Emerson 627W Data Sheet
Contents
1. SETTING SRESSURE NPS 3 4 BODY NPS 1 DN 25 BODY NPS 2 DN 50 BODY RANGE AND CONTROL 1 4 Inch 1 2 Inch 1 4 Inch 1 2 Inch 1 4 Inch 1 2 Inch SPRING COLOR Psig bar Psig bar 6 3 mm 13 mm 6 3 mm 13 mm 6 3 mm 13 mm Orifice Orifice Orifice Orifice Orifice Orifice 200 13 8 10 37 9 25 94 6 11 41 6 25 94 6 12 454 25 94 6 250 172 14 530 31 117 14 53 0 31 117 14 53 0 31 117 455 300 20 7 17 64 3 33 125 17 64 3 33 125 17 64 3 33 125 400 27 6 20 75 7 34 129 21 79 5 34 129 21 79 5 34 129 500 34 5 23 87 1 Eie 24 90 8 24 90 8 2568 550 37 9 24 90 8 s 25 94 6 ee 25 94 6 140 to 250 psig 250 172 12 454 30 114 12 454 30 114 13 49 2 30 114 9 6 to 17 2 bar 300 207 15 56 8 36 136 16 60 0 36 136 16 60 0 36 136 10B3078X012 blue 200 13 8 400 276 19 71 9 44 167 20 757 44 167 20 75 7 44 167 500 34 5 22 83 3 EM 22 83 3 PN 23 87 1 zes 600 41 4 25 94 6 27 102 27 102 300 207 13 492 35 132 13 49 2 51 193 13 49 2 51 193 T ims 400 27 6 18 68 1 46 174 18 68 1 52 197 18 68 1 52 197 500 34 5 22 83 3 51 193 23 87 1 58 220 22 83 3 58 220 650 44 8 27 102 Jic 27 102 Els 27 102 300 20 7 10 37 9 25 946 10 37 9 25 946 102. SETTING SRESSURE NPS 3 4 BODY NPS 1 DN 25 BODY NPS 2 DN 50 BODY RANGE AND CONTROL 1 4 Inch 1 2 Inch 1 4 Inch 1 2 Inch 1 4 Inch 1 2 Inch SPRING COLOR Psig bar Psig bar 6 3 mm 13 mm 6 3 mm 13 mm 6 3 mm 13 mm Orifice Orifice Orifice Orifice Orifice Orifice 15 10 29 11 0 69 26 1 2 9 11 0 7 0 265 3 0 11 4 7 0 26 5 20 14 40 15 1 8 7 329 4 0 15 1 9 2 34 8 4 1 15 5 9 2 34 8 30 24 5 4 204 13 492 6 0 22 7 13 492 6 0 22 7 13 49 2 60 41 83 31 4 12 454 9 2 34 8 23 87 1 9 2 34 8 28 106 75 5 2 9 4 35 6 12 45 4 10 37 9 23 87 1 10 37 9 33 125 100 6 9 10 37 9 11 41 6 12 45 4 23 87 1 12 454 38 144 150 10 3 10 37 9 10 37 9 15 56 8 22 83 3 15 56 8 29 110 200 13 8 10 37 9 10 37 9 18 68 1 20 75 7 18 68 1 24 90 8 10 to 20 psig 300 207 10 37 9 mm 22 83 3 22 83 3 sg sa 0 69 to 1 4 bar 400 27 6 10 37 9 ee 25 94 6 25 94 6 10B3076X012 yellow 30 24 4 8 18 2 11 41 6 48 182 11 41 6 48 182 11 41 6 50 34 28 0 14 53 0 7 4 280 20 75 7 7 4 280 20 75 7 60 41 8 4 31 8 14 53 0 84 31 8 25 94 6 8 4 31 8 25 94 6 25 100 6 9 12 45 4 17 643 12 454 32 121 12 454 32 121 150 10 3 15 56 8 16 60 6 15 56 8 42 159 15 56
3. 200 13 8 400 27 6 4 8 to 10 3 bar 10B3079X012 red 1 2 13 350 24 1 550 37 9 200 13 8 400 27 6 140 to 250 psig 1 4 6 3 450 31 0 650 44 8 200 13 8 400 27 6 9 6 to 17 2 bar 10B3078X012 blue 1 2 13 450 31 0 500 34 5 200 13 8 250 17 2 627WH 240 to 500 psig 1 4 6 3 700 48 3 900 62 1 200 13 8 400 27 6 16 5 to 34 5 bar 10B3079X012 red 1 2 13 700 48 3 750 51 7 200 13 8 250 17 2 Table 2 Maximum Spring and Diaphragm Casing Pressure TYPE 627W TYPE 627WH MAXIMUM PRESSURE CONDITION DIAPHRAGM CASING P MATERIAL Psig bar Psig bar Maximum pressure to spring and diaphragm casings to Ductile Iron 250 17 2 blu prevent leak to atmosphere internal parts damage may occur Steel or Stainless Steel 250 17 2 800 55 2 Maximum pressure to spring and diaphragm casings to prevent Ductile Iron 465 32 1 sss esse burst of casings during abnormal operation leak to atmosphere and internal parts damage may occur Steel or Stainless Steel 1500 103 1500 103 Maximum diaphragm casing overpressure above setpoint to prevent All Materials 60 4 1 120 8 3 damage to internal parts 1 If the spring case is pressurized a metal adjusting screw cap is required Contact your local Sales Office for details Table 3 Elastomer Temperature Ranges TEMPERATURES MATERIAL DISK DIAPHRAGM spo T USAGE Disk Nitrile NBR 40 to 180 40 to 82 General Diaphragm Disk Fluorocarbon FKM 0 to 300 18 to 149 Mor acammended Tr Hor Diaphr
