Emerson CS200 Instruction Manual
Contents
1. Technologies Inc Regulator constructions include internal pressure registration Technologies instructions Types CS200IR CS205IR and CS206IR contain an internal relief valve Types CS200IN and CS205IN do not contain internal relief Specifications CS200 Series The Specifications section lists the specifications for the regulators The following information is stamped on the regulator at the factory type number date of manufacture spring range orifice size maximum inlet pressure maximum operating outlet pressure and outlet pressure which may damage regulator parts Available Configurations Type CS200IN Basic construction with Internal pressure registration and Non Relieving diaphragm assembly Type CS200IR Basic construction with Internal pressure registration and Relieving diaphragm assembly Type CS205IN Type CS200IN with Secondary Seat Protection Type CS205IR Type CS200IR with Secondary Seat Protection Type CS206IR Type CS200IR with Secondary Seat Protection with bleed to indicate that the Secondary Seat is providing lockup See also Table 1 Body Sizes End Connection Style and Pressure Rating See Table 4 Outlet Pressure Ranges See Table 3 Spring Case Vent Connection 1 NPT Orifice Sizes See Table 2 Flow and IEC Sizing Coefficients See Table 2 Maximum Inlet Pressures Emergency 175 psig 12 1 bar Operating See Table 2 Maximum Outlet Pressures Casing 25 psig 1 7 bar To2. 05 bar higher than the outlet pressure setting of the regulator CS200 Series 1 onto PROTECT VENT PIPE lt WITH RAIN CAP XQ CS200 SERIES REGULATOR TYPE 289H RELIEF VALVE REGULATOR VENT POINTED DOWNWARD Figure 4 CS200 Series Regulator Installed with Vent Pointed Downward and with a Type 289H Relief Valve for High Capacity Relief Vent Line Installation The CS200 Series regulators have a 1 NPT screened vent opening in the spring case If 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 have the largest practical diameter Vent piping on regulators with internal relief must be large enough to vent all relief valve discharge to atmosphere without excessive backpressure and resulting excessive pressure in the regulator Periodically check all vent openings to be sure that they are not plugged or obstructed Outlet pressure ranges are shown on Table 3 Outlet pressure greater than 5 psi 0 34 bar above the setpoint may damage internal parts such as the diaphragm head and valve disk The maximum emergency casing outlet pressure is 25 psig 1 7 bar Startup Pressure gauges must always be used to monitor downstream pressure during startup Procedures used in putting this regulator into operation must be planned accordingly i
3. 4811 8100 For further information visit www emersonprocess com regulators Part Number Key Description Part Number 11A8741X052 53 Post Pin Stainless steel GE29761X012 54 Roller Pin Brass GE27060X012 GE38132X012 55 Diaphragm Assembly Steel Nitrile NBR GE31248X012 GG01395xX012 56 Retaining Ring Pusher Post Pin Steel GE33772X012 57 Slotted Spring Pin Zinc plated steel GE33668X012 GE30198X012 58 E Ring Copper GE32969X012 GE30195xX012 60 Closing Cap Aluminum GE29244xX012 GE30188X012 62 O ring Nitrile NBR T10275X0012 GE30189X012 65 Adjusting Screw Aluminum GE27828X012 GE30224X012 70 Body Gray cast iron GE30196X012 3 4 NPT GE30991X012 GE30225xX012 3 4 x 1 NPT GE30992X012 GE30190X012 3 4 X 1 1 4 NPT GE17958xX012 GE30194X012 1 NPT GE30993X012 GE27296X012 1x 1 1 4 NPT GE18079X012 1 1 4 NPT GE18080X012 GE27327X012 71 Bolt Zinc plated steel 2 required GE32061X012 GE28947X012 72 Pipe Plug Hex Socket Steel 1C333528992 GE27297X012 95 Grommet Nitrile NBR GE35358X012 GE30887X012 96 Slip Disk Stainless steel GG05787X012 100 Lockwire Stainless steel T14088T0012 ERAA00875A0 ERAA00876A0 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 Singapore Tel 65 6770 8337 Europe Bologna 40013 Italy Tel 39 051 419 0611 Chartres 28008 France Tel 33 2 37 33 47 0
