Emerson 627 Series Commercial/Industrial Regulators Installation Instructions
Contents
1. 1750 69 0 1000 6 4 1 4 103 1500 69 0 1000 a eal 9 5 3 8 69 0 1000 69 0 1000 13 1 2 51 7 750 51 7 750 1 For inlet pressure in excess of 69 0 bar 1000 psig refer to the maximum body and disk pressure ratings in the Specifications section 2 For pressure settings under 0 69 bar 10 psig inlet pressure should be limited to approximately 6 90 bar 100 psig so the setpoint adjustment can be obtained 3 The unbalance forces change from the wide open monitor mode to an active regulator mode such that the Type 627M or 627MH should have a 9 5 mm 3 8 inch or larger orifice Shaded areas indicate that Fluorocarbon FKM or Nylon PA disk material is not available Clean out all pipelines before installation of the regulator and check to be sure the regulator has not been damaged or has not collected foreign material during shipping For threaded NPT bodies apply pipe compound to the male pipe threads For flanged bodies use suitable line gaskets and approved piping and bolting practices Install the regulator in any position desired unless otherwise specified but be sure flow through the body is in the direction indicated by the arrow on the body Note It is important that the regulator be installed so that the vent hole in the spring case is unobstructed at all times For outdoor installations the regulator should be located away from vehicular traffic and positioned so that water i2. 3 8 20 7 300 20 7 300 20 7 300 12 7 1 2 13 8 200 13 8 200 13 8 200 1 0 to 2 8 bar 2 4 3 32 138 2000 69 0 1000 20 7 300 150 40 psig 3 2 1 8 103 1500 69 0 1000 20 7 300 psig 4 8 3 16 69 0 1000 69 0 1000 20 7 300 6 4 1 4 51 7 750 51 7 750 20 7 300 as aa 9 5 3 8 300 20 7 20 7 300 20 7 300 a 13 1 2 200 13 8 13 8 200 20 7 300 2 4 3 32 138 2000 69 0 1000 20 7 300 eo eee a 3 2 1 8 121 1750 69 0 1000 20 7 300 psig 4 8 3 16 69 0 1000 69 0 1000 20 7 300 6 4 1 4 51 7 750 51 7 750 20 7 300 ea as 9 5 3 8 20 7 300 20 7 300 20 7 300 13 1 2 13 8 200 13 8 200 20 7 300 2 4 3 32 138 2000 69 0 1000 20 7 300 fo a 3 2 1 8 69 0 1000 69 0 1000 20 7 300 psig 4 8 3 16 34 5 500 34 5 500 20 7 300 6 4 1 4 20 7 300 20 7 300 20 7 300 a dl 9 5 3 8 13 8 200 13 8 200 13 8 200 13 1 2 13 8 200 13 8 200 13 8 200 Ae oa aa 2 4 3 32 69 0 1000 20 7 300 gone psig 3 2 1 8 69 0 1000 20 7 300 sRSOTTRORD 4 8 3 16 51 7 750 20 7 300 Gan 6 4 1 4 34 5 500 20 7 300 2 4 3 32 138 2000 69 0 1000 ioe 26a pais 3 2 1 8 138 2000 69 0 1000 4 8 3 16 121 1750 69 0 1000 6 4 1 4 103 1500 69 0 1000 Sam ae ve 9 5 3 8 69 0 1000 20 7 300 and 13 1 2 51 7 750 13 8 200 2 34 3 32 138 2000 69 0 1000 627MH 16 5 to 34 5 bar 240 to 500 psig 3 2 1 8 138 2000 69 0 1000 4 8 3 16 121
3. SPRING PART ORIFICE SIZE NUMBER AND COLOR mm inches Nylon PA Disk Nitrile NBR Disk Fluorocarbon FKM Disk 2 4 3 32 138 2000 69 0 1000 20 7 300 ose a 3 2 1 8 69 0 1000 69 0 1000 20 7 300 psig 4 8 3 16 51 7 750 51 7 750 20 7 300 6 4 1 4 34 5 500 34 5 500 20 7 300 ee ae 9 5 3 8 20 7 300 20 7 300 20 7 300 13 1 2 17 2 250 17 2 250 20 7 300 Rie bar 2 4 3 32 138 2000 69 0 1000 20 7 300 150 40 psig 3 2 1 8 103 1500 69 0 1000 20 7 300 psig 4 8 3 16 69 0 1000 69 0 1000 20 7 300 6 4 1 4 51 7 750 51 7 750 20 7 300 eae oe 9 5 3 8 34 5 500 34 5 500 20 7 300 a 13 1 2 20 7 300 20 7 300 20 7 300 2 4 3 32 138 2000 69 0 1000 20 7 300 3 ce es ace ce 3 2 1 8 138 2000 69 0 1000 20 7 300 psig 4 8 3 16 121 1750 69 0 1000 20 7 300 6 4 1 4 103 1500 69 0 1000 20 7 300 EE ies 9 5 3 8 69 0 1000 69 0 1000 20 7 300 13 1 2 51 7 750 51 7 750 20 7 300 2 4 3 32 138 2000 69 0 1000 20 7 300 ae rs ae 3 2 1 8 138 2000 69 0 1000 20 7 300 psig 4 8 3 16 138 2000 69 0 1000 20 7 300 6 4 1 4 121 1750 69 0 1000 20 7 300 oe 9 5 3 8 86 2 1250 69 0 1000 20 7 300 13 1 2 51 7 750 51 7 750 20 7 300 2 4 3 32 138 2000 69 0 1000 20 7 300 rage nar 3 2 1 8 69 0 1000 69 0 1000 20 7 300 psig 4 8 3 16 51 7 750 51 7 750 20 7 300 6 4 1 4 34 5 500 34 5 500 20 7 300 a Caes 9 5