4. 27 3 44 1 27 3 68 35 to 80 psig 300 20 7 1 27 1 55 1 27 3 60 1 27 3 60 2 4 to 5 5 bar 400 27 6 1 10 1 10 1 27 3 16 1 27 3 55 10B3078X012 blue 100 6 9 1 27 3 17 1 27 3 48 1 27 3 72 150 10 3 1 27 2 78 1 27 3 78 1 27 3 97 80 5 5 200 13 8 1 27 2 31 1 27 3 66 1 27 3 78 300 20 7 1 27 1 74 1 27 3 64 1 27 3 64 400 27 6 1 27 1 15 1 27 3 56 1 27 3 56 150 10 3 1 12 2 32 1 15 2 85 1 15 2 85 10 680 200 13 8 1 14 2 10 1 18 2 90 1 18 2 90 300 20 7 1 27 1 67 1 27 2 97 1 27 3 07 500 34 5 1 27 1 23 1 27 2 82 1 27 3 58 70 to 150 psig 150 10 3 1 27 2 69 1 27 2 75 1 27 3 08 4 8 to 10 3 bar jos m 200 13 8 1 27 2 45 1 27 2 91 1 27 3 05 10B3079X012 red 300 20 7 1 27 2 04 1 27 2 98 1 27 3 14 500 34 5 1 27 1 64 1 27 3 68 1 27 3 68 200 13 8 1 27 2 81 1 27 3 18 1 27 3 47 150 10 3 300 20 7 1 27 2 54 1 27 3 22 1 27 3 22 500 34 5 1 27 1 90 1 27 3 76 1 27 3 76 1 C Coefficients based on a 20 proportional band Bulletin 71 1 627W Table 7 C Coefficients for the Type 627WH Regulator with or without a downstream control line OUTLET PRESSURE INLET DU EPBBESSURE SETTING PRESSURE NPS 3 4 BODY NPS 1 DN 25 BODY NPS 2 DN 50 BODY RANGE AND CONTROL 1 4 Inch 1 2 Inch 1 4 Inch 1 2 Inch 1 4 Inch 1 2 Inch sig ar sig ar 9 mm mm 9 mm mm 9 mm mm SPRING COLOR Psi b Psi b 6 3 13 6 3
5. 45 4 41 155 80 5 5 200 13 8 15 56 8 24 90 8 15 56 8 43 163 15 56 8 49 185 300 207 20 75 7 26 98 4 20 757 60 227 20 75 7 60 227 400 27 6 23 87 1 25 94 6 23 87 1 70 265 23 87 1 70 265 150 103 94 35 6 20 75 7 9 6 36 3 24 90 8 9 6 36 3 24 90 8 108 85 200 13 8 12 454 23 87 1 13 492 32 121 14 53 0 32 121 j 300 207 19 719 25 94 6 19 71 9 44 167 19 719 50 189 500 34 5 26 98 4 25 94 6 26 98 4 58 220 26 98 4 82 310 70 to 150 psig 150 10 3 9 0 34 1 19 71 9 9 0 34 1 19 719 9 0 34 1 22 83 3 4 8 to 10 3 bar i25 T 200 13 8 13 492 24 90 8 13 492 29 110 13 492 31 117 10B3079X012 red 300 207 18 68 1 29 110 18 68 1 42 159 18 68 1 49 185 500 34 5 25 94 6 33 125 25 94 6 74 280 25 94 6 74 280 200 138 11 416 25 94 6 11 41 6 28 106 11 41 6 31 117 150 10 3 300 20 7 17 64 3 34 129 17 64 3 43 163 17 64 3 43 163 500 34 5 25 94 6 37 140 25 94 6 73 276 25 94 6 73 276 1 Water flow capacities based on a 20 proportional band Bulletin 71 1 627W Table 5 Water Capacities for the Type 627WH Regulator in GPM l min with or without a downstream control line OUTLET PRESSURE INLET
6. INTERNAL DIAPHRAGM LIMITER REGISTRATION O RING DISK ASSEMBLY DIAPHRAGM PUSHER POST W6305 1 DETAILS OF TYPE 627WH WITH INTERNAL DOWNSTREAM REGISTRATION Figure 2 Types 627W and 627WH Construction Details Bulletin 71 1 627W 1 4 NPT CONTROL LINE CONNECTION W6483 2 DETAIL OF TYPE 627W WITH EXTERNAL DOWNSTREAM PRESSURE REGISTRATION 1 4 NPT CONTROL LINE CONNECTION DETAIL OF TYPE 627WH WITH EXTERNAL DOWNSTREAM PRESSURE REGISTRATION Bulletin 71 1 627W Table 1 Maximum Inlet Pressure Differential Pressure and Outlet Pressure Ranges OUTLET PRESSURE MAXIMUM INLET PRESSURE PSIG bar MAXIMUM DIFFERENTIAL PRESSURE TYPE ORIFICE SIZE PSID bar d RANGE CONTROL NUMBER INCHES mm SPRING COLOR Elastomer Disk Nylon PA Disk Elastomer Disk Nylon PA Disk 10 to 20 psig 1 4 6 3 220 15 2 420 29 0 200 13 8 400 27 6 0 69 to 1 4 bar 10B3076X012 yellow 1 2 13 220 15 2 250 17 2 200 13 8 250 17 2 15 to 40 psig 1 4 6 3 240 16 5 440 30 3 200 13 8 400 27 6 1 0 to 2 8 bar 10B3077X012 green 1 2 13 240 16 5 300 20 7 200 13 8 300 20 7 627W 35 to 80 psig 1 4 6 3 280 19 3 480 33 1 200 13 8 400 27 6 2 4 to 5 5 bar 10B3078X012 blue 1 2 13 280 19 3 480 33 1 200 13 8 400 27 6 70 to 150 psig 1 4 6 3 350 24 1 550 37 9