4. Avoid Internal Parts Damage 5 psi 0 34 bar differential above outlet pressure setting Operating 2 psig 138 mbar Temperature Capabilities 20 to 150 F 29 to 66 C Pressure Registration Internal Approximate Weight 8 pounds 3 6 kg 1 The pressure temperature limits in this Instruction Manual and any applicable standard or code limitation should not be exceeded 2 Product has passed Regulator Technologies testing for lockup relief start to discharge and reseal down to 40 Table 3 Outlet Pressure Ranges SPRING RANGE SPRING WIRE DIAMETER SPRING FREE LENGTH incheswc mbar ART NUMBER COLORGODE inch mm mnn m GE30198X012 Red GE30195X012 Purple GE30188X012 Gold GE30189X012 Blue GE30224X012 Unpainted GE30196X012 Green GE30225X012 Orange GE30190X012 Black 3 5to5 9 to 12 4 5 to 6 5 11 to 16 6 to 8 15 to 20 7 5 to 11 19 to 27 10 to 14 25 to 35 12 to 19 30 to 47 18 to 1 psig 45 to 69 1 to 2 psig 69 to 138 Table 4 Body Sizes Material End Connection and Pressure Rating SERES BODY SIZE NPS END END CONNECTION PRESSURE RATING a RATING BODY MATERIAL MATERIAL 3 4 3 4 x 1 a Gray Cast Iron 1x 1 1 4 1 1 4 CS200 Series RELIEF VALVE STEM DISK VALVE STEM ERAA03487 i LEVER ORIFICE WIRE SEAL OPTIONAL CONTROL SPRING T 5 Q E RELIEF VALVE SPRING TUI 7 aL Z A RELIEF SEAT PRESSURE RETAINING PLUG D
5. Ga She SN TORQUE L1 15 TO 30 INCH POUNDS 1 7 TO 3 4 Nem JO y C LLTI AH 4 CA AA A I a Y lba a UY Se TORQUE YY ene eee CIN 35 TO 45 FOOT POUNDS Ye os jj N 1 47 TO 61 Nem APA ees e CLL Zp fa TIESTO GY NS L2 27 Ya GY 36 11 24 48 uz 43 Go Go e G TORQUE L2 15 TO 30 INCH POUNDS S 1 7 TO 3 4 Nem MAIN VALVE TORQUE C N i 10 TO 13 FOOT POUNDS 14 TO 18 Nem TOP VIEW SIDE VIEW ERAA03487 _ APPLY LUBRICANT L SEALANT S L1 ANTI SEIZE LUBRICANT L2 SILICON GREASE S THREAD SEALANT 1 Lubricants and sealants must be selected such that they meet the temperature requirements Figure 5 CS200 Series Pressure Reducing Regulator Assemblies TORQUE 15 TO 30 INCH POUNDS 1 7 TO 3 4 Nem TORQUE 63 TO 90 INCH POUNDS 7 1 TO 10 Nem CS200 Series amp amp amp I THO OD Le 7 UIG GF O G 2 awe a A CLL GL N aa N OS NSS 51 A r 53 INN 57 OC JL Hy LID D p dj HIAR A A R A RA lel ee LA I S J i S AAT NN Tr el J PrN F NON RELIEF NOTE DIRECTION OF RETAINER RING INSTALLATION ERAA03487 C APPLY ADHESIVE A L A ADHESIVE n srry ssrds TORQUE 35 TO 45 FOOT POUNDS 47 T0 61 Nem TORQUE 12
6. Lower Casing Aluminum Lever Steel Stem Aluminum Lever Pin Stainless steel Lever Screw Steel 2 required Cap Screw Steel 8 required Nut Steel 8 required Union Ring Aluminum Snap Ring Stainless steel O ring Nitrile NBR Stem Guide Aluminum O ring Nitrile NBR Pipe Plug Steel 3 4 NPT Orifice Assembly Type CS200 without Secondary Seat protection Aluminum 1 8 inch 3 1 mm 3 16 inch 4 7 mm 1 4 inch 6 4 mm 3 8 inch 9 5 mm 1 2 inch 13 mm Type CS205 with Secondary Seat protection Brass Nitrile NBR 1 8 inch 3 1 mm 3 16 inch 4 7 mm 1 4 inch 6 4 mm 5 16 inch 7 9 mm Type CS206 with Secondary Seat protection and bleed Brass Nitrile NBR 1 8 inch 3 1 mm 3 16 inch 4 7 mm 1 4 inch 6 4 mm 5 16 inch 7 9 mm Recommended spare part Part Number RCS200X0012 GE24555X012 T1121338982 T1120925072 GE27061X012 GE27063X012 GE35010X012 GE27024X012 GE29724X012 GE24289X012 GE27194X012 GE27439X012 T14397T0012 GE34243X012 GE32059X012 GE32060X012 GE26591X012 T1120637022 1K594906562 GE31962X012 GE45216X012 GE34199X012 1A936709012 00991209012 0B042009012 0B042209012 1A928809012 GE31991X012 GE32008X012 GE32010X012 GE32012X012 GE32007X012 GE32009X012 GE32011X012 GE32014X012 CS200 Series rm e Ge 3 L2 s 4 VSL Xx LL rZ i I a R ay 22 UZZZ
7. Open valves downstream of the regulator 2 Slowly close the upstream shutoff valve 3 Inlet pressure should be automatically released downstream as the regulator opens in response to the lowered pressure on the diaphragm 4 Close outlet shutoff valve Maintenance To avoid personal injury or equipment damage do not attempt any maintenance or disassembly without first isolating the regulator from system pressure and relieving all internal pressure as described in Shutdown Regulators that have been disassembled for repair must be tested for proper operation before being returned to service Only parts manufactured by Regulator Technologies