitting key 35 Hold the indicator scale key 18 against the indicator fitting with the scale base resting against the smallest shoulder of the indicator fitting and turn the flanged nut key 22 until its flange is aligned with the closed scale marking Then lock both nuts against each other and install the indicator scale and protector keys 18 and 19 Actuator Maintenance Perform this procedure if it is desired to inspect or replace the diaphragm or other internal parts or if it is desired to change the outlet pressure range of the regulator by changing the control spring To avoid possible personal injury from spring or pressure loaded
16. Instruction Manual Type M R1 05 Form 5874 December 2014 Type MR105 Direct Operated Pressure Reducing Regulators Contents IMTRODUCUON oa sisi tictsatenccadeanaedadanansanncteeataencnitsevealatanasaaande 2 SPECINCALONS sanoni nnan aaan a aaa aana ae 2 Principle of Operation cccccccceceeeeeeeeeeceeeeeeeeees 3 Installation sinciau inean aiiai 4 Overpressure Protection cecceceeeeeeeeeteeeseneees 8 SLAM pesca aina iade dace cocdtaduadeelevetni con derdedecnseadae 8 Adjustimentirs scsiiestecteuetecetedtest tues 9 SIUTCOWM oiiire ees aieds a aaia 9 Maintenance cccccccceeceeeeeeeeceeeeeaeceeeeeeeeeeeeesneees 10 PANS Listessi raadi aiaa aa 16 Failure to follow these instructions or to properly install and maintain this equipment could result in an explosion fire and or chemical contamination Prans i TYPE MR105 WITH causing property damage and personal UIGHPRESSURE ACTUATOR injury or death Fisher regulators must be installed operated and maintained in P1205 accordance with federal state and TYPE MR105 WITH local codes rules and regulations LOW PRESSURE ACTUATOR and Emerson Process Management Regulator Technologies Inc Figure 1 Type MR105 Direct Operated Pressure Emerson instructions Reducing Regulators If the regulator vents gas or a leak develops in the system service to the unit may be required Failure to correct trouble adjustment and unsafe operation Ei
17. M INLET BODY END PRESSURE Low Pressure High Pressure Low Pressure High Pressure MATERIAL CONNECTION Actuator Actuator Actuator Actuator psig bar psig bar psig bar psig bar psig bar NPT 340 23 4 340 23 4 340 23 4 Cast Iron CL125 FF 175 12 1 70 4 8 175 12 1 70 4 8 175 12 1 CL250 RF 400 27 6 400 27 6 400 27 6 NPT 400 27 6 400 27 6 400 27 6 CL150 RF 245 16 9 245 16 9 245 16 9 CL300 RF WCC steel CL600 RF 400 27 6 70 48 400 27 6 70 48 400 27 6 PN 16 RF 245 16 9 245 16 9 245 16 9 PN 16 25 40 RF 400 27 6 400 27 6 400 27 6 NPT 400 27 6 400 27 6 400 27 6 CL150 RF 225 15 5 225 15 5 225 15 5 CF8M CL300 RF Stainless steel CL600 RF 400 27 6 70 48 400 27 6 70 48 400 27 6 PN 16 RF 225 15 5 225 15 5 225 15 5 PN 16 25 40 RF 400 27 6 400 27 6 400 27 6 NPT 400 27 6 400 27 6 400 27 6 CL150 RF 185 12 7 185 12 7 185 12 7 CF3M CL300 RF Stainless steel CL600 RE 400 27 6 70 48 400 27 6 70 48 400 27 6 PN 16 RF 185 12 7 185 12 7 185 12 7 PN 16 25 40 RF 400 27 6 400 27 6 400 27 6 1 Based on a maximum temperature of 250 F 121 C 2 Maximum outlet and emergency casing pressures for constructions with Fluorocarbon FKM diaphragm are limited to 230 psig 15 8 bar or the body rating limit whichever is lower Type MR105 Note To avoid premature wear of internal parts it is recommended that the actuator be oriented up or down in liquid service as shown in Figures 2 and 3 General Installation Instructions Vertical installation with the actuator i
18. Orange 0 562 14 3 18 to 43 1 2 to 3 0 GE43002X012 Red 0 625 15 9 9 70 25 to 60 1 7 to 4 1 GE42907X012 Green 0 375 9 52 High Pressure 43 to 100 3 0 to 6 9 GE42909X012 White 0 437 11 1 75 to 1752 5 2 to 12 12 GE42910xX012 Silver 0 500 12 7 110 to 3002 7 6 to 20 7 GE42911X012 Orange 0 562 14 3 NPS 3 AND 4 DN 80 AND 100 BODY SIZE Maximum Pressure Over Actuator Type Spring Range Spring Part Spring Color Spring Wire Diameter Spring Free Length Setpoint to Avoid Internal Number Code Parts Damage psig bar In mm In psig 5 to8 0 34 to 0 55 GE42909X012 White 0 437 11 1 8 to 20 0 55 to 1 4 GE42910xX012 Silver 0 500 12 7 Low Pressure 12 to 30 0 83 to 2 1 GE42911X012 Orange 0 562 14 3 18 to 39 1 2 to 2 7 GE43002X012 Red 0 625 15 9 9 70 39 to 72 2 7 to 5 0 GE42909X012 White 0 437 11 1 High Pressure 71 to 1752 4 9 to 12 12 GE42910X012 Silver 0 500 12 7 120 8 3 110 to 2502 7 6 to 17 2 GE42911X012 Orange 0 562 14 3 1 NPS 2 DN 50 body size spring range is limited to 45 psig 3 1 bar 2 Maximum setpoint is limited to 150 psig 10 3 bar for constructions with Fluorocarbon FKM diaphragm 27 6 bar and temperatures up to 250 F 121 C Large multi purpose regulators provide fast simple reliable and economical pressure control for a number of applications and are suitable for different flow media such as liquid air and gas In addition the drain valve option allows you t
19. S 1 DN 25 14A6789X012 NPS 1 DN 25 14A8186X012 NPS 2 DN 50 24A5674X012 NPS 2 DN 50 25A7412X012 NPS 3 DN 80 24A5659X012 NPS 3 DN 80 25A7375X012 NPS 4 DN 100 24A5644X012 NPS 4 DN 100 25A7469X012 Fluorocarbon FKM NPS 1 DN 25 14A8187X012 NPS 2 DN 50 25A7413X012 NPS 3 DN 80 25A7376X012 NPS 4 DN 100 25A7468X012 Recommended spare part Inconel is a mark owned by Special Metals Corporation 18 Key Description 15 Upper Seal NACE continued Ethylene Propylene EPDM NPS 1 DN 25 NPS 2 DN 50 NPS 3 DN 80 NPS 4 7 DN 100 16 Valve Plug 416 Stainless Steel NPS 1 DN 25 NPS 2 DN 50 NPS 3 DN 80 NPS 4 7 DN 100 20910 Stainless Steel NACE NPS 1 DN 25 316 Stainless Steel NACE NPS 2 DN 50 NPS 3 DN 80 NPS 4 7 DN 100 316L Stainless Steel NACE NPS 2 DN 50 NPS 3 DN 80 NPS 4 7 DN 100 17 Cage O ring NACE Nitrile NBR NPS 1 DN 25 NPS 2 DN 50 NPS 3 DN 80 NPS 4 DN 100 Fluorocarbon FKM NPS 1 DN 25 NPS 2 DN 50 NPS 3 DN 80 NPS 4 7 DN 100 Ethylene Propylene EPDM NPS 1 DN 25 NPS 2 DN 50 NPS 3 DN 80 NPS 4 7 DN 100 18 Travel Indicator Scale Plastic NPS 1 DN 25 NPS 2 DN 50 NPS 3 and 4 DN 80 and 100 19 Travel Indicator Protector Zinc Plated Steel 20 Valve Plug O ring NACE Nitrile NBR NPS 1 DN 25 NPS 2 DN 50 NPS 3 DN 80 NPS 4 7 DN 100 Fluorocarbon FKM NPS 1 DN 25 NPS 2 DN 50 NPS 3 DN 80 NPS 4 7 DN 100 Ethylene Propylene EPDM NPS 1 DN 25 NPS 2 DN 50 NPS 3 DN 80 NP