4. closing cap or tighten the locknut to maintain the desired setting Taking Out of Service Shutdown To avoid personal injury resulting from sudden release of pressure isolate the regulator from all pressure before attempting disassembly DIAPHRAGM TYPES 627R TYPES 627H MAXIMUM PRESSURE DESCRIPTION CASING BAR peal AND 627LR BAR Gale BAR ey AND 627HM MATERIAL BAR psig BAR psig Maximum pressure to spring and diaphragm Die cast aluminum 17 2 250 17 2 250 Not Available Not Available Not Available casings to prevent leak to atmosphere other Ductile iron 17 2 250 17 2 250 17 2 250 Not Available Not Available than relief action internal parts damage may occur Steel 17 2 250 17 2 250 17 2 250 17 2 250 55 2 800 Maximum pressure to spring and diaphragm Die cast aluminum 25 9 375 25 9 375 Not Available Not Available Not Available casings to prevent burst of casings during Ductile iron 32 1 465 32 1 465 32 1 465 32 1 465 Not Available abnormal operation leak to atmosphere and internal parts damage may occur Steel 103 1500 103 1500 103 1500 103 1500 103 1500 Maximum diaphragm casing overpressure above setpoint to prevent damage to All materials 60 8 3 120 4 1 60 8 3 120 8 3 120 internal parts 1 If the spring case is pressurized a metal adjusting screw cap is required Contact your local Sales Office for details 30B3089 D Figure 1
5. 190611 Gallardon France 28320 Middle East and Africa Tel 33 0 2 37 33 47 00 Dubai United Arab Emirates Tel 971 4811 8100 For further information visit www emersonprocess com regulators 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 Inc 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 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 product remains solely with the purchaser EMERSON Process rr n it Emerson Process Management Regulator Technologies Inc 2002 2009 All Rights Reserved
6. Installation Guide English February 2009 Introduction This installation guide provides instructions for installation startup and adjustment To receive a copy of the instruction manual contact your local Sales Office or view a copy at www emersonprocess com regulators For further information refer to 627 Series Instruction Manual form 5252 D101328X012 P E D Categories This product may be used as a safety accessory with pressure equipment in the following Pressure Equipment Directive 97 23 EC categories It may also be used outside of the Pressure Equipment Directive using sound engineering practice SEP per table below PRODUCT SIZE CATEGORIES FLUID TYPE DN 20 to 25 NPS 3 4 to 1 SEP f DN 50 NPS 2 I Il Specifications Available Constructions Type 627 Direct operated pressure reducing regulator equipped with a pitot tube for greater regulated capacities Type 627R Type 627 with internal relief and with an open throat Type 627LR Type 627R with light rate relief spring Type 627M Type 627 with a stem seal between the body outlet pressure and diaphragm case Pressure is measured under the diaphragm through the 1 4 NPT downstream control line connection Type 627MR Type 627M with internal relief Type 627H Type 627 with a diaphragm limiter to deliver a higher outlet pressure Type 627HM Type 627H with a stem seal between the body outlet pressure and diaphragm case Pressure is m