7. 13 6 3 13 Orifice Orifice Orifice Orifice Orifice Orifice 200 13 8 1 47 2 83 1 20 2 83 1 26 2 83 250 17 2 1 20 2 71 1 24 2 71 1 24 2 71 450 103 300 20 7 1 25 2 51 1 30 2 51 1 30 2 51 400 27 6 1 20 2 01 1 27 2 01 1 27 2 01 500 34 5 1 17 1 23 1 23 sss 550 37 9 1 17 sas 1 23 ee 1 23 26 140 to 250 psig 250 17 2 1 26 3 14 1 30 3 14 1 34 3 14 9 6 to 17 2 bar 300 20 7 1 30 3 05 1 34 3 05 1 34 3 05 10B3078X012 blue 200 13 8 400 27 6 1 25 2 80 1 27 2 80 1 27 2 80 500 34 5 1 22 2558 1 27 eee 1 27 600 41 4 1 22 sini 1 27 Ssst 1 27 mit 300 20 7 1 27 3 46 1 27 5 10 1 32 5 10 250 172 400 27 6 1 27 3 25 1 27 3 68 1 28 3 68 500 34 5 1 27 2 92 1 27 3 33 1 28 3 33 650 44 8 1 27 sime 1 27 1 28 ste 300 20 7 1 00 2 46 1 03 2 52 1 03 2 52 250 172 400 27 6 1 07 2 15 1 10 2 23 1 10 2 23 500 34 5 1 02 2 08 1 02 2 17 1 02 2 17 650 44 8 1 02 sees 1 02 due 1 02 sees 350 24 1 1 17 2 63 1 18 2 69 1 18 2 69 300 20 7 400 27 6 1 22 2 45 1 25 2 52 1 25 2 52 500 34 5 1 27 2 33 1 27 2 45 1 27 2 45 240 to 500 psig 700 48 3 1 27 eee 1 27 1 27 16 5 to 34 5 bar 10B3079X012 red 450 31 0 1 27 3 16 1 29 3 23 1 29 3 23 400 276 500 34 5 1 38 3 02 1 40 3 10 1 40 3 10 750 51 7 1 28 eel 1 28 oaks 1 28 bess 800 55 2 1 28 See 1 28 1 28 550 37 9 1 40 3 57 1 42 3 64 1 42 3 64 600 41 4 1 36 3 51 1 38 3 60 1 38 3 60 990 750 51 7 1 34 3 50 1 38 3 50 1 38 3 50 900 62 1 1 34 Se 1 38 1 38 wS 1 Coefficients based on a 20
8. 37 9 25 94 6 256 JZ 400 27 6 15 56 8 30 114 16 60 6 32 121 16 60 6 32 121 500 34 5 18 68 1 36 136 18 68 1 38 144 18 68 1 38 144 650 44 8 20 75 7 20 75 7 sen 20 75 7 350 24 1 12 45 4 28 106 12 45 4 28 106 12 45 4 28 106 alio T 400 276 15 568 31 117 16 60 6 32 121 16 60 0 32 121 500 34 5 20 75 7 38 144 20 75 7 39 148 20 75 7 39 148 240 to 500 psig 700 48 3 27 102 Susi 27 102 27 102 16 5 to 34 5 bar 1083079 012 red 450 31 0 14 53 0 36 136 15 56 8 33 125 15 56 8 33 125 m 500 34 5 18 68 1 41 155 19 71 9 42 159 19 71 9 42 159 750 517 27 102 ee 27 102 27 102 800 55 2 28 106 28 106 m 28 106 550 37 9 17 643 44 167 17 64 3 45 170 17 64 3 45 170 Eod diss 600 414 19 71 9 50 189 20 757 51 193 20 75 7 51 193 i 750 51 7 25 94 6 62 235 28 106 66 250 28 106 66 250 900 62 1 27 102 oe 28 106 si 28 106 1 Water flow capacities based a 20 proportional band Bulletin 71 1 627W Table 6 C Coefficients for the Type 627W Regulator with or without a downstream control line OUTLET PRESSURE INLET SETTING PRESSURE NPS 3 4 BODY NPS 1 DN 25 BODY NPS 2 DN 50 B