20. S 1 and 2 DN 25 and 50 body sizes only Upper Spring Seat Zinc Plated Steel NACE Spring Case WCC Steel CF3M CF8M Stainless Steel NACE Seal Washer For Pressure Loaded Actuator only Steel Nitrile NBR Steel Fluorocarbon FKM Jam Nut NACE Steel Stainless Steel Adjusting Screw NACE Steel Stainless Steel Restrictor see Figure 4 For Liquid Service High Pressure Actuator only Steel Stainless Steel NACE Pipe Bushing 1 required For All Actuators Steel Stainless Steel NACE Pipe Bushing 2 required For Liquid Service on High Pressure Actuators Steel Stainless Steel NACE Pipe Nipple Stainless Steel NACE not shown Drain Valve Stainless Steel NACE see Figure 5 1 4 NPT Internal Stiffener Plate Low Pressure Actuator only Steel Stainless Steel NACE Bleed Valve Stainless Steel NACE see Figure 5 1 8 NPT Upper Casing Welding Assembly Low Pressure Actuator only not shown Steel Stainless Steel Part Number 1A368424052 1A3684X0102 GG00877X012 GG00877X022 104038X0062 104038X0032 GE42909X012 GE42910X012 GE42911X012 GE43002xX012 GE42907X012 GG02175x012 GG00917X012 GG00917X022 11A9681X012 11A9681X022 1A319224122 1A3192K0012 GG03609X012 GG03609X022 17B5175X022 17B5175xX012 10379026232 103790X0012 10379026232 103790X0012 10488238982 13B2392X082 ERSA00169A0 ERSA00169A1 15A6011XDG2 ERSA02584A0 ERSA02584A1 1 Meets chemical and physical requiremen
21. S 4 7 DN 100 Lower Indicator Fitting O ring NACE Nitrile NBR NPS 1 DN 25 NPS 2 3 and 4 DN 50 80 and 100 Fluorocarbon FKM NPS 1 DN 25 NPS 2 3 and 4 DN 50 80 and 100 Ethylene Propylene EPDM NPS 1 DN 25 NPS 2 3 and 4 DN 50 80 and 100 2 Recommended spare part Part Number 14A6789X022 24A5674X062 24A5659X062 24A5644X052 14A6780X012 24A6772X012 24A9421X012 24A8182X012 14A6780X132 24A6772X032 24A9421X022 24A8182X022 24A6772X072 24A9421X052 24A8182X052 10A7777X012 10A7779X012 14A5688X012 10A3481X012 10A7778X012 10A7779X022 14A5688X022 10A3483X012 10A7777X022 10A7779X052 14A5688X082 10A3481X052 14A6759X012 14A5678X012 14A5662X012 14A6769X012 14A6981X012 14A5686X012 1V326906562 14A5688X012 14A8188X012 14A5686X022 1V3269X0042 14A5688X022 14A6981X032 14A5686X052 1V3269X0062 14A5688X082 10A8931X012 10A3800X012 10A0811X012 1R727606382 10A8931X022 10A3800X042 28 29 30 38 40 48 49 51 Type MR105 Description Part Number Flange Nut Steel 14A5693X012 E ring Stainless Steel 14A8181X012 Drive Screw Stainless Steel NACE 6 required 1A368228982 Flow Arrow Vent Assembly NACE 2 required 1 required for Pressure Loaded Actuator Plug Type MR105 Without Travel Indicator Only Type Y602 12 Steel NPS 1 DN 25 14A6983X012 NPS 2 3 and 4 DN 50 80 and 100 14A9684X012 Stainless Steel NACE NPS 1 DN 25 14A6983X022 NPS 2 3 a
22. agement Regulator Technologies Inc 2010 2014 All Rights Reserved CS wa aL EMERSON
23. ed Nitrile NBR 10782206992 Fluorocarbon FKM 1K756106382 Ethylene Propylene EPDM 107822X0052 Jam Nut 2 required Zinc Plated Steel NACE 1A946324122 Belleville Spring Washer NACE GG04933X012 Lower Diaphragm Head O ring NACE Nitrile NBR 1P420706992 Fluorocarbon FKM 1L949306382 Ethylene Propylene EPDM 1P4207X0032 19 Type MR105 Key Description 52 Lower Spring Guide Zinc Plated Steel NACE Low Pressure Actuator only 53 Lower Diaphragm Head 17 4 Stainless Steel NACE Low Pressure Actuator High Pressure Actuator 54 Lower Spring Seat Zinc Plated Steel NACE High Pressure Actuator only 55 Diaphragm Plate Cast Iron NACE Low Pressure Actuator only 56 Diaphragm NACE Low Pressure Actuator Nitrile NBR Nylon PA Fluorocarbon FKM Nylon PA Ethylene Propylene EPDM High Pressure Actuator Nitrile NBR Nylon PA Fluorocarbon FKM Nomex Ethylene Propylene EPDM 57 Cap Screw Low Pressure Actuator 16 required Steel Stainless Steel NACE High Pressure Actuator 8 required Steel Stainless Steel NACE 58 Hex Nut Low Pressure Actuator Steel 16 required Stainless Steel 16 required NACE High Pressure Actuator Steel 8 required Stainless Steel 16 required NACE 60 O ring NACE Low Pressure Actuator only Nitrile NBR Fluorocarbon FKM 61 Bonnet Low Pressure Actuator only Steel 316 Stainless Steel NACE 62 Lower Diaphragm Casing Low Pressure Actuator Steel 316 Stain
24. egulator may result in personal injury or property damage due to escaping of accumulated gas To avoid such injury and damage install the regulator in a safe location All vents should be kept open to permit free flow of gas to the atmosphere Protect openings against entrance of rain Snow insects or any other foreign material that may plug the vent or vent line On outdoor installations point the spring case vent downward to allow condensate to drain Under enclosed conditions or indoors escaping gas may accumulate and be an explosion hazard In these cases the vent should be piped away from the regulator to the outdoors Type MR105 M1181 VALVE PLUG SEAT RING TYPE Y602 12 VENT VALVE SPRING CAGE ACTUATOR STEM 1 2 NPT CONTROL LINE CONNECTION DIAPHRAGM TYPE Y602 12 VENT POINTED DOWN ome OR 1 2 NPT PRESSURE LOADED Oo SPRING CASE VENT Ome m INLET PRESSURE OUTLET PRESSURE E ATMOSPHERIC PRESSURE ACTUATOR CONTROL SPRING Figure 3 Type MR105 with High Pressure Actuator Operational Schematic Table 3 Maximum Inlet Outlet and Emergency Casing Pressure MAXIMUM OUTLET PRESSURE MAXIMUM EMERGENCY CASING PRESSURE MAXIMU