7. Type 627R Regulator Components 45 30B6433 C i 43 Figure 2 Type 627M Regulator Components 30B5374 B RSE SAK IZA Figure 3 Type 627H Regulator Components 627 Series Parts List 36 34 32 29 Key Description 18 1 Body 2 Orifice 3 Cap Screw not shown 33 Sr 4 Diaphragm Case O ring for Type 627 627H or 627R only 5 Diaphragm Case 30 5 6 Boost Body not for Type 627M 627HM or 627MR 7 Stabilizer for Types 627 627H 627R and 627LR only 31 8 8 Stem Guide for Types 627 627H 627R and 627LR only m nee for all Orifice Sizes 24 4 11 Stem O ring a 12 Stem Backup Ring 7 13 Hair Pin Clip Z 14 Drive Pin 15 Lever as Z 6 16 Lever Retainer 17 Lever Pin 46 j 1 18 Lever Cap Screw 19 Pusher Post 19 m 2 21 Diaphragm Connector for Type 627R or 627MR only 22 Diaphragm Connector Nut for Type 627 or 627MR only 15 9 23 Diaphragm 24 Diaphragm Head 25 Relief Spring Seat for Type 627R or 627MR only 14 17 16 11 12 10 26 Guide Retainer for Type 627R or 627MR only 27 Relief Spring for Type 627R or 627MR only saad Aaa a O ring For Type 627R 627LR or 627MR only APPLY LUBRICANT pring Case 30 oe Vent Assembly ene 31 Lower Spri
8. ce and other foreign materials cannot enter the spring case through the vent Avoid placing the regulator beneath eaves or downspouts and be sure it is above the probable snow level Overpressure Protection The recommended pressure limitations are stamped on the regulator nameplate Some type of overpressure protection is needed if the actual inlet pressure exceeds the maximum operating outlet pressure rating Overpressure protection should also be provided if the regulator inlet pressure is greater than the safe working pressure of the downstream equipment Regulator operation below the maximum pressure limitations does not preclude the possibility of damage from external sources or debris in the line The regulator should be inspected for damage after any overpressure condition Table 2 Maximum Spring and Diaphragm Casing Pressure 627 Series Startup The regulator is factory set at approximately the midpoint of the spring range or the pressure requested so an initial adjustment may be required to give the desired results With proper installation completed and relief valves properly adjusted slowly open the upstream and downstream shutoff valves Adjustment To change the outlet pressure remove the closing cap or loosen the locknut and turn the adjusting screw clockwise to increase outlet pressure or counterclockwise to decrease pressure Monitor the outlet pressure with a test gauge during the adjustment Replace the
9. easured under the diaphragm through two 1 4 NPT downstream control line connections Body Sizes and End Connection Styles BODY END CONNECTION CONSTRUCTION SIZES STYLES AVAILABLE NPS 3 4 NPT NPS 1 NPT CL150 RF CL300 RF CL600 RF and Long Body All NPS 2 NPT CL150 RF CL300 RF CL600 RF and Long Body Proof Test Pressure All Pressure Retaining Components have been proof tested per Directive 97 23 EC Annex 1 Section 7 4 627 Series Maximum Cold Working Pressure of Body Inlet Body Rating NPT Steel 138 bar 2000 psig Flanged Steel 103 bar 1500 psig Ductile Iron 69 0 bar 1000 psig Maximum Valve Disk Inlet Pressure Rating Nylon PA Disk 138 bar 2000 psig Nitrile NBR Disk 69 0 bar 1000 