9. 8 42 159 200 13 8 15 56 8 16 60 6 17 64 3 43 163 17 64 3 43 163 300 207 14 53 0 21 79 5 dens 21 79 5 ze 400 27 6 12 454 25 94 6 25 94 6 60 41 6 amp 7 25 4 13 492 67 254 14 520 6 7 25 4 19 71 9 75 52 83 314 18 68 8 3 31 4 23 87 1 8 3 31 4 25 94 6 15 to 40 psig 100 6 9 11 410 19 71 9 11 41 6 28 106 11 41 6 31 117 1 0 to 2 8 bar 40 2 8 150 10 3 14 53 0 20 75 7 14 53 0 40 151 14 53 0 40 151 10B3077X012 green 200 13 8 16 60 6 19 71 9 16 60 6 49 185 16 60 6 49 185 300 207 18 68 1 19 71 9 21 79 5 45 170 21 79 5 45 170 400 276 20 757 2252 24 90 8 60 227 24 90 8 75 52 24 2 19 71 9 64 242 19 719 64 242 19 71 9 100 69 9 2 34 8 20 75 7 9 2 34 8 23 87 1 9 2 34 8 24 90 8 m 150 10 3 13 49 2 24 90 8 13 49 2 36 136 13 49 2 36 136 200 13 8 16 60 6 26 98 4 16 60 6 42 159 16 60 6 51 193 35 to 80 psig 300 20 7 20 75 7 25 94 6 20 75 7 60 227 20 75 7 60 227 2 4 to 5 5 bar 400 27 6 22 83 3 23 87 1 22 83 3 60 227 22 83 3 66 250 10B3078X012 blue 100 69 77 29 1 19 71 9 77 29 1 21 79 5 7 7 29 1 22 83 3 150 10 3 12 45 4 20 75 7 12 454 35 132 12
10. Bulletin 71 1 627W October 2009 Types 627W and 627WH Direct Operated Pressure Reducing Liquid Regulators Introduction The Types 627W and 627WH are direct operated pressure reducing regulators for liquid service They are available in NPS 3 4 1 and 2 DN 25 and 50 body sizes and in a wide range of materials of construction to match most service conditions A control line version is available in either the Type 627W or the Type 627WH a higher pressure range unit Both units are available with either internal or external downstream pressure registration A control line is required for the external pressure registration version The control line version has a blocked throat with an O ring stem seal and a 1 4 NPT control line connection in the diaphragm case Figure 2 The stem seal separates the body outlet pressure from the diaphragm case Features Application Versatility The regulators can be used in nearly all liquid applications where constant downstream pressure is required Easy to Maintain Trim parts can be replaced without removing the regulator body from the pipeline A two bolt connection between the body and diaphragm casing simplifies disassembly for maintenance Tamper Resistant An adjusting screw locknut and protective cap Figure 1 are standard on all Type 627W regulators to discourage tampering with the pressure setting Tight Shutoff Capability A flat faced disk of Nylon PA or various
11. Ductile iron standard for ductile iron body O WCC Steel standard for steel bodies O CF8M Stainless steel standard for stainless steel bodies Diaphragm Select One Nitrile NBR standard Fluorocarbon FKM water limited to 180 F 82 C C Ethylenepropylene EPDM O rings Select One O Nitrile NBR standard L Fluorocarbon FKM water limited to 180 F 82 C Ethylenepropylene EPDM L Perfluoroelastomer FFKM 11 Bulletin 71 1 627W Ordering Guide continued Valve Disk Select One PTFE Diaphragm Protector Optional LJ Nitrile NBR standard Yes LJ Nylon PA D Fluorocarbon FKM water limited to 180 F 82 C pressure Registration Select L Ethylenepropylene EPDM L Internal O External Spring Range Select One Type 627W TEE 40 to 20 psig 0 69 to 1 4 bar pe Specification Worksheet 15 to 40 psig 1 0 to 2 8 bar dd es 35 to 80 psig 2 4 to 5 5 bar ae Se 70 to 150 psig 4 8 to 10 3 bar Eid Type Type 627WH Specific Gravity L 140 to 250 psig 9 7 to 17 2 bar Temperature L 240 to 500 psig 16 5 to 34 5 bar Does the Application Require Overpressure Protection Yes No Pressure Maximum Inlet Pressure Minimum Inlet Pressure Differential Pressure Set Pr
