Emerson EZL Series Pressure Reducing Regulator for Low Pressure Applications Data Sheet
Contents
1. Outlet Pressure Ranges See Table 2 Proportional Band Ranges See Table 2 IEC Sizing Coefficients See Table 6 Flow Coefficients See Tables 7 8 9 and 10 Flow Capacities See Tables 11 and 12 Pressure Registration External Temperature Capabilities Nitrile NBR Version 20 to 180 F 29 to 82 Fluorocarbon FKM Version to 180 F 18 to 82 Options Pre piped Pilot Supply Travel Indicator Integral Type OS2 Slam shut Device Construction Materials Type EZL Main Valve Main Body Cast iron or WCC Steel Intermediate Flange Steel Actuator Casings Anodized Forged Aluminum Inlet and Outlet Plates Steel Diaphragm Nitrile NBR with PVC coating O ring Nitrile NBR or Fluorocarbon FKM Seat Nitrile NBR or Fluorocarbon FKM Type 6352 6353 6354L 6354M or 6354H Pilot Body Body Plug Spring Case and Closing Cap Aluminum standard or Stainless steel Control Spring Zinc plated steel Bellows Assembly Nickel and stainless steel Body Plug and Closing Cap Gaskets Composition Other Metal Trim Parts Steel Aluminum and or Stainless steel Diaphragm Type 6352 Nitrile NBR Type 6353 Nitrile NBR or Fluorocarbon FKM 6354 Series Neoprene CR or Fluorocarbon FKM O rings and Soft Parts Nitrile NBR standard or Fluorocarbon FKM high temperature 61 Series Pilots Body and Spring Case Cast iron Upper and Lower Diaphragm Type 61L Nitrile NBR or Fluorocarbon FKM Type 61HP Neoprene2. 50 0 55 0 46 0 38 100 0 710 0 61 0 660 0 60 80 0 685 0 55 0 676 0 55 3 80 0 89 50 0 788 0 42 0 706 0 43 30 0 770 0 34 0 660 0 35 100 0 672 0 72 0 714 0 70 358 80 0 784 0 57 0 600 0 61 50 0 779 0 45 0 736 0 45 30 0 770 0 36 0 871 0 35 Installation wide open flow capacities for relief sizing at any inlet The Type EZL may be installed in any position but is normally installed in a horizontal pipeline with the pilot or pilots above the body See Figure 10 for typical piping installation Capacity Information Note Type EZL flow capacities are laboratory verified therefore they may be sized for 100 flow using capacities as shown in Table 11 It is not necessary to reduce published capacities Tables 11 and 12 show the natural gas regulating capacities of the Type EZL regulator at selected inlet pressures and outlet pressure settings Flows are in thousands of SCFH at 60 F and 14 7 psia and in thousands of Nm h at 0 C and 1 01325 bar of 0 6 specific gravity natural gas To determine equivalent capacities for air propane butane or nitrogen multiply the capacity by the following appropriate conversion factor 0 775 for air 0 628 for propane 0 548 for butane or 0 789 for nitrogen For gases of other specific gravities multiply the given capacity by 0 775 and divide by the square root of the appropriate specific gravity Then if capacity is desired in normal cubic meters per hour at 0 C and 1 01325 bar multiply SCFH b