25. ing off of the bonnet If it is desired to replace the bonnet and stem O rings keys 60 and 47 and bearings key 46 disconnect the control line attached to bonnet key 61 Unscrew the bonnet from the valve body key 1 Remove stem key 40 from the bonnet by pulling on the end of the stem without threads Remove the wiper key 45 detail Z on the threaded orifice side end of the bonnet key 61 to reach the bearing key 46 and stem O ring key 47 Install the new stem O ring and bearing and put back the wiper Turn the bonnet key 61 over and install another stem O ring key 47 and bearing key 46 detail X in the top side of the bonnet Inspect the bonnet O ring key 60 installed in the groove located on the top surface of the bonnet key 61 for any damage and replace if necessary Lubricate the bore on both ends of the bonnet key 61 Install the bonnet over the actuator stem key 40 and thread into the valve body key 1 Tighten the bonnet into the body until the connecting pipe holes in the bonnet are located 90 from the valve body ends for correct tubing Type MR105 15 16 17 18 19 alignment Do not loosen the bonnet thread to align the pipe holes Always tighten the bonnet to make alignment for the control line Note Position the bonnet key 61 such that the vent key 26 is facing valve body key 1 inlet the lube fitting key 44 is facing body outlet end and the 1 2 NPT contr
26. ion Regulator Reassembly As indicated by the square callouts in Figure 6 it is recommended that a good quality pipe thread sealant be applied to pressure connections and fittings and a good quality lubricant be applied to O rings Also apply an anti seize compound to the adjusting screw threads and other areas as needed After repair the regulator should be tested for proper operation before being put back into service Parts Ordering When corresponding with your local Sales Office about this regulator always reference the equipment serial number or FS number found on the nameplate When ordering replacement parts reference the key number of each needed part as found in the following parts list Separate kits containing all recommended spare parts are available Parts List Note In this parts list parts marked NACE are intended for corrosion resistant service as detailed in the NACE International Standard MR0175 2003 and MRO0103 Use only genuine Fisher replacement parts Components that are not supplied by Emerson should not under any circumstances be used in any Fisher regulator because they will void your warranty might adversely affect the performance of the valve and could give rise to personal injury and property damage Type MR105 GE38435 APPLY LUBRICANT OR SEALANT L1 MULTI PURPOSE POLYTETRAFLUOROETHYLENE PTFE
27. less Steel NACE High Pressure Actuator Steel CF3M CF8M Stainless Steel NACE High Pressure Actuator with 1 8 NPT Tap for Bleed Valve optional Steel CF3M CF8M Stainless Steel NACE 63 Upper Diaphragm Casing Low Pressure Actuator Steel 316 Stainless Steel NACE High Pressure Actuator Steel CF3M CF8M Stainless Steel NACE 64 Upper Diaphragm Casing O ring For Low and High Pressure Actuator Nitrile NBR Fluorocarbon FKM Recommended spare part Nomex is a mark owned by E I du Pont de Nemours and Co Part Number GE39171X012 GE39137X012 GG02195x012 GE39174xX012 GG02994xX012 GG02995x012 GG02995xX022 GG02995xX052 GE39329X012 GE39329X022 GE39329X052 1E7603X0062 1E7603X0072 T10990X0012 1A219235222 1A3465xX0092 1A3465xX0102 1E9445x0502 1A337435252 1F 358106992 1F3581X0022 33B0301X012 33B0301X072 24A5680X012 24A5680X072 GG00833X012 GG00833X022 ERSA01471A0 ERSA01471A1 GG02988X012 GG02988X022 GG00884x012 GG00884X022 1P233206992 1P2332X0012 Key 65 66 67 68 69 71 72 73 75 76 76 81 82 84 85 87 Description Cap Screw 10 required Low Pressure Actuator only Steel Stainless Steel NACE Spring Case Spacer Low Pressure Actuator only Steel 316 Stainless Steel NACE Cap Screw 6 required Steel Stainless Steel NACE Control Spring Steel Alloy NACE Refer to Table 2 for the Spring Ranges White Silver Orange Red Green for NP
28. ly Torque Type MR105 Apply the lubricants as the regulator is being reassembled All O rings gaskets and seals should be lubricated with a good grade of general purpose lubricant and installed gently rather than forced into position Refer to Table 6 for torque specifications Refer to Figure 6 while servicing Type MR105 regulators Replacing Travel Indicator Assembly If the trim parts are replaced the travel indicator should also be replaced The Quick Change Travel Indicator Kit includes a travel indicator assembly including all necessary elastomers for the travel indicator The elastomer repair kit does not contain the elastomeric components for the travel indicator assembly 1 Remove the travel indicator assembly by removing the lower indicator fitting key 5 from the body flange key 2 2 Coat the threads of the lower indicator fitting key 5 with a good grade of general purpose lubricant 3 Install the travel indicator assembly torque the lower indicator fitting key 5 to 90 to 130 ft lbs 122 to 176 Nem TORQUE NPS 1 DN 25 NPS 2 DN 50 NPS 3 DN 80 NPS 4 DN 100 BART NAME ANG KEY NUMBER Body Size Body Size Body Size Body Size FT LB Nem FT LB Nem FT LB Nem FT LB Nem Body Flange Studs and Nuts keys 3 and 29 75to95 102to129 50to65 68 to 88 100 to 130 136 to 176 160 to 210 217 to 285 Lower Indicator Fitti
29. m shut off valve to the regulator outlet To avoid personal injury or damage of internal parts from a pressure loaded actuator carefully vent the regulator spring case pressure prior to outlet pressure 4 If the actuator is pressure loaded vent the loading pressure slowly to release pressure in the spring case Note To avoid internal damage due to reverse pressurization of main valve components make certain pressure reducing regulator outlet pressure is bled prior to inlet pressure 5 Slowly open the downstream vent valve to vent downstream pressure 6 Leave the downstream vent valve open to vent inlet pressure and to release all remaining pressure in the regulator 7 Ifthe regulator has the drain valve option slowly open valve to drain fluid inside valve body Make sure to close valve after fluid has been drained Maintenance Personal injury equipment damage or leakage due to escaping fluid may result if seals are not properly lubricated or maintained Due to normal part wear or damage that may occur from external sources this regulator should be inspected and maintained periodically The frequency of inspection maintenance and replacement of parts depend upon the severity of service conditions or the requirements of local state and federal regulations Regulators that have been disassembled for repair must be tested for proper operation before being returned to service Only parts manufactured by Eme