12. ODY RANGE AND CONTROL 1 4 Inch 4 2 Inch 1 4 Inch 4 2 Inch 1 4 Inch 1 2 Inch SPRING COLOR Psig bar Psig bar 6 3 mm 13 mm 6 3 mm 13 mm 6 3 mm 13 mm Orifice Orifice Orifice Orifice Orifice Orifice 15 1 0 1 09 2 60 1 10 2 65 1 15 2 65 20 14 1 14 2 51 1 15 2 64 1 19 2 64 30 2 1 1 14 2 76 1 27 2 87 1 27 2 87 60 41 1 14 1 64 1 27 3 22 1 27 3 28 75 5 2 1 14 1 40 1 27 2 81 1 27 3 22 100 6 9 1 06 1 12 1 27 2 41 1 27 3 20 150 10 3 0 88 0 80 1 27 1 88 1 27 3 16 200 13 8 0 68 0 70 1 27 1 49 1 27 3 15 10 to 20 psig 300 20 7 0 52 ee 1 27 mE 1 27 ee 0 69 to 1 4 bar 400 27 6 0 50 Sees 1 27 E 1 27 zs 10B3076X012 yellow 30 2 1 1 27 2 96 1 27 3 03 1 27 3 03 50 3 4 1 27 2 33 1 27 3 48 1 27 3 48 60 41 1 27 2 06 1 27 3 50 1 27 3 50 100 6 9 1 27 1 81 1 27 3 54 1 27 3 54 150 10 3 1 27 1 28 1 27 3 59 1 27 3 59 200 13 8 1 13 1 02 1 27 3 14 1 27 3 16 300 20 7 0 84 2 2 1 27 1 27 400 27 6 0 59 1 27 e 1 27 60 4 1 1 27 2 49 1 27 2 56 1 27 3 48 75 5 2 1 27 2 76 1 27 3 48 1 27 3 89 15 to 40 psig 100 6 9 1 27 2 30 1 27 3 44 1 27 3 77 1 0 to 2 8 bar 40 2 8 150 103 1 27 1 82 1 27 3 66 1 27 3 66 10B3077X012 green 200 13 8 1 27 140 1 27 3 75 1 27 3 75 300 20 7 1 19 1 18 1 27 3 68 1 27 3 68 400 27 6 0 94 22 5 1 27 i ed 1 27 NEP 75 5 2 1 22 3 61 1 25 3 61 1 25 3 61 100 6 9 1 27 2 80 1 27 3 23 1 27 3 27 65 ia 150 10 3 1 27 2 37 1 27 3 56 127 3 59 200 13 8 1 27 2 11 1
13. agm Water Service Disk Ethylenepropylene EPDM 40 to 275 40 to 135 Not Recommended Tor Diaphragm Hydrocarbon Service Perfluoroelastomer FFKM Disk 0 to 400 18 to 204 Corrosive Nylon PA Disk 40 to 200 40 to 93 General PTFE Diaphragm Protector 40 to 400 40 to 204 Corrosive 1 Stainless steel body is rated to 40 F 40 C Steel and ductile iron bodies are rated to 20 F 29 C MONITOR TYPE 627W SET HIGHER THAN WORKING REGULATOR INLET 6623 TYPE 627W Figure 3 Monitor Regulator Schematic Capacity Information Tables 4 and 5 give regulating capacities in U S GPM of water multiply by 0 2271 to convert to m h of water To determine regulating capacities at pressure settings not given in Tables 4 and 5 or to determine wide open capacities for relief sizing at any inlet pressure use the Catalog 10 liquid sizing procedures in conjunction with the appropriate liquid sizing coefficients C and K see Tables 6 through 8 Convert to m h according to the preceding paragraph if necessary Liquid Sizing for Liquids Other than Water where Q Flow in GPM AP Value differential in psi C Valve sizing coefficient see Tables 6 and 7 G Specific Gravity Example NPS 1 DN 25 body 1 4 inch 6 3 mm orifice Glycol Specific Gravity 1 11 Pius 200 psig 13 8 bar P 100 psig 6 9 bar Capacity based on 20 Droop from setpoint P at full flow 100 psi setpoin
14. der the diaphragm through the 1 4 NPT downstream control line connection Figure 2 P S EMERSON Process Management D102088X012 Bulletin 71 1 627W Specifications Available Constructions Type 627W Direct operated pressure reducing liquid regulator Figure 2 Type 627WH Type 627W with a diaphragm limiter to deliver a higher outlet pressure Figure 2 Control Line Option Type 627W or 627WH 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 Figure 2 Body Sizes and End Connection Styles NPT 3 4 1 or 2 CL150 CL300 or CL600 RF Flanged NPS 1 or 2 DN 25 or 50 PN 16 25 or 40 NPS 1 or 2 DN 25 or 50 Maximum Operating Inlet And Outlet Pressure Ranges See Table 1 for pressures by orifice and spring range Body Pressure Shell Rating NPT Steel 2000 psig 138 bar NPT Ductile Iron 1000 psig 69 0 bar CL600 RF Flanged Steel 1500 psig 103 bar Maximum Spring And Diaphragm Casing Pressure See Table 2 Orifice Sizes 1 4 or 1 2 inch 6 3 or 13 mm Regulator Capacities Type 627W See Table 4 Type 627WH See Table 5 C Coefficients at 20 Proportional Band Droop Type 627W See Table 6 Type 627WH See Table 7 Flow and Sizing Coefficients See Table 8 Construction Materials Body Ductile iron stainless steel or steel Spring Case Stainless steel steel or ductile iro