should be used for repairing Fisher regulators Restart gas utilization equipment according to normal startup procedures Due to normal wear or damage that may occur from external sources this regulator should be inspected and maintained periodically The frequency of inspection and replacement of parts depends upon the severity of service conditions or the requirement of local state and federal rules and regulations Maintenance on Types CS205 and CS206 Secondary Seat Protection The Type CS205 regulator does not have any means to alert when the Secondary Seat operates at lockup Therefore it is recommended that a periodic lockup test be done on the regulator to determine if the lockup pressure has elevated to the values in Table 5 If so the regulator primary disk and
8. PRESSURE RETAINING PLUG DO NOT REMOVE ERAA03487 GE INLET PRESSURE GSS OUTLET PRESSURE E ATMOSPHERIC PRESSURE SECONDARY SEAT DETAILED VIEW PRIMARY ORIFICE ELASTOMERIC SECONDARY METALLIC SECONDARY PRIMARY DISK SEATING SURFACE SEATING SURFACE ORIFICE SEATING SURFACE NORMAL OPERATION NORMAL LOCKUP DEBRIS OBSTRUCTING SECONDARY SEAT TYPE CS206 SECONDARY SEATING LOCKUP LOCKUP SECONDARY SEAT WITH SURFACE METAL TO METAL BLEED M1131 Figure 3 CS200 Series with Secondary Seat Protection Type CS206 Secondary Seat Protection Internal relief acting in conjunction with the Type CS206 with Bleed Secondary Seat Assembly The Type CS206 provides small bleed to the downstream Types CS205 and CS206 Secondary Seat system as an indication that the Secondary Seat is Protection Limitations providing lockup In the event that the primary orifice and disk cannot provide lockup the secondary seating A caon surface will move into contact with a metal disk This A CAUTION metal to metal interface will allow a small amount of gas to bleed downstream thereby increasing outlet pressure until the Internal relief valve begins to discharge gas to the atmosphere The odor of this discharged gas provides an indication that the regulator is relying on the Secondary Seat for overpressure protection See Table 5 for the Downstream Pressure Build up of the Overpressure conditions can occur in the downstream piping when the Secondary Seat Protec
9. TO 17 FOOT POUNDS 16 T0 23 Nem SECONDARY SEAT STANDARD ORIFICE ERAA03487 C APPLY LUBRICANT L L1 ANTI SEIZE LUBRICANT L2 SILICON GREASE 1 Lubricants must be selected such that they meet the temperature requirements Figure 7 CS200 Series Orifice Assemblies CS200 Series Parts List continued Key Description 27 O ring Nitrile NBR 36 Disk Nitrile NBR Type C200 Types CS205 and CS206 38 Spring Stainless steel or Music wire 3 5 to 5 inches w c 9 to 12 mbar Red 4 5 to 6 5 inches w c 11 to 16 mbar Purple 6 to 8 inches w c 15 to 20 mbar Gold 7 5 to 11 inches w c 19 to 27 mbar Blue 10 to 14 inches w c 25 to 35 mbar Unpainted 12 to 19 inches w c 30 to 47 mbar Green 18 inches w c to 1 psig 45 to 69 mbar Orange 1 to 2 psig 69 to 138 mbar Black 41 Relief Spring Stainless steel 42 Upper Spring Retainer Aluminum 43 Spring Seat Zinc plated steel Non Relief Relief 44 Relief valve stem Aluminum 45 Diaphragm Screw retainer Zinc plated steel 51 Pusher Post Aluminum Non Relief Relief Recommended spare part 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
10. orifice should be replaced Types CS205IR and CS206IR have internal relief Internal relief operation on these units is an indication that the Secondary Seat Protection on the Type CS205IR may not be working and that the Type CS206 Secondary Seat may have closed Maintenance should address any potential causes for internal relief operation as well as other regulator malfunctions separate from the Secondary Seat Disassembly to Replace Diaphragm 1 Remove the closing cap key 60 Figure 5 Turn the adjusting screw key 65 counterclockwise to ease spring compression 2 Remove the adjusting screw and spring key 38 3 Remove hex nuts key 16 and cap screws key 15 Separate the upper spring case key 1 from the lower casing assembly key 9 Note vent orientation Note When disassembling a CS200 Series regulator lift the upper spring case straight up in order to avoid hitting the relief valve stem key 44 Figure 5 4 Slide the diaphragm assembly key 55 away from the body key 70 to unhook the pusher post key 51 from the lever key 10 Lift off the diaphragm head assembly key 55 5 For Types CS200IN and CS205IN Non relieving units unscrew the retainer screw key 45 Figure 6 using a 5 8 inch 16 mm wrench The screw retainer fastens the lower spring seat key 43 to the pusher post key 51 Unscrewing the screw retainer will separate the lower spring seat key 43 diaphragm and diaphragm assembly key