30. nd 4 DN 50 80 and 100 14A9684X032 Spring Seat Zinc Plated Steel NPS 1 DN 25 14A6982X012 NPS 2 3 and 4 DN 50 80 and 100 15A2206X012 Hex Nut Steel NPS 1 DN 25 4 required 1C03306X0832 NPS 2 DN 50 8 required 1A3772X0892 NPS 3 DN 80 8 required 1A3760X0832 NPS 4 DN 100 8 required 1A3520X0922 Stainless Steel NACE NPS 1 DN 25 4 required 10330635252 NPS 2 DN 50 8 required 1A377235252 NPS 3 DN 80 8 required 1A376035252 NPS 4 DN 100 8 required 1A352035252 Pipe Plug 1 2 NPT Steel 1A369224492 Stainless Steel NACE 1A369235072 NACE Tag not shown wwe e222 Seal Wire Stainless Steel NACE not shown 1U7581X0022 Indicator Fitting Stainless Steel T21104T0012 Back O ring PTFE 2 required 1K786806992 Indicator Fitting O ring Nitrile NBR 18B3438X012 Fluorocarbon FKM 1N430306382 Ethylene Propylene EPDM 1N4303X0012 Pipe Plug 1 4 NPT not used with Drain Valve option Steel 1A767524662 Stainless Steel NACE 1A767535072 Actuator Stem 17400 Stainless Steel NPS 1 DN 25 GE39146xX012 NPS 2 DN 50 GE39147X012 NPS 3 DN 80 GE39148xX012 NPS 4 DN 100 GE39149X012 S820910 Stainless Steel NACE NPS 1 DN 25 GE39146X022 NPS 2 DN 50 GE39147X022 NPS 3 DN 80 GE39148X022 NPS 4 DN 100 GE39149X022 Nameplate 2 ee ee ene Lube Fitting Steel NACE 1L847828992 Wiper Ring NACE 15A6002XN12 Bearing NACE 2 required Nylon PA 17A7112X012 Nyliner 17A7112X022 Valve Stem O ring NACE 2 requir
31. ng key 5 90 to 130 122to 176 90to 130 122t0 176 90to 130 122 to 176 90 to 130 122 to 176 Indicator Plug key 27 90 to 130 122to 176 90to 130 122t0 176 90to 130 122 to 176 90to 130 122 to 176 Indicator Fitting key 35 60to90 81to122 60to90 81to122 60to90 81to122 60to90 81 to 122 Actuator Stem Jam Nuts key 48 12 to 14 16 to 19 12 to 14 16 to 19 12 to 14 16 to 19 12 to 14 16 to 19 Low Pressure Actuator Flange Cap Screws and Nuts 571499 371039 27t029 37to39 27t029 371039 271029 37 to39 keys 57 and 58 High Pressure Actuator Flange Studs and Nuts 45t055 61to75 45to55 61to75 45to55 61to75 45to55 61to75 keys 57 and 58 Bonnet and Spring Case Spacer Cap Screws key 65 10 to 12 14 to 16 10 to 12 14 to 16 10 to 12 14 to 16 10 to 12 14 to 16 Spring Case Cap Screws key 67 25 to 28 34 to 38 25 to 28 34 to 38 25 to 28 34 to 38 25 to 28 34 to 38 Note All studs screws and nuts shall be lubricated All final torque values shall be verified with a calibrated torque wrench Table 7 Type MR105 Trim Weight BODY SIZE TRIM WEIGHT WITH TRIM WEIGHT WITHOUT 4 Check indicator zeroing by unscrewing the TRAVEL INDICATOR TRAVEL INDICATOR indicator protector key 19 and seeing if the flange NPS DN LB kg LB kg of the flanged nut key 22 lines up evenly with 1 25 9 41 3 36 the closed mark on the indicator scale key 18 If not remove the indicator scale and separate the 2 50 15 6 8 14 6 4 a flanged nu
32. nstalled as instructed in the Installation section Pressure gauges must always be used to monitor downstream pressure during Startup 1 Check that proper installation is completed and downstream equipment has been properly adjusted 2 Make sure all block and vent valves are closed 3 Slowly open the valves in the following order a Loading supply and control line valve s if used b Inlet shut off valve c Outlet shut off valve 4 Ifthe regulator has the bleed valve option slowly open valve to allow air to escape from lower casing Once fluid starts to bleed out close valve The regulator is factory set as specified on the order or at the midpoint of the spring range The allowable spring range is stamped on the nameplate If a pressure setting other than the one specified is desired be sure to change the pressure setting by following the Adjustment procedure 5 If resetting setpoint then set the regulator to the desired outlet pressure according to the Adjustment procedure Adjustment Key numbers are referenced in Figure 6 Personal injury equipment damage or leakage due to escaping fluid may result if adjusting screw key 73 and jam nut key 72 are not installed properly Also main spring key 68 may go solid resulting in the regulator not locking up if jam nut is not installed and adjusting screw is adjusted completely down The factory setting of the regulator can be varied within the pressu
33. nstalled directly above or below the main valve is recommended but for optimal performance the actuator should be installed below the main valve The use of a bleed valve is recommended for liquid installations that require the high pressure actuator to be mounted above the main valve The unit will operate in horizontal installations with the actuator on the side however this could result in premature wear of parts Make sure that flow will be in the same direction as that indicated by the body arrow Orientation of the two vents should always be down Vents may be rotated after regulator installation so that the vent screens are down Before installing the regulator Check for damage which might have occurred during shipment Check for and remove any dirt or foreign material which may have accumulated in the regulator body Blow out any debris dirt or copper sulfate in the tubing and the pipeline Apply pipe compound to the external threads of the pipe before installing the regulator Make sure gas flow through the regulator is in the same direction as the arrow on the body Inlet and Outlet connections are clearly marked Note A linear cage is recommended for applications where low flow stability is a concern but it will limit the overall capacity of the regulator Note For proper regulator control and operation make certain the flow arrow on the body matches the flow direction Note Contact appro