15. elastomers provides excellent shutoff capability Installation Adaptability The diaphragm case and or regulator body can be rotated in any of four positions to allow regulator installation in locations with limited space The regulator may be installed in any position without affecting operation as long as the spring case vent is protected from the elements Versatility The Types 627W and 627WH are available in six spring ranges five disk materials and three different body materials The body is available in NPT ASME flanged and EN flanged constructions www fisherregulators com w6309 Figure 1 Type 627W Pressure Reducing Liquid Regulator Principle of Operation The Type 627W or 627WH refer to Figure 2 is a direct operated regulator On the internal registration version downstream pressure is registered internally through the body to the under side of the diaphragm When the downstream pressure is at or above the set pressure the disk is held against the seat and there is no flow through the regulator When demand increases downstream pressure drops slightly allowing the spring to extend moving the stem down and the disk away from the seat This allows flow through the body to the downstream system Types 627W and 627WH direct operated regulators are also available in a downstream control line version This version has a stem seal between the body outlet pressure and diaphragm case Pressure is registered un
16. essure Maximum Flow Regulators Quick Order Guide Accuracy Requirements FER Readily Available for Sh eee Less Than or Equal To AR Allow Additional Time for Shipment 5 LJ 10 0 20 40 Special Order Constructed from Non Stocked Parts Consult your local Sales Office for Availability Construction Material Requirements if known Availability of the product being ordered is determined by the component with the longest shipping time for the requested construction 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 4190611 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 fisherregulators com The Emerson log
17. i 103 49 171 251 25 4 06 1 94 6 50 6 75 9 45 1 00 5 00 2 50 7 12 10 44 1 69 3 4 1 25 103 49 165 171 240 25 2 50 127 63 181 265 43 2 50 5 00 2 50 6 88 7 12 10 12 1 69 127 63 175 181 257 43 TYPE 627W Flanged Body Dimesions Inches mm Body A B G Size CL150 CL300 CL600 PN CL150 CL300 CL600 PN D E CL150 CL300 CL600 PN NPS DN mr RF RF 16 25 40 RF RF RF 16 25 40 RF RF RF 16 25 40 1 25 7 25 7 75 8 25 7 80 3 62 3 88 4 12 3 90 6 75 2 12 2 44 2 44 2 27 184 197 210 198 92 99 105 99 172 7 62 54 62 62 58 2 1000 1050 11 25 10 31 5 00 5 25 5 62 5 16 712 194 3 00 3 25 3 25 3 25 254 267 286 262 127 133 143 131 181 76 82 82 82 Figure 4 Dimensions 10 Bulletin 71 1 627W TYPE 627WH Flanged Body Dimesions Inches mm Body A B G Size CL150 CL300 CL600 CL150 CL300 CL600 PN D E CL150 CL300 CL600 PN NPS DN RF RF RF RF RF RF 16 25 40 RF RF RF 16 25 40 1x85 7 25 7 75 8 25 3 62 3 88 4 12 3 81 6 75 2 12 2 44 2 44 2 27 25 184 197 210 92 99 105 97 172 7 94 54 62 62 58 oe 10 00 10 50 11 25 5 00 5 25 5 62 5 16 7 12 202 3 00 3 25 3 25 3 25 50 254 267 286 127 133 143 131 181 76 82 82 82 Figure 4 Dimensions conti