3. 1296 34 8 989 26 6 1789 48 0 1723 46 3 200 1603 43 0 1404 37 7 1062 28 5 2013 54 0 1966 52 8 1877 50 4 225 1732 46 5 1504 40 4 1130 30 3 2232 59 9 2131 57 2 2021 54 2 au 1853 49 7 1599 42 9 1194 32 1 2534 68 0 2467 66 2 2388 64 1 285 2270 60 9 2098 56 3 1852 49 7 14 Table 12 Capacities for Type EZLOSX Bulletin 71 2 EZL INLET PRESSURE OUTLET PRESSURE CAPACITIES IN THOUSANDS OF SCFH 3 OF 0 6 SPECIFIC GRAVITY NATURAL GAS USING 1 1 LINE SIZE TO BODY SIZE PIPING 21N DN 50 BODY 3 IN DN 80 BODY 41 DN 100 BODY psig bar psig bar SCFH Nm3 h SCFH Nm3 h SCFH Nm3 h 4 0 3 0 25 0 02 38 1 02 78 2 09 111 2 98 0 25 0 02 43 1 15 88 2 36 125 3 37 5 0 3 1 0 07 40 1 08 82 2 21 118 3 16 2 0 14 36 0 96 73 1 96 105 2 82 0 25 0 02 63 1 70 130 3 49 183 4 92 10 0 7 3 0 21 57 4 53 117 3 14 166 4 46 5 0 34 50 1 35 103 277 147 3 96 7 0 48 41 1 10 83 2 23 120 3 21 1 0 07 79 2 13 164 4 40 229 6 16 15 10 4 0 28 75 2 00 153 4 12 217 5 81 8 0 55 64 1 72 131 3 53 188 5 03 12 0 83 45 1 22 92 248 133 8 57 1 0 07 96 2 57 198 5 30 275 7 38 20 14 10 0 69 81 2 16 165 4 43 235 6 30 15 1 03 62 1 66 126 3 38 181 4 85 17 1 17 49 1 32 100 2 70 145 3 89 4 0 28 124 3 34 257 6 91 357 9 58 30 24 15 1 03 109 2 93 224 6 01 317 8 51 20 1 38 95 2 55 194 5 21 277 7 43 25 1 72 71 1 91 145 3 90 209 5 61 9 0 62 152 4 07 314 8 42 436 11 7 40 28 20 1 38 137 3
4. 4 1173 31 5 1664 44 7 175 12 1 495 13 3 1012 27 2 1447 38 8 200 13 8 371 10 0 755 20 3 1088 29 2 75 5 17 749 20 1 1553 41 7 2139 57 4 125 8 62 709 19 0 1460 39 2 2045 54 9 250 17 150 10 3 669 18 0 1375 36 9 1941 52 1 175 12 1 612 16 4 1253 33 6 1781 47 8 200 13 8 526 14 1 1075 28 8 1538 41 3 225 15 5 392 10 5 798 21 4 1149 30 9 75 5 17 851 22 9 1769 47 5 2427 65 2 125 8 62 823 22 1 1699 45 6 2366 63 5 285 20 150 10 3 794 21 3 1634 43 9 2293 61 5 175 12 1 752 20 2 1544 41 4 2180 58 5 200 13 8 693 18 6 1419 38 1 2017 54 1 225 15 5 609 16 4 1245 33 4 1781 47 8 15 Bulletin 71 2 EZL A D TYPE 61L TYPE 252 61LD OR FILTER 61E PILOT EH U i B GE11539 B Figure 10 EZL Dimensions Table 13 Type EZL Dimensions DIMENSION BODY SIZE B B CL125 FF CL250 RF CL125 FF CL250 RF G CL150 RF CL300 RF ere CL150 RF CL300 RF al 4 100 130 16 continued GE12413 B TYPE 252 FILTER TYPE 6352 6353 OR 6354 PILOT Bulletin 71 2 EZL po Be I Pm TI Se TYPE 161M OR 161EBM PILOT A Figure 10 Ty
5. CR or Fluorocarbon FKM Metal Trim Parts Steel Stainless steel Cast iron Aluminum Brass or Zinc Gasketing Neoprene CR Elastomer Seat and O ring Nitrile NBR or Fluorocarbon FKM Types 161M and 161EBM Pilots Body Stainless steel Spring Case Stainless steel Body Plug and Diaphragm Limiter Stainless steel Control Spring and Adjusting screw Plated steel Valve Plug Diaphragm and O ring Nitrile NBR or Fluorocarbon FKM Pilot and Actuator Vents Type Y602 vent assembly Type 252 Pilot Supply Filter Body Aluminum or Stainless steel Filter Cartridge Polyethylene O ring Nitrile NBR Drain Valve or Pipe Plug Stainless steel Type P590 Pilot Supply Filter Body and Filter Head Aluminum or Brass Filter Element Cellulose 1 The pressure temperature limits in this Bulletin and any applicable standard or code limitation should not be exceeded Main Diaphragm The main diaphragm is Nitrile NBR reinforced with fabric coated with a PVC which protects and extends the service life of the regulator in applications where liquids commonly found in natural gas pipe lines tend to shorten diaphragm life Common Body Platform The Type EZL uses the same standard Fisher E Body as the Types EZH and EZR pressure reducing regulators and Types EZ ES ED and ET pressure reducing control valves This will allow easy conversion from one product to another without the need to remove the E Body from the pipeline Bu