11. 0 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 distinctive swirl pattern cast into every actuator casing uniquely identifies the regulator as part of the Fisher brand Commercial Service Regulator family and assures you of the highest quality engineering performance and support traditionally associated with Fisher Tartarini and Francel regulators Visit www fishercommercialservice com to access interactive applications 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 an
12. 55 and pusher post key 51 For Type CS200IR CS205IR and CS206IR units with internal relief press down on the upper spring retainer key 42 Figure 6 using a 9 16 inch 14 mm box end wrench and remove the retaining ring key 58 Slide the upper spring retainer key 42 the relief spring key 41 the lower spring seat key 43 and the diaphragm assembly key 55 off of the relief valve stem key 44 6 Reassemble regulator in the reverse order of the above steps Disassembly to Replace Valve Disk and Orifice 1 Remove the bolts key 71 Figure 5 which hold the lower spring casing key 9 to the body key 70 Separate the lower spring casing from the body 2 Check the body O ring key 21 for wear and replace as necessary 3 Examine the valve disk key 36 Figure 5 for nicks cuts and other damage Remove the disk by pulling and replace it with a new part if necessary 4 a Ifthe seating edge of the Type CS200 orifice key 25 Figure 7 is nicked or rough remove the orifice from the body using a 7 8 inch 22 mm socket wrench b If equipped with a Type CS205 206 Secondary Seat orifice assembly inspect the primary seating surface as well as the secondary seating surface and sealing surface If nicks or other damage are present remove the orifice assembly from the body using a 7 8 inch 22 mm socket wrench Apply anti seize lubricant to the external threads of the new orifice and reassemble Note
13. If the orifice is being replaced with a different size change the nameplate to state the new size and maximum inlet pressure 5 Reassemble the regulator in reverse order of the above steps Regulator Reassembly 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 all O rings except when replacing key 19 as key 19 is a friction fit O ring for CS200 Series holding the stem guide into the lower casing Also apply an anti seize compound to the adjusting screw threads and other areas as needed Refer to Figures 5 through 7 Parts Ordering The type number orifice size spring range and date of manufacture are stamped on the nameplate Always provide this information in any correspondence with your local Sales Office regarding replacement parts or technical assistance When ordering replacement parts reference the key number of each needed part as found in the following parts list Separate kit containing all recommended spare parts is available Parts List Key OCMOnN OAR ON Description Spare Parts Repair Parts Kit includes keys 21 36 55 and 62 Type CS200 Upper Case Aluminum Vent Screen 18 8 Stainless steel Retaining Ring Zinc plated steel Stabilizer Guide Stainless steel Stabilizer 1 inch 25 mm Spring Stainless steel Retainer Plate Zinc plated steel Stabilizer Screw Zinc plated steel 3 required