34. o drain the system without expensive spool pieces saving you time and space Also the bleed valve option allows you to purge the air trapped underneath the diaphragm when the high pressure regulator is installed in the upright position Typical applications include lube oil cooling water and natural gas district stations Escaping process fluid from an open bleed valve may result in regulator damage personal injury and property damage To avoid such injury and damage make certain the bleed valve if used is properly closed after venting air or equivalent weepage will occur when the valves are opened Operating personnel must protect themselves from exposure to system fluids or equivalent Principle of Operation The Type MR105 is a direct operated pressure reducing regulator Downstream pressure is registered externally through a 1 2 NPT control line tapped in the bonnet for low pressure actuator see Figure 2 or in the lower diaphragm casing for high pressure actuator see Figure 3 When downstream demand decreases the pressure under the actuator diaphragm increases This pressure overcomes the regulator setting which is set by the regulator control spring Through the action of the actuator stem and valve spring the valve plug moves closer to the seat ring and reduces the flow When demand downstream increases pressure under the actuator diaphragm decreases Spring force pushes the actuator stem downward the valve plug
35. ol line connection key 30 is located 90 from the valve body ends Note Exercise care to ensure that the actuator stem key 40 enters and exits the bonnet bore without pinching cutting or damaging the valve stem O rings key 47 Lubricate the cap screws key 65 and use it to position and secure the lower diaphragm casing key 62 and internal stiffener plate key 84 to the bonnet key 61 Tighten the cap screws to a torque of 10 to 12 ft lbs 14 to 16 Nem The serrated side of the lower diaphragm head key 53 should be facing up toward the threaded end of the actuator stem key 40 Carefully install the lower diaphragm head over the actuator stem Note Exercise care to ensure that the actuator stem key 40 enters and exits the lower diaphragm head bore without pinching cutting or damaging in any way the lower diaphragm head O ring key 51 Place the diaphragm key 56 over the actuator stem key 40 and on top of the lower diaphragm head key 53 The convolutions of the diaphragm should be pointing up Place the following over the actuator stem key 40 and on top of the diaphragm key 56 in the following order diaphragm plate key 55 lower spring guide key 52 and Belleville spring washer key 49 The raised inner diameter of the Belleville spring washer should be pointing toward the threaded end of the actuator stem Lubricate the threads of the actuator stem key 40 and thread the two jam nuts
36. priate Emerson representative prior to removing or modifying restrictor if used in sense RESTRICTOR KEY 75 PIPE BUSHING KEY 76 Figure 4 Type MR105 with High Pressure Actuator and Restrictor Option line Improper adjustment to restrictor can lead to instability in pressure reducing regulator Note Restrictor is intended for use on liquid applications with high pressure actuator Refer to Figure 4 This regulator can be installed in a pit which is prone to flooding The vents of the spring case and lower diaphragm casing High Pressure Actuator or bonnet Low Pressure Actuator should be above the expected flood level or vent lines should be installed to terminate above the water level so that they are exposed to atmospheric pressure Type MR105 Table 4 Maximum Differential Pressure BODY SIZE MAXIMUM DIFFERENTIAL PRESSURE ACTUATOR TYPE Gas Service Linear Cage Liquid Service Quick Opening Cage NPS DN psid bard psid bard 1 25 200 13 6 2 50 400 or maximum 27 6 or maximum 200 13 6 Low Pressure inlet pressure inlet pressure 3 80 whichever is lower whichever is lower 225 15 5 4 100 225 15 5 1 25 j 250 17 2 i 2 50 400 or maximum 27 6 or maximum 200 13 6 High Pressure inlet pressure inlet pressure 3 80 whichever is lower whiche
37. r key 75 should be installed in the 1 2 NPT control line connection see Figure 4 Connect the downstream control line tubing to the bonnet or lower casing and run the tubing approximately 20 in 0 5 m downstream For best results the outer diameter of the control line tubing should be 3 8 in 9 5 mm or larger Vent Line Installation Type MR105 regulators have a 1 2 NPT vent opening on the spring case When installed inside a building or if it is necessary to vent escaping gas away from the regulator install a remote vent line in the spring case tapping Vent piping should be as short and direct as possible with a minimum number of bends and elbows The remote vent line should be at least 1 2 in 13 mm outer diameter tubing or 1 2 NPT pipe Remove the Type Y602 12 vent and the pipe bushing key 76 Figure 6 and attach the vent line at this location The other end of the vent line should be located outside with a screened vent Type Y602 12 vent connector The Type Y602 12 vent connector should be pointed down and protected as described in the Installation Location section Overpressure Protection Personal injury equipment damage or leakage due to escaping accumulated gas or bursting of pressure containing parts may result if this regulator is Overpressured Used with incompatible process fluid Installed where service conditions could exceed the limits given in the Specifications section and on the approp