6. Series monitor pilots for working monitoring systems Type 6352 Outlet pressure range of 2 to 10 psig 0 14 to 0 69 bar The Type 6352 can be used as the pilot on single stage pressure reducing regulators or as the monitor pilot or as the working pilot in wide open monitor systems Type 6353 Outlet pressure range of to 125 psig 0 21 to 8 6 bar The Type 6353 can be used as the pilot on single stage pressure reducing regulators or as the monitor pilot or as the working pilot in wide open monitor systems Type 6354L Outlet pressure range of 85 to 200 psig 5 9 to 13 8 bar The Type 6354L can be used as the Bulletin 71 2 EZL A TYPE 6352 PILOT EZL MAIN VALVE pilot on single stage pressure reducing regulators or as the monitor pilot or as the working pilot in wide open monitor systems Type 6354M Outlet pressure range of 175 to 220 psig 12 1 to 15 2 bar The Type 6354M can be used as the pilot on single stage pressure reducing regulators or as the monitor pilot or as the working pilot in wide open monitor systems Type 6354H Qutlet pressure range of 200 to 290 psig 13 8 to 20 0 bar The Type 6354H can be used as the pilot on single stage pressure reducing regulators or as the monitor pilot or as the working pilot in wide open monitor systems Type 61L Low pressure pilot for outlet pressure range of 0 25 to 20 psig 0 02 to 1 38 bar The Type 61L can be used as the pilo
7. Wide Open Flow Coefficients 5 TRIM PERCENT LINE SIZE EQUALS BODY SIZE 2 1 LINE SIZE TO BODY SIZE PIPING In DN Cy Cy C Cy C C 100 2280 67 7 34 6 2120 66 5 32 8 5 80 1950 60 4 33 2 1840 58 3 32 6 50 1310 44 5 30 4 1290 41 5 32 0 30 881 27 4 33 1 898 29 4 31 5 100 4750 138 35 5 4520 138 33 9 5 T 80 4180 121 35 6 4020 121 34 1 50 2680 77 6 35 5 2490 74 2 34 6 30 1660 47 9 35 7 1620 50 6 33 0 100 6470 200 33 4 6340 200 32 7 i 460 80 4600 149 31 8 4500 145 32 1 50 2820 91 0 31 9 2780 88 9 32 2 30 1820 62 8 29 8 1840 67 8 27 9 13 Bulletin 71 2 EZL Table 11 Capacities for Type EZL CAPACITIES IN THOUSANDS OF SCFH 3 OF 0 6 SPECIFIC GRAVITY NATURAL INLET PRESSURE OUTLET PRESSURE GAS USING 1 1 LINE SIZE TO BODY SIZE PIPING 2 IN DN 50 BODY 3 IN DN 80 BODY 4 IN DN 100 BODY psig bar psig bar SCFH Nm3 h SCFH Nm3 h SCFH Nm3 h 4 116 3 10 130 3 50 5 122 3 28 109 2 93 191 5 12 173 4 64 10 153 4 11 124 3 34 239 6 41 225 6 05 195 5 23 138 3 71 287 7 70 244 6 55 188 5 04 150 4 04 372 10 0 330 8 86 30 288 713 217 5 83 454 12 2 414 11 1 40 326 8 76 243 6 53 538 14 4 519 13 9 50 466 42 5 361 9 68 267 7 16 622 16 7 600 16 1 60 551 14 8 462 12 4 288 7 73 745 20 0 624 16 8 5 516 13 9 318 8 53 953 25 6 100 856 23 0 732 19 6 1160 31 1 129 1051 28 2 1367 36 7 1316 35 3 199 1179 31 6 911 24 5 1574 42 3 1558 41 8 175 1465 39 3
8. 0 Brown T14239T0012 1470 100 27 Piston 43 5 3 00 Type BMS1 and a Type BMS2 1 Minimum suggested difference between slam shut set pressure and normal operating pressure of the system 2 Maximum difference between overpressure and underpressure when using one manometric device Type BMS1 with tripping hook For underpressure and overpressure points greater than this maximum number use a second manometric device Type BMS2 for underpressure protection Type 161M Outlet pressure range from 5 to 290 psig 0 34 to 20 0 bar A static sensing control line is isolated from pilot bleed