14. Instruction Manual i o a CS200 Series November 2013 CS200 Series Commercial Industrial Pressure Reducing Regulators P1188 Figure 1 Typical CS200 Pressure Reducing Regulator Table of Contents Introduction Introduction 0 000 cee eee ee eee ae 1 Scope of the Manual SPECIICANONS 2 teraccavsliversscclteiee ay Gs 3 This manual provides instructions for the installation i ec eere eed a maintenance and parts ordering information for PP ee ae Oa e tree ee ae ae ie Types CS200IN CS200IR CS205IN CS205IR and Sta ss cae eu see oe took e a see eee aa ere aces 7 CS206IR service regulators Adjustment 0 00 cee ees 8 SHUTCOWM e s ispre ee wes eee eee ee Ow oe HS 8 Maintenance 0 000 eee ee es 8 Pats O fdering 2 s 2 lt cade08e lt e0cnebeeebebecateads 9 Parts LiSt o c ao au Ge abo w on arb ura ee ee eres Ge ee a 9 4 EMERSON Process Management D103119X012 CS200 Series Table 1 Available Configurations TYPE NUMBER OPTIONS LT _ j OVERPRESSURE PROTECTION MODULE a Without Overpressure Protection Module ee ee ee With Secondary Seat Protection With Secondary Seat Protection with bleed to indicate Secondary Seat is functioning PRESSURE REGISTRATION Internal Registration RELIEF Non Relief Internal Relief MAXIMUM OPERATING INLET MAXIMUM FLOW ORIFICE SIZE PRESSURE TO EMERGENCY INLET COEFFICIENTS IEC SIZING COEFFICIENTS TYPE PROVIDE OP
15. O NOT REMOVE PUSHER POST Figure 2 Type CS200 R Pressure Reducing Regulator with Internal Relief Operational Schematic Principle of Operation Type CS200 Base Regulator Operation Refer to Figure 2 When downstream demand decreases the pressure under the diaphragm increases This pressure overcomes the regulator setting which is set by the control spring Through the action of the pusher post assembly lever and valve stem the valve disk moves closer to the orifice and reduces gas flow If demand downstream increases pressure under the diaphragm decreases Spring force pushes the pusher post assembly downward and the valve disk moves away from the orifice CS200 Series with Internal Relief Refer to Figure 2 The option for Internal Relief is offered on the Types CS200 and CS205 and is standard on the Type CS206 Internal relief is used to help minimize overpressure Any outlet pressure above the start to discharge point of the non adjustable relief spring moves the diaphragm off of the relief seat allowing excess pressure to discharge through the vent Typical start to discharge values are 7 inches w c to 1 5 psi 17 to 103 mbar above the outlet pressure setting depending on control spring and if the Secondary Seat option is present Refer to Table 5 for Type CS205 lockup values and Type CS206 downstream build up values Refer to the CS200 Series Bulletin for additional information regarding Internal Relief start to d
16. TIMUM PRESSURE WIDE OPEN PERFORMANCE inch mm psig bar psig bar o e ee 1832 115 s5 e oua o o 087 ans 48 15 s6 a os 3 oss 082 cs2990 14 64 1235 s6 u is 2 oss os 395 6o a o f ss s os os a2 a4 3 o9 072 0 89 oo e 32 125 ee a os 2 o5 082 s25 3m6 48 125 s6 a 4 x7 o9 os ii i I ee 1 Inlet pressures based on lockup performance For maximum inlet pressure values with optimum regulating performance refer to the applicable Flow Capacity Table on CS200 Series Bulletin 2 To comply with ANSI B109 4 relief requirements the maximum inlet pressure may need to be reduced If the regulator vents gas or a leak Z WARNING develops in the system service to the unit may be required Failure Failure to follow these instructions or to correct trouble could result in a to properly install and maintain this hazardous condition equipment could result in an explosion and or fire causing property damage and personal injury or death Call a gas service person to service the unit Only a qualified person shall install or service the regulator Fisher regulators must be installed operated and maintained in accordance with federal state and local codes Description rules and regulations and Emerson The CS200 Series regulators are typically installed Process Management Regulator on industrial and commercial applications All