38. re Capabilities Nitrile NBR 20 to 180 F 29 to 82 C Fluorocarbon FKM 20 to 250 F 7 to 121 C Ethylene Propylene EPDM 20 to 225 F 29 to 107 C Flow and Sizing Coefficients See Table 5 Pressure Registration External Downstream Control Line Connection Size 1 2 NPT Spring Case Vent Type Y602 12 Pressure Loaded Spring Case Vent 1 2 NPT Approximate Weights For Type MR105 with Low Pressure Actuator NPS 1 DN 25 86 lbs 39 kg NPS 2 DN 50 116 lbs 53 kg NPS 3 DN 80 165 lbs 75 kg NPS 4 DN 100 174 lbs 79 kg For Type MR105 with High Pressure Actuator NPS 1 DN 25 76 lbs 34 kg NPS 2 DN 50 105 Ibs 48 kg NPS 3 DN 80 155 Ibs 70 kg NPS 4 DN 100 164 lbs 74 kg Options e Visual Travel Indicator e Drain Valve e Pressure Loaded Actuator e NACE Construction e Bleed Valve for High Pressure Actuator Only e Ethylene Propylene EPDM Elastomer Trim Parts 1 The pressure temperature limits in this Instruction Manual and any applicable standard or code limitation should not be exceeded 2 Fluorocarbon FKM is limited to 200 F 93 C in hot water 3 Ethylene Propylene EPDM is limited to 20 to 250 F 7 to 121 C when used with Low Pressure Actuator To avoid possible personal injury equipment damage or leakage due to escaping fluid do not stand on or apply an external load to the actuator or any part of the regulator while working around the regulator Note To avoid ca
39. re range stamped on the nameplate To change the outlet pressure loosen the jam nut key 72 using a hand wrench not an impact gun turn the adjusting screw key 73 clockwise to increase outlet pressure setting or counterclockwise Type MR105 1 4 NPT DRAIN VALVE KEY 82 1 8 NPT INLET BLEED VALVE KEY 85 Figure 5 Type MR105 with High Pressure Actuator Drain Valve and Bleed Valve Option to decrease it Monitor the outlet pressure with a test gauge during the adjustment Tighten the jam nut to maintain the desired setting All regulator springs can be backed off to provide zero outlet Recommended outlet pressure ranges available and color codes of the control springs are shown in the Specifications section and in Table 2 Shutdown Personal injury equipment damage or leakage due to escaping fluid may result if needle valves are used to isolate the pressure reducing regulator It is strongly recommended that block valves be used to properly isolate the regulator from system Escaping process fluid from an open drain valve see Figure 5 may result in regulator damage personal injury and property damage To avoid such injury Type MR105 and damage make certain the drain valve if used is properly closed after bleeding process fluid 1 Isolate the regulator from the system in steps 2 and 3 2 Close the upstream shut off valve to the regulator inlet 3 Close the downstrea
40. ressure Reducing Regulator Assemblies continued Type MR105 L1 mS L1 LS ZZZ y NL L1 SS SNY N DETAIL Z DETAIL Y 7411 DETAIL W NO TRAVEL INDICATOR 23 28 a 10 Q 6 zc 5 eC Li 21 SEE DETAIL W ur 37 O 2 TYPE MR105 WITH OPTIONAL TRAVEL INDICATOR GE38435 APPLY LUBRICANT L1 MULTI PURPOSE PTFE LUBRICANT Lubricants and sealants must be selected such that they meet the temperature requirements Figure 6 Type MR105 Direct Operated Pressure Reducing Regulator Assemblies continued 23 Type MR105 Industrial Regulators Emerson Process Management Regulator Technologies Inc USA Headquarters McKinney Texas 75070 USA Tel 1 800 558 5853 Outside U S 1 972 548 3574 Asia Pacific Shanghai 201206 China Tel 86 21 2892 9000 Europe Bologna 40013 Italy Tel 39 051 419 0611 Middle East and Africa Dubai United Arab Emirates Tel 971 4811 8100 For further information visit www fisherregulators com Natural Gas Technologies Emerson Process Management Regulator Technologies Inc USA Headquarters McKinney Texas 75070 USA Tel 1 800 558 5853 Outside U S 1 972 548 3574 Asia Pacific Singapore 128461
41. riate nameplate or e Where conditions exceed any ratings of adjacent piping or piping connections To avoid such injury or damage provide pressure relieving or pressure limiting devices to prevent service conditions from exceeding those limits Type MR105 regulators have an outlet pressure rating lower than the inlet pressure rating The recommended pressure limitations are stamped on the regulator nameplate Some type of overpressure protection is needed if the actual inlet pressure can exceed the maximum operating outlet pressure rating Overpressuring any portion of the regulators beyond the limits in the Specifications section may cause leakage damage to regulator parts or personal injury due to bursting of pressure containing parts Provide an external overpressure protection if inlet pressure will be high enough to damage downstream equipment Common methods of external overpressure protection include relief valves monitoring regulators shut off devices and series regulation If the regulator is exposed to an overpressure condition it should be inspected for any damage that may have occurred Regulator operation below the limits specified in the Specifications section and regulator nameplate does not preclude the possibility of damage from external sources or from debris in the pipeline Startup To avoid possible personal injury equipment damage or leakage due to escaping fluid make certain the regulator is i