18. n Diaphragm Case Ductile iron stainless steel or steel O Rings Nitrile NBR Fluorocarbon FKM Ethylenepropylene EPDM or elastomeric Polytetrafluoroethylene PTFE Diaphragm Nitrile NBR Fluorocarbon FKM Ethylenepropylene EPDM or PTFE protector Lever Lever support Orifice and Stem guide Stainless steel Disk Holder with Valve Disk Stainless steel with Nylon PA Nitrile NBR Fluorocarbon FKM or Ethylenepropylene EPDM Temperature Capabilities See Table 3 Pressure Registration Type 627W or 627WH Internal Optional External through 1 4 NPT control line connection in the diaphragm case Spring Case Vent Connection 3 4 NPT with removable screened vent assembly Approximate Weight With Ductile Iron or Steel Casings 10 pounds 5 kg External Dimensions See Figure 4 Option Outlet Pressure Gauge Brass 0 to 30 psi 0 to 2 1 bar 0 to 60 psi 0 to 4 1 bar 0 to 160 psi 0 to 11 0 bar 0 to 300 psi 0 to 20 7 bar or 0 to 600 psi 0 to 41 4 bar 1 The pressure temperature limits in this Bulletin and any applicable standard or code limitation should not be exceeded Installation Type 627W regulators may be installed in any position as long as flow will be in the same direction as that indicated by the body arrow The pressure and temperature limitations in the Specifications table must be observed and the downstream equipment protected from being overpressured Liquid pressure control s
19. nued Ordering Information Application Construction When ordering specify Type of regulator Body size Body material and trim material Orifice diameter in inches mm Control spring range in psig bar Maximum temperature of process fluid Desired options NOaARWN gt Ordering Guide Type Select One 627W LI 627WH high pressure Body Size Select One 3 4 NPT NPS 1 DN 25 NPS 2 DN 50 Body Material and End Connection Style Select One Ductile Iron Type 627W Only NPT WCC Steel CF8M Stainless Steel NPT NPT CL150 RF CL150 RF CL300 RF CL300 RF CL600 RF CL600 RF PN 16 25 40 PN 16 25 40 Orifice Size Select One 1 1 4 inch 6 3 mm 1 1 2 inch 13 Refer to the Specifications section and to each referenced table specify the desired selection whenever there is a choice to be made The standard assembly position is shown in Figure 1 but an alternate assembly position may be factory ordered or can be accomplished in the field by unbolting the body or spring case using the instructions in the appropriate section of the instruction manual For dimensions refer to Figure 4 Spring Case Material Select One O Ductile iron standard for ductile iron body O WCC Steel standard for steel bodies CF8M Stainless steel standard for stainless steel bodies Diaphragm Case Material Select One O
20. o 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 Emerson Process Management Regulator Technologies Inc 1994 2009 All Rights Reserved Process Management