17. f the downstream system is pressurized by another regulator or by a manual bypass CS200 Series If the downstream system is not pressurized by another regulator or manual bypass valve use the following procedure to startup the regulator 1 Check to see that all appliances are turned off Slowly open the upstream shutoff valve Check inlet and outlet pressure for correct values Check all connections for leaks Turn on utilization equipment and recheck the pressures O A ON Adjustment Note The range of allowable pressure setting is stamped on the nameplate If the required setting is not within this range substitute the correct spring as shown in Table 3 If the spring is changed change the nameplate to indicate the new pressure range A pressure gauge must always be used to monitor downstream pressure while adjustments are being made 1 Remove the closing cap key 60 Figure 5 2 To increase the outlet setting turn the adjusting screw key 65 Figure 5 clockwise To decrease the outlet setting turn the adjusting screw counterclockwise 3 Replace the closing cap Shutdown Installation arrangements may vary but in any installation it is important that the valves be opened or closed slowly and that the outlet pressure be vented before venting inlet pressure to prevent damage caused by reverse pressurization of the regulator The steps below apply to the typical installation as indicated 1
18. ischarge both with and without Secondary Seat Protection If emergency conditions should exist that prevent normal operation of the regulator or internal relief valve the relief valve stem acts as a secondary travel stop contacting the underside of the closing cap and stopping the upward travel of the relief seat When the diaphragm continues to rise as downstream pressure builds the diaphragm lifts off of the relief seat to provide relief operation Type CS205 with Secondary Seat Protection Refer to Figure 3 The Type CS205 provides Secondary Seat Protection As downstream demand decreases and downstream pressure rises to the regulator pressure lockup value the regulator will lock up If however damage has occurred to the primary disk to the primary orifice s seating surface or debris has become lodged between the primary disk and primary orifice the outlet pressure will continue to rise This additional pressure causes the primary disk to apply additional force to the orifice seating surface which causes the Secondary seating surface to move toward the Secondary disk or sealing surface If downstream demand decreases to zero then the secondary seating surface will contact the sealing surface to provide lockup Refer to Table 5 for approximate lockup values provided by the Secondary Seat CS200 Series CONTROL SPRING RELIEF VALVE STEM VALVE STEM RELIEF VALVE SPRING SECONDARY SEAT DETAIL RELIEF SEAT
19. ndoors some other method of overpressure protection be escaping gas may accumulate and be an added in the downstream system as discussed in the explosion hazard In these cases the vent Overpressure Protection section and should be piped away from the regulator to the outdoors A periodic downstream lock up pressure test is done to determine if the Secondary Seat Protection option is serving as the primary seat for shutoff thereby A N CAUTION indicating that the primary orifice seat or the disk are no longer providing shutoff This determination The CS200 Series regulators have an is made by checking if the regulator lock up value is outlet pressure rating lower than their elevated to or near the values indicated in Table 5 inlet pressure rating If actual inlet under the heading Type CS205 pressure can exceed the outlet pressure rating outlet overpressure protection is Installation and necessary However overpressuring any i portion of the regulators beyond the limits Overpressure Protection in the Specifications section may cause leakage damage to regulator parts or A N WARNING personal injury due to bursting of pressure containing parts Personal injury or system damage may result if this regulator is installed without appropriate overpressure protection where service conditions could exceed the limits given on the regulator nameplate Some type of external overpressure protection should be provided if inlet pres