42. rson should be used for repairing Fisher regulators Restart gas utilization equipment according to normal start up procedures Note To protect against reduced performance make certain vents are not plugged when conducting routine maintenance Annual Maintenance The stem O rings on the Type MR105 actuator can be lubricated during regularly scheduled maintenance using the grease fitting key 44 Stem O rings can be checked for damage during normal operation If line pressure leakage or unexpected grease extrusion from the actuator vent key 26 is observed the stem O ring needs to be replaced Change Nameplate Be certain that the nameplates are updated to accurately indicate any field changes in equipment materials service conditions or pressure settings Disassembly To avoid personal injury resulting from sudden release of pressure isolate the regulator from all pressure and cautiously release trapped pressure from the regulator before attempting disassembly Failure to properly follow maintenance installation procedures when replacing parts could result in regulator damage personal injury and property damage from escaping process fluid or regulators separation during testing or after reinstallation in the pipe line Instructions are given below for the disassembly of Type MR105 pressure reducing regulators Suitable lubricants are indicated on the assembly drawings Table 6 Type MR105 Product Assemb
43. step 23 for Low Pressure Actuator or step 20 for High Pressure Actuator For Low Pressure Actuator Diaphragm Replacement 5 Remove the cap screws key 57 and hex nuts key 58 connecting the casings key 63 or 87 and key 62 and diaphragm key 56 Lift off the upper diaphragm casing key 63 or upper casing welding assembly key 87 6 10 11 12 13 14 Type MR105 Unscrew the jam nuts key 48 and remove them from the actuator stem key 40 Remove the Belleville spring washer key 49 lower spring guide key 52 and diaphragm plate key 55 from the actuator stem key 40 Lift off the diaphragm key 56 from the actuator stem key 40 and inspect it for damage Replace if necessary If no further maintenance or inspection is required proceed to step 18 to reassemble the actuator Note Exercise care to ensure that the actuator stem key 40 enters and exits the lower diaphragm head bore without pinching cutting or damaging in any way the lower diaphragm head O ring key 51 Carefully remove the lower diaphragm head key 53 from the actuator stem key 40 so that the actuator stem threads do not damage the O ring inside the lower diaphragm head Replace the lower diaphragm head O ring key 51 if necessary Remove the cap screws key 65 connecting the lower diaphragm casing key 62 and internal stiffener plate key 84 to the bonnet key 61 Lift the stiffener plate and lower cas
44. t and hex nut key 8 Hold the indicator 3 80 30 14 28 13 err nor scale against the indicator fitting key 35 with the A 199 43 22 i 22 scale base resting against the smallest shoulder of the fitting and turn the flanged nut until its flange is aligned with the closed scale marking Then lock both nuts against each other and install the indicator scale and protector Replacing Trim Parts Perform this procedure when inspecting cleaning or replacing individual trim package parts All disassembly trim change and reassembly steps in this section may be performed with the regulator in the main line The trim for NPS 3 and 4 DN 80 and 100 is heavy see Table 7 and may be awkward to remove or reinstall in some valve pipeline orientations Follow your company policy for lifting and handling heavy parts Note Access to the valve spring key 9 and travel indicator parts in step 1 can be gained without removing the body flange key 2 11 Type MR105 Remove the lower indicator fitting key 5 and attached parts Proceed to step 5 if only maintenance on the indicator fitting or attached parts is performed Loosen the hex nuts key 29 and stud bolts key 3 and remove the body flange key 2 from the valve body key 1 Use the valve body key 1 as a holding fixture if desired Flip the body flange key 2 over and anchor it on the valve body To gain access to the port seal key 12 upper seal key
45. the valve plug into the body flange key 2 install the cage key 11 plus upper seal key 15 and cage O ring key 17 into the body flange and then install the seat ring key 13 plus port seal key 12 into the cage Apply a thin coating of lubricant to seals for protection during assembly Use the valve body as a holding fixture during this step and insert a wrench handle or similar tool into the seat ring slots for leverage when tightening the seat ring and cage 8 10 11 Remove the upside down body flange key 2 if it was anchored on the body key 1 Coat the cage seating surfaces of the valve body web and the body flange seating surfaces of the valve body neck with a good grade of general purpose lubricant Personal injury equipment damage or leakage due to escaping fluid may result if regulator bolts are not tightened to proper load Always tighten bolts in an alternating pattern Install the body flange key 2 on the body key 1 and secure it evenly using the stud bolts key 3 and nuts key 29 Tighten to the torque value specified in Table 6 Make sure that the lower indicator fitting and stem O rings keys 21 and 7 and O ring retainer key 6 are installed in the lower indicator fitting key 5 Install the spring seat key 28 and attach it with the E ring key 23 to the slotted end of the indicator stem key 10 Install the valve spring key 9 Being careful not to cut the stem O ring key
46. ther could result in a hazardous condition J p condition may result in equipment damage Installation operation and maintenance or personal injury Call a qualified procedures performed by unqualified personnel when installing operating and personnel may result in improper maintaining the Type MR105 regulator A Ss EMERSON D103246xX012 Type MR105 Specifications The Specifications section on this page provides the ratings and other specifications for the Type MR105 The following information is stamped on the nameplate fastened on the regulator at the factory type body size maximum inlet outlet and differential pressure maximum pressure above setpoint maximum casing pressure maximum temperature spring range cage type and trim and diaphragm material Body Sizes and End Connection Styles See Table 1 Shutoff Classification Per ANSI FCI 70 3 2004 Class VI Soft Seat Maximum Inlet Outlet and Emergency Casing Pressures See Table 3 Outlet Pressure Ranges 5 to 300 psig 0 34 to 20 7 bar see Table 2 Maximum Setpoint Low Pressure Actuator 43 psig 3 0 bar High Pressure Actuator Nitrile NBR and Ethylene Propylene EPDM Diaphragm 300 psig 20 7 bar Fluorocarbon FKM Diaphragm 150 psig 10 3 bar Maximum Pressure Over Setpoint to Avoid Internal Parts Damage Low Pressure Actuator 20 psig 1 4 bar High Pressure Actuator 120 psig 8 3 bar Maximum Differential Pressures See Table 4 Temperatu