psig Fluorocarbon FKM Disk 20 7 bar 300 psig Maximum Operating Inlet and Outlet Pressure Ranges See Table 1 Maximum Spring and Diaphragm Casing Pressure See Table 2 Maximum Body Outlet Pressure Types 627M 627MR and 627HM Only NPT Steel 138 bar 2000 psig Flanged Steel 103 bar 1500 psig Ductile Iron 69 0 bar 1000 psig Temperature Capabilities 29 to 82 C 20 to 180 F Installation Only qualified personnel should install or service a regulator Regulators should be installed operated and maintained in accordance with international and applicable codes and regulations and manufacturer s instructions If the regulator vents fluid or a leak devel
10. ng Seat Figure 4 Type 627 Regulator Assembly 32 Control Spring 33 Upper Spring Seat Key Description 34 Locknut 35 Adjusting Screw 46 Diaphragm Head Cap Screw 36 Adjusting Screw Cap 47 Relief Seal Retainer for Type 627R or 627MR only 37 Spring Case Cap Screw 48 Guide Retainer O ring for Type 627R 627LR or 627MR only 43 Blocked Throat for Type 627M 627HM or 627MR only 49 Relief Indicator for Type 627R or 627MR only 44 Blocked Throat O ring For Type 627M 627HM or 627MR only 50 Diaphragm Limiter for Types 627H and 627HM only 45 Blocked Throat Backup Ring for Type 627M 627HM or 51 Diaphragm Limiter O ring for Types 627H and 627HM only 627MR only 52 Pusher Post O ring for Types 627H and 627HM only Industrial Regulators Natural Gas Technologies TESCOM Emerson Process Management Emerson Process Management Emerson Process Management Regulator Technologies Inc Regulator Technologies Inc Tescom Corporation USA Headquarters USA Headquarters USA Headquarters McKinney Texas 75069 1872 USA McKinney Texas 75069 1872 USA Elk River Minnesota 55330 2445 USA Tel 1 800 558 5853 Tel 1 800 558 5853 Tel 1 763 241 3238 Outside U S 1 972 548 3574 Outside U S 1 972 548 3574 Europe Asia Pacific Asia Pacific Selmsdorf Germany 23923 Shanghai China 201206 Singapore Singapore 128461 Tel 49 0 38823 31 0 Tel 86 21 2892 9000 Tel 65 6777 8211 Europe Europe Bologna Italy 40013 Bologna Italy 40013 Tel 39 051 4190611 Tel 39 051 4
11. ops in the system it indicates that service is required Failure to take the regulator out of service immediately may create a hazardous condition Personal injury equipment damage or leakage due to escaping fluid or bursting of pressure containing parts may result if this regulator is overpressured or is installed where service conditions could exceed the limits given in the Specifications section and Tables 1 and 2 or where conditions exceed any ratings of the adjacent piping or piping connections To avoid such injury or damage provide pressure relieving or pressure limiting devices as required by the appropriate code regulation or standard to prevent service conditions from exceeding limits Additionally physical damage to the regulator could result in personal injury and property damage due to escaping fluid To avoid such injury and damage install the regulator in a safe location 1 The pressure temperature limits in this Installation Guide and any applicable standard or code limitation should not be exceeded 2 Types 627 627H 627R and 627LR are limited by maximum diaphragm casing pressure 3 Temperature may decrease these maximum pressures www emersonprocess com regulators EMERSON D101328XUS2 627 Series Table 1 Maximum Inlet Pressures and Outlet Pressure Ranges OUTLET PRESSURE MAXIMUM INLET PRESSURE BAR psig TYPES RANGE
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