20. or with the vent pointed vertically down see Figure 4 If the vent cannot be installed in a vertically down position the regulator must be installed under a separate protective cover Installing the regulator with the vent down allows condensation to drain minimizes the entry of water or other debris from entering the vent and minimizes vent blockage from freezing precipitation Do not install the regulator in a location where there can be excessive water accumulation or ice formation such as directly beneath a downspout gutter or roof line of building Even a protective hood may not provide adequate protection in these instances Install the Regulator so that any gas discharge through the vent or vent assembly is over 3 feet 0 91 m away from any building opening Regulators Subjected to Heavy Snow Conditions Some installations such as in areas with heavy snowfall may require a hood or enclosure to protect the regulator from snow load and vent freeze over Installation with External Overpressure Protection lf the regulator is used in conjunction with a Type 289H relief valve it should be installed as shown in Figure 4 The outside end of the vent line should be protected with a rainproof assembly The Type 289H is typically set 10 inches w c 25 mbar higher than the outlet pressure setting of the regulator up to 30 inches w c 75 mbar outlet pressure For pressure greater than this set the Type 289H 0 75 psi 0
21. sure will be high enough to damage downstream equipment Common methods of external overpressure protection include Regulator installations should relief valves monitoring regulators shutoff be adequately protected from devices and series regulation hysical damage pay g If the regulator is exposed to an All vents should be kept open to permit overpressure condition it should be free flow of gas to the atmosphere Protect inspected for any damage that may openings against entrance of rain snow have occurred Regulator operation insects or any other foreign material below these limits does not preclude that may plug the vent or vent line On the possibility of damage from external sources or from debris in the pipeline General Installation Instructions 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 copper 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 Installation Location e The installed regulator should be adequately protected from vehicular traffic and damage from other external sources Install the regulat
22. tion is installed The Secondary Seat Protection serves only as a backup to the primary seat for lockup Refer to the sections on Overpressure Protection and Maintenance CS200 Series Table 5 Secondary Seat Outlet Pressures TYPE CS205 TYPE CS206 CONTROL SPRING SPRING RANGE SETPOINT Secondary Seat Shut off Downstream Pressure above Setpoint Build up C coor Farnum monwe mor werwe mbar eh we mbar hehwe mear con ooa swe wom 7 s 2 ove w sen ww n a ss 5 vrais oeoo row ams ss tao or orange cevozan01 0100 s000 ime oo re w rose o pack eooo 10208 018 200 we o 2 oeo 20 1 Shutoff with primary orifice seating surface disabled 2 Shutoff and build up per ANSI B109 4 at 125 psig 8 6 bar inlet pressure Secondary Seat Protection does not provide additional outdoor installations point the spring case overpressure protection in the event the secondary seat vent downward to allow condensate to or disk is damaged by debris or contamination in the drain see Figure 4 This minimizes the pipeline or from conditions that would cause the regulator possibility of freezing and of water or other to go wide open When selecting Secondary Seat foreign materials entering the vent and Protection it is recommended that interfering with proper operation e Internal Relief is also selected or the addition of Under enclosed conditions or i
23. y product Responsibility for proper selection use and maintenance of any Emerson Process Management Regulator Technologies Inc product remains solely with the purchaser Emerson Process Management Regulator Technologies Inc 2008 2013 All Rights Reserved F EMERSON
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