exhaust The Type 161M is used in working monitor and other application that require a sensing line isolated from pilot bleed exhaust Type 161EBM Outlet pressure range from 5 to 290 psig 0 34 to 20 0 bar The pilot bleed exhaust is isolated from the sense control line Type 161EBM pilot is used in monitoring systems requiring an isolated pilot bleed exhaust For applications that have high pressure drops using a Type 161EBM monitor pilot will increase the accuracy of the regulator Slam Shut Device Principle of Operation The optional slam shut device can provide either overpressure OPSO or overpressure OPSO and underpressure UPSO protection by completely shutting off the flow of gas to the downstream system The slam shut has a mechanism box and a manometric device The manometric device is a spring and diaphragm actuat
9. 33 5 4580 142 32 3 50 80 3950 120 32 9 3930 120 32 7 50 2440 69 2 35 3 2420 72 5 33 4 30 1560 44 8 34 9 1570 487 32 3 100 6560 200 32 6 6440 192 33 6 j 80 4550 129 35 2 4500 146 30 8 50 2740 78 2 35 1 2750 80 7 34 1 30 1760 50 5 34 9 1760 474 37 1 Table 8 Type EZL Main Valve Wide Open Flow Coefficients TRIM PERCENT LINE SIZE EQUALS BODY SIZE 2 1 LINE SIZE TO BODY SIZE PIPING In DN Cy Cy C Cy Cy C 100 2360 65 0 37 3 2200 63 3 35 8 3 B 80 1970 58 4 34 8 1810 53 0 35 2 50 1330 42 6 32 1 1270 37 5 34 8 30 884 26 3 34 7 820 25 7 33 1 100 4940 148 34 5 4710 146 33 3 50 80 4060 123 33 9 4050 124 33 7 50 2510 71 3 36 3 2500 74 7 34 5 30 1610 46 1 35 9 1620 50 1 33 3 100 6760 208 33 5 6630 198 34 6 80 4690 133 36 3 4630 151 317 4 109 50 2830 80 5 35 2 2830 83 1 35 1 30 1820 52 0 36 0 1810 48 7 38 2 Table 9 Type EZLOSX Main Valve Regulating Flow Coefficients EO ge dn TRIM PERCENT LINE SIZE EQUALS BODY SIZE 2 1 LINE SIZE TO BODY SIZE PIPING In DN Cy Cy C Cy Cy C 100 2210 65 7 33 6 2058 64 6 31 9 T s0 80 1890 58 6 32 3 1790 56 6 31 6 50 1270 43 2 29 5 1250 40 3 31 1 30 855 26 6 32 1 872 28 5 30 6 100 4610 134 34 5 4390 134 32 9 A 80 4060 117 34 5 3900 118 33 1 50 2600 75 3 34 5 2420 72 1 33 6 30 1610 46 5 34 6 1580 492 32 1 100 6280 194 324 6160 194 31 7 4 80 4470 145 30 9 4380 141 31 1 50 2740 88 3 31 0 2700 86 3 31 2 30 1770 61 0 29 0 1780 65 8 27 1 Table 10 EZLOSX Main Valve
10. 68 281 7 55 398 10 7 30 2 07 107 2 88 219 5 88 314 8 42 35 2 41 80 2 14 162 4 36 234 6 28 13 0 90 180 4 82 371 9 97 516 13 8 20 1 38 172 4 63 355 9 54 498 13 4 50 3 4 30 2 07 154 4 13 315 8 47 448 12 0 40 2 76 119 3 18 242 6 49 347 9 32 45 3 10 87 2 35 178 4 77 257 6 89 17 RAT 208 5 57 429 11 5 596 16 0 25 1 72 200 5 36 411 11 0 576 15 5 60 4 1 35 2 41 182 4 89 374 10 0 529 14 2 45 3 10 152 4 08 311 8 34 444 11 9 55 3 79 94 2 53 192 5 16 277 7 45 24 1 65 249 6 68 514 13 8 715 19 2 75 52 50 3 45 206 5 53 422 11 3 600 16 1 60 4 14 170 4 56 346 9 30 497 13 3 70 4 83 104 2 79 212 5 68 306 8 21 35 2 41 318 8 54 657 17 7 913 24 5 100 6 9 60 4 14 283 7 61 582 15 6 823 22 1 75 5 17 241 6 47 493 13 2 704 18 9 125 86 46 3 17 387 10 4 801 21 5 1112 29 9 75 5 17 348 9 34 714 19 2 1009 27 1 57 3 93 456 12 3 944 25 3 1311 35 2 150 10 75 5 17 437 TI 7 901 24 2 1263 33 9 100 6 89 389 10 5 798 21 4 1133 30 4 125 8 62 299 8 04 611 16 4 877 23 5 68 4 69 526 14 1 1087 29 2 1510 40 5 75 5 17 519 13 9 1072 28 8 1495 40 1 175 12 100 6 89 486 13 0 999 26 8 1407 37 8 125 8 62 427 11 5 875 23 5 1246 33 4 150 10 3 325 8 72 662 17 8 952 25 6 75 5 17 598 16 1 1237 33 2 1715 46 0 100 6 89 573 15 4 1180 31 7 1654 44 4 200 14 125 8 62 531 14 2 1089 29 2 1540 41 4 150 10 3 462 12 4 946 25 4 1350 36 2 175 12 1 348 9 35 710 19 1 1022 27 4 75 517 674 18 1 1396 37 5 1929 51 8 100 6 89 655 17 6 1352 36 3 1885 50 6 225 16 125 8 62 623 16 7 1281 34 4 1802 48 4 150 10 3 572 15