47. trol spring key 68 and upper spring seat key 69 and on top of the spring case spacer key 66 or upper casing welding assembly key 87 Align the holes in the spring case with the holes in the spring case spacer or upper casing welding assembly while ensuring the vent assembly key 26 is aligned with valve body inlet Lubricate cap screws key 67 and use them to secure the spring case key 70 to the spring case spacer key 66 or upper casing welding assembly key 87 Tighten the cap screws to a final torque of 25 to 28 ft lbs 34 to 38 Nem 26 Personal injury equipment damage or leakage due to escaping fluid may result if adjusting screw key 73 and jam nut key 72 are not installed properly Also main spring key 68 may go solid resulting in the regulator not locking up if jam nut is not installed and adjusting screw is adjusted completely down Lubricate the adjusting screw key 73 and thread on the jam nut key 72 If pressure loaded actuator is used install the sealing washer key 71 Lubricate the adjusting screw and place it into the spring case key 70 Thread the adjusting screw using a hand wrench not an impact gun until it touches the upper spring seat key 69 Set the regulator to the desired outlet pressure according to the procedure in Adjustment section For High Pressure Actuator Diaphragm Replacement 5 10 Remove the cap screws key 57 and hex nuts key 58 connecting the diaphragm
48. ts of NACE MR0175 2003 and MRO103 for non pressure loaded applications only It is assumed that this part is not exposed to the sour gas 20 Type MR105 52 64 66 65 63 56 58 L1 62 51 L1 S 61 L1 SEE DETAIL V SEE DETAIL X SEE DETAIL Z L1 40 L1 L1 17 SEE DETAIL Y Ds Onr gt 3 TYPE MR105 WITH LOW PRESSURE ACTUATOR ASSEMBLY GE38435 APPLY LUBRICANT OR SEALANT L1 MULTI PURPOSE PTFE LUBRICANT L3 ANTI SEIZE COMPOUND S MULTI PURPOSE PTFE THREAD SEALANT NOTE KEYS 64 AND 71 ARE USED ONLY FOR PRESSURE LOADED ACTUATORS Lubricants and sealants must be selected such that they meet the temperature requirements Figure 6 Type MR105 Direct Operated Pressure Reducing Regulator Assemblies continued 21 Type MR105 58 j L1 56 7 L1 57 j L1 62 S 51 53 NOTE KEYS 64 AND 71 ARE USED ONLY FOR PRESSURE LOADED ACTUATORS TYPE MR105 WITH HIGH PRESSURE ACTUATOR ASSEMBLY GE38435 DETAIL V APPLY LUBRICANT OR SEALANT L1 MULTI PURPOSE PTFE LUBRICANT S MULTI PURPOSE PTFE THREAD SEALANT 1 Lubricants and sealants must be selected such that they meet the temperature requirements 22 DETAIL X Figure 6 Type MR105 Direct Operated P
49. ver is lower 225 15 5 4 100 250 17 2 Table 5 Wide Open Flow and IEC Sizing Coefficient LINEAR CAGE Body Size Wide Open Flow Coeficient IEC Sizing Coefficient Line Size Equals Body Size NPS DN Cc Cy C Kn F Xr Fa 1 25 463 13 7 34 0 0 81 0 90 0 73 0 36 2 50 761 22 5 33 8 0 75 0 87 0 72 0 24 3 80 997 30 5 32 7 0 78 0 88 0 68 0 22 4 100 934 27 5 34 0 0 77 0 88 0 75 0 18 QUICK OPENING CAGE Body Size Wide Open Flow Coefficient IEC Sizing Coefficient y Line Size Equals Body Size NPS DN C Cy C Km Fl Xi Fa 1 25 597 17 5 34 1 0 81 0 90 0 73 0 43 2 50 1740 48 2 36 1 0 81 0 90 0 82 0 34 3 80 3540 103 1 34 4 0 76 0 87 0 75 0 32 4 100 4300 135 9 31 6 0 72 0 85 0 65 0 30 REDUCED PORT QUICK OPENING CAGE Body Size Wide Open Flow Coefficient IEC Sizing Coefficient Line Size Equals Body Size NPS DN C Cy C Kn F Xr Fa 2 50 1570 43 8 35 9 0 81 0 90 0 72 0 36 Installation Location e Install the regulator so that any gas discharge through the vent or vent assembly is over 3 ft 0 9 m e The installed regulator should be adequately away from any building opening protected from vehicular traffic and damage from other external sources e Periodically check all vent openings to be sure that they are not plugged e Install the regulator with the vent pointed vertically down see Figures 2 and 3 If the vent cannot be installed in a vertically down position N CAUTION the regulator must be installed under a separate a protective cover Installing the
50. vitation it is recommended that the customer follow the capacity sizing guidelines found in Bulletin 71 1 MR105 Introduction Scope of the Manual This instruction manual provides installation adjustment maintenance and parts ordering information for Type MR105 direct operated pressure reducing regulators Description The Type MR105 direct operated pressure reducing regulators are high capacity multi purpose regulators They are designed to handle pressures up to 400 psig Table 1 Body Size and End Connection Style Type MR105 END CONNECTION STYLE BODY MATERIAL Body Size NPS 1 and 2 DN 25 and 50 NPS 3 and 4 DN 80 and 100 Cast Iron NPT CL125 FF or CL250 RF CL125 FF or CL250 RF WCC Steel NPT CL150 RF CL300 RF CL600 RF CL150 RF CL300 RF CL600 RF or PN 16 25 40 RF or PN 16 RF CF8M Stainless Steel NPT CL1 i ta era aad RF CL150 ben HR ae RF CF3M Stainless Steel NPT CL1 2 EE ar cara RF CL150 Remap eats RF 1 Optional NACE construction available 2 Constructions meet API 614 requirements Table 2 Outlet Pressure Range NPS 1 AND 2 DN 25 AND 50 BODY SIZE Maximum Pressure Over Actuator Type Spring Range i rari Sp ing Color Spring Wire Diameter Spring Free Length ere ded oe psig bar In mm In mm psig bar 5 to 12 0 34 to 0 83 GE42909x012 White 0 437 11 1 Low Pressure 10 to 24 0 69 to 1 6 GE42910X012 Silver 0 500 12 7 14 to 32 0 96 to 2 2 GE42911X012

Emerson MR105 Instruction Manual

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