21. proportional band Table 8 Flow and Sizing Coefficients ORIFICE SIZE INCHES mm BODY SIZE Wide Open C For Relief Sizing Ka IEC Sizing Coefficients NPS DN X F5 F 1 4 6 3 1 2 13 1 4 6 3 1 2 13 1 4 6 3 1 2 13 1 4 6 3 1 2 13 1 4 6 3 1 2 13 3 4 1 63 4 87 0 592 0 962 1 25 1 70 5 29 0 76 0 74 0 543 0 815 0 50 0 50 0 87 0 86 2 50 1 66 5 01 0 620 1 01 Bulletin 71 1 627W 4 25 108 DUCTILE 4 25 108 IRON AND DUCTILE IRON 4 69 119 AND 4 69 119 STEEL OR SST STEEL OR SST n J E T 3 4 E VENT ASSEMBLY 3 4 NPT VENT CONNECTION RE 5 Y A 1 4 NPT IF AP SPECIFIED 5 19 132 Y DUCTILE IRON B A AND 5 40 137 be STEEL OR SST S B a 1 4 NPT CONTROL Y Y OPTIONAL 5 19 132 DUCTILE IRON AND 5 40 137 STEEL OR SST E lee u gt lt G gt lt D gt lt INCHES 11B1443 A NPT BODY amet FLANGED BODY mm TYPE 627W TYPE 627WH Dimesions Inches mm Body Sizes Dimesions Inches mm Body Sizes D NPS DN A B D E G NPSADN A B Ductile Steel E G 3 4 1 25 4 06 1 94 6 75 9 88 1 00 Iron or SST
22. t 20 psi Droop 80 psi AP 200 80 120 psi C 1 18 from Table 6 Bulletin 71 1 627W WORKING REGULATOR CONTROL LINE TYPE 627W 120 Q 1 18 1 11 12 2 GPM Glycol 46 2 l min Glycol Maximum Allowable Pressure Drop for Liquid Service Pressure drops in excess of allowable will result in choked flow and possible cavitation damage Choked flow is the formation of vapor bubbles in the liquid flowstream causing a crowding condition at the vena contracta which tends to limit flow through the regulator The vena contracta is the minimum cross sectional area of the flow stream occurring just downstream of the actual physical restriction Cavitation and flashing are physical changes in the process fluid The change is from the liquid state to the vapor state and results from the increase in fluid velocity at or just downstream of the greatest flow restriction normally the regulator orifice To determine the maximum allowable pressure drop for water AP K Pj where AP Valve differential in psi K Valve recovery coefficient from Table 8 P Valve inlet pressure in psia To determine maximum allowable pressure drop for fluids other than water see Fisher Catalog 10 Bulletin 71 1 627W Table 4 Water Capacities for the Type 627W Regulator GPM l min with or without a downstream control line OUTLET PRESSURE INLET
23. ystems should be designed using good engineering practices to eliminate quick starting or stopping of the flow stream which can produce water hammer The regulator should be installed so that the screened spring case vent is protected from anything that might clog it To obtain the published capacities the inlet and outlet piping should be the same as the regulator size Adownstream control line is field installed with the control line version of the Type 627W or the Type 627WH Fisher provides an instruction manual with every regulator shipped Refer to this for complete installation operation and maintenance instructions Included is a complete listing of individual parts and recommended spare parts Monitor Installation One regulator worker is set at the desired downstream pressure The other regulator monitor is set at a higher pressure and remains wide open If the worker regulator fails open the monitor regulator controls the downstream pressure at its setpoint System lock up pressure will be the monitor lock up pressure see Figure 3 ADJUSTING ra SCREW CAP SCREENED VENT ADJUSTING ASSEMBLY SCREW SPRING CASE 4 CONTROL SPRING INTERNAL REGISTRATION DISK ASSEMBLY PUSHER POST W6306 1 DETAILS OF TYPE 627W WITH INTERNAL DOWNSTREAM REGISTRATION ADJUSTING Va SCREW CAP ADJUSTING SCREW SCREENED VENT ASSEMBLY SPRING CASE CONTROL SPRING DIAPHRAGM HEAD
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