11. ATE SHIPPING WEIGHT BODY SIZE NPT SWE CL150 RF CL300 RF CL600 RF SCH 40 Actuator Only In DN Lbs kg Lbs kg Lbs kg Lbs kg Lbs kg Lbs kg Lbs kg 2 50 90 41 90 41 97 44 107 49 111 50 90 41 55 25 3 80 172 78 182 83 186 84 80 36 4 100 201 91 225 102 270 122 85 39 18 Ordering Guide Body Size Select One 2 in DN 50 Body in DN 80 Body 4 in 100 Body Body Material and End Connection Style Select One WCC Steel 2 in only CL150 RF CL300 RF CL600 RF BWE SWE Cast Iron 2 in only CL125 FF CL250 RF Indicate Schedule 40 or 80 Main Valve Seat Material Select One Nitrile NBR standard Fluorocarbon FKM Outlet Pressure Range Select One Type 61L 0 25 to 2 psig 0 017 to 0 14 bar Red 1 to 5 psig 0 069 to 0 35 bar Yellow 2 to 10 psig 0 14 to 0 69 bar Blue 5 to 15 psig 0 35 to 1 03 bar Brown 10 to 20 psig 0 69 to 1 38 bar Green Type 61HP 15 to 45 psig 1 03 to 3 10 bar Yellow 35 to 100 psig 2 41 to 6 90 bar Blue 100 to 300 psig 6 90 to 20 7 bar Red 1 Type 6352 2 to 10 psig 0 14 to 0 69 bar Black Type 6353 3 to 40 psig 0 21 to 2 8 bar 35 to 125 psig 2 41 to 8 6 bar Red Type 6354L 6354M or 6354H 85
12. Bulletin 71 2 EZL February 2015 Type EZL Pressure Reducing Regulator for Low Differential Pressure Applications 290 psig 20 0 bar Inlet Outlet Rating Low Differential Bubble Tight Shutoff Absolutely No Atmospheric Bleed Full Usable Capacity Figure 1 Type EZL Pressure Reducing Regulator Precise Pressure Control Ease of Adjustment Common Body Platform FISHER www fisherregulators com Top Entry Design for Ease of Maintenance Resistant to Aromatics and Particle Erosion EMERSON Process Management D103092X012 Bulletin 71 2 EZL Specifications The Specifications section lists the specifications for Type EZL pressure reducing regulator Factory specifications for specific regulator constructions are stamped on the nameplate fastened to either the main actuator or the pilot spring case Body Sizes End Connection Styles and Pressure Ratings See Table 1 Maximum Inlet and Outlet Casing Pressures 290 psig 20 0 bar Maximum Emergency Design Casing Pressure 290 psig 20 0 bar Maximum Operating Differential Pressure 290 psid 20 0 bar d Minimum Differential 1 MINIMUM DIFFERENTIAL FOR TRIM PERCENT FULL STROKE psid bar d OF CAPACITY 2 in DN 50 in DN 80 4 in DN 100 100 2 9 0 204 2 9 0 204 2 9 0 204 80 2 9 0 204 3 1 0 214 3 210 221 50 3 0 0 207 3 210 221 3 7 10 255 30 3 4 0 234 3 5 0 241 3 9 0 269
13. ations such as district regulating stations and commercial industrial meter sets They provide low differential smooth reliable operation tight shutoff and long life The Type EZL pressure reducing regulator includes a pilot mounted on the Type EZL main valve for pressure reducing wide open monitoring or working monitoring applications The Type EZL is also available with a slam shut device for overpressure or overpressure and underpressure protection Principle of Operation Single Pilot Regulator Figures 2 and 3 The pilot operated Type EZL uses inlet pressure as the operating medium which is reduced through pilot operation to load the actuator diaphragm Outlet or downstream pressure opposes loading pressure in the actuator and also opposes the pilot control spring When outlet pressure drops below the setting of the pilot control spring pilot control spring force on the pilot diaphragm thus opens the pilot valve plug providing additional loading pressure to the actuator diaphragm This diaphragm loading pressure opens the main valve plug supplying the required flow to the downstream System Any excess loading pressure on the actuator diaphragm escapes downstream through the bleed restriction in the pilot When the gas demand in the downstream system has been satisfied the outlet pressure increases The increased pressure is transmitted through the downstream control line and acts on the pilot diaphragm This pressure exc
14. bble Tight Shutoff The Type EZL has a knife edged metal plug and a soft seat which provides bubble tight shutoff for use in applications where positive shutoff is required For example dead end systems Absolutely No Atmospheric Bleed The Type EZL eliminates nuisance and wasteful bleed gas to atmosphere by utilizing a pilot operated two path control system which bleeds 100 of the gas to the downstream system while the regulator is operating High Turn Down Capability The oversized diaphragm and unique piloting system of the Type EZL allows for a 100 1 turn down ratio which will provide superior pressure control in systems with large variations in downstream flow demand In Line Maintenance Top entry design reduces maintenance time Trim parts can be inspected cleaned and replaced without removing the body from pipeline Precise Pressure Control The Type EZL utilizes a wide range of pilots to provide stable and accurate downstream pressure control regardless of load changes or inlet pressure variations Full Usable Capacity Fisher regulators are laboratory tested 10096 of the published flow capacity can be used with confidence O ring Design The Type EZL uses elastomer O rings reducing maintenance and assembly time Bulletin 71 2 EZL Introduction Type EZL regulators are accurate pilot operated pressure balanced and soft seated regulators They are designed for use in natural gas distribution applic
15. e in 2 in DN 50 body sizes Table 2 Outlet Control Pressure Ranges OUTLET CONTROL APPROXIMATE PILOT TYPE PRESSURE RANGE SPRING SPRING PROPORTIONAL BAND COLOR PART NUMBER psig bar psig bar 6352 2 to 10 0 14 to 0 69 Black 14A9673X012 0 3 0 02 6353 3 to 40 0 21 to 2 8 Yellow 1E392527022 0 5 0 03 35 to 125 2 41 to 8 6 Red 1K748527202 1 0 0 07 6354L 1 85 to 200 5 9 to 13 8 Blue 1L346127142 3 0 0 2 6354M 2 175 to 220 12 1 to 15 2 Blue 1L346127142 3 0 0 2 6354H 2 200 to 300 13 8 to 20 7 4 Green 15A9258X012 5 0 0 3 0 25 t0 2 0 017 to 0 14 Red 1B886327022 0 15 0 01 1to5 0 069 to 0 35 Yellow 1857827022 0 2 0 01 61L 2to 10 0 14 to 0 69 Blue 1B886427022 0 3 0 02 5to 15 0 35 to 1 03 Brown 1857927142 0 5 0 03 10 to 20 0 69 to 1 38 Green 1B886527022 0 7 0 05 15 to 45 1 03 to 3 10 Yellow 1E392527022 1 0 0 07 61HP 35 to 100 2 41 to 6 90 Blue 1D387227022 1 5 0 1 100 to 300 6 90 to 20 744 Red 1D465127142 3 0 0 2 5 to 15 0 34 to 1 03 Yellow 1E392527022 0 5 0 03 161M 3 10 to 125 0 69 to 8 6 Red 1K748527202 2 0 0 14 120 to 300 8 3 to 20 74 Green 15A9258X012 5 0 0 3 5to 15 0 34 to 1 03 White 17B1260X012 0 3 0 02 10 to 40 0 69 to 2 8 Yellow 17B1262X012 0 5 0 03 161EBM 30 to 75 2 07 to 5 17 Black 17B1259X012 1 0 0 07 70 to 140 4 83 to 9 65 Green 17B1261X012 2 0 0 14 130 to 200 8 96 to 13 8 Blue 17B1263X012 4 0 0 28 200 to 350 13 8 to 24 14 Red 17B1264X012 5 0 0 3 1 Without diaphragm limiter 2 With diaphragm limiter 3 Monitoring pilot for working m
16. eeds the pilot spring setting and moves the diaphragm closing the orifice The loading pressure acting on the main diaphragm bleeds to the downstream system through a bleed restriction in the pilot Bulletin 71 2 EZL TYPE 6352 PILOT P590 SERIES PILOT SUPPLY FILTER E0944 INLET PRESSURE DI OUTLET PRESSURE ATMOSPHERIC PRESSURE LOADING PRESSURE TYPE EZL MAIN VALVE Figure 2 Principle of Operation for the Type EZL with Type 6352 Pilot and Type P590 Pilot Supply Filter P590 SERIES PILOT SUPPLY FILTER TYPE 61L PILOT E0959 EHE INLET PRESSURE EM OUTLET PRESSURE CC ATMOSPHERIC PRESSURE LOADING PRESSURE TYPE EZL MAIN VALVE Figure 3 Principle of Operation for the Type EZL with Type 61L Pilot and Type P590 Pilot Supply Filter Table 1 Main Valve Body Sizes End Connection Styles and Body Ratings Bulletin 71 2 EZL STRUCTURAL DESIGN RATING MAIN VALVE BODY SIZE MAIN VALVE BODY MATERIAL END CONNECTION STYLE E psig ar NPT 2 SWE 2 1500 103 CL150 RF 290 20 0 WCC Steel CL300 RF 750 51 7 2 3 and 4 in DN 50 80 and 100 CL600 RF or BWE 1500 103 NPT 2 400 27 6 Cast Iron CL125 FF 200 13 8 CL250 RF 500 34 5 1 Structural Design Rating is the rating for the main valve body The Type EZL complete assembly is limited to 290 psig 20 0 bar 2 Only availabl
17. en set pressures falls within the maximum range shown in Table 5 2 When using two manometric sensing devices Type BMS1 and Type BMS2 the Type 51 can only be used for high trip Table 5 Manometric Device Specifications MAXIMUM MAXIMUM DIFFERENCE SPRING RANGE SPRING SPRING SENSING MANOMETRIC MANOMETRIC SETPOINT BETWEEN COLOR PART INLET SENSING SENSING TOLERANCE OVERPRESSURE AND NUMBER PRESSURE DEVICE TYPE DEVICE STYLE UNDERPRESSURE psig bar psig bar psig bar psig bar 4 02 to 10 to 35 mbar Purple T14232T0012 0 058 0 004 0 145 0 010 14 1 in w c 9 97 to i 25 to 83 mbar Orange T14233T0012 0 073 0 005 0 363 0 025 33 2 in w c IRn we to Aa mpar to Red T14234T0012 0 145 0 010 0 725 0 050 2 0 psig 0 14 bar 75 5 162 eT 1 0 to 3 5 0 069 to 0 241 Yellow T14235T0012 0 203 0 014 0 870 0 060 1 7 to 5 6 0 117 to 0 386 Green T14236T0012 Diaphragm 0 261 0 018 2 18 0 150 2to 11 0 140 to 0 758 Gray T14238T0012 0 725 0 050 5 08 0 350 4 to 19 0 276 to 1 3 Brown T14239T0012 1 16 0 080 8 70 0 600 7 to 33 0 483 to 2 3 Black 14240 0012 2 47 0 170 16 0 1 10 15 to 75 1 0 to 5 2 Blue T14237T0012 5 08 0 350 36 3 2 50 31 to 161 2 1 to 11 1 Brown T14239T0012 235 16 71 10 2 0 703 79 8 5 50 59 to 235 4 1 to 16 2 Black T14240T0012 23 2 1 600 145 10 0 Requires use of a 235 to 290 16 2 to 20
18. ional Yes send one replacement parts kit to match this order Specification Worksheet Application Specific Use Line Size Fluid Type Specific Gravity Temperature Ambient Range Fluid Temp Range _ _ Does the Application Require Overpressure Protection Yes No Maximum Inlet Pressure Minimum Inlet Pressure Differential Pressure Set Pressure Maximum Flow Accuracy Requirements Less Than or Equal To 5 10 20 40 Construction Material Requirements if known Bulletin 71 2 EZL 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 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 00 Middle East and Africa Dubai United Arab Emirates Tel 071 4811 8100 For further information visit www emersonprocess co
19. m regulators TESCOM Emerson Process Management Tescom Corporation USA Headquarters 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 amp 5 5 Managemen Emerson Process Management Regulator Technologies Inc 2005 2015 All Rights Reserved P roces
20. onitors 4 Operating range is limited to maximum pressure Table 3 Working Monitor Pilot Performance MONITORING PILOT INFORMATION MINIMUM PRESSURE OVER NORMAL OUTLET PRESSURE AT OUTLET CONTROL MONITOR PILOT FOR WORKING PRESSURE RANGE SPRING SPRING WHICH MONITOR APPLICATION COLOR PART NUMBER psig bar psid bar d 5to 15 0 34 to 1 03 Yellow 1E392527022 3 0 0 2 Type 161M 10 to 125 0 69 to 8 6 Red 1K748527202 4 0 0 28 120 to 300 8 3 to 20 71 Green 15A9258X012 5 0 0 3 5 to 15 0 34 to 1 03 White 17B1260X012 3 0 0 2 10 to 40 0 69 to 2 8 Yellow 17B1262X012 3 0 0 2 Tvpe 161EBM 30 to 75 2 07 to 5 17 Black 17B1259X012 3 0 0 2 70 to 140 4 83 to 9 65 Green 17B1261X012 4 0 0 28 130 to 200 8 96 to 13 8 Blue 17B1263X012 5 0 0 3 200 to 350 13 8 to 24 10 Red 17B1264X012 5 0 0 3 1 Operating range is limited to maximum pressure Bulletin 71 2 EZL TYPE 67C PILOT SUPPLY REGULATOR P590 SERIES PILOT SUPPLY FILTER j TYPE 6352 PILOT E0948 TYPE EZL MAIN VALVE INLET PRESSURE EM OUTLET PRESSURE LOADING PRESSURE HH INTERMEDIATE PRESSURE ATMOSPHERIC PRESSURE Figure 4 Wide Open Monitoring System Operational Schematic Monitoring Systems Monitoring regulation is overpressure protection by containment therefore there is no relief valve to vent to the atmosphere When the working regulator fails to control the pressure a monitor regulator installed in series which ha
21. or Its movement activates the detection stage of the mechanism box The shutoff is a two stage process the detection stage and the power stage This separation between detection stage and power stage provides maximum precision alleviating many false trips caused by environmental vibrations The slam shut device includes a bypass valve that will allow pressure to be equalized when resetting the device Once the slam shut device has been tripped it must be manually reset For more information about the Type EZL with a slam shut device contact the local Sales Office Bulletin 71 2 EZL TYPE BM1 Ne TYPE BMS1 E0564 MECHANISM BOX TYPE BM1 WITH 1 MANOMETRIC SENSING DEVICE TYPE BMS1 TYPE BM2 TYPE BMS1 RIGHT SIDE aN TYPE BMS2 LEFT SIDE E0565 MECHANISM BOX TYPE BM2 WITH 2 MANOMETRIC SENSING DEVICES TYPES 51 AND BMS2 Figure 7 Types of Installation Mounting on Horizontal Pipeline Only 10 Bulletin 71 2 EZL FIRST STAGE RESET PIN RED NC MECHANISM BOX i W8128 SECOND STAGE RELEASING SHAFT Figure 8 Slam Shut Device in Open Position SETPOINT ADJUSTMENT RING W8129 Figure 9 Slam Shut Device in Closed Position 11 Bulletin 71 2 EZL Table 6 IEC Sizing Coefficients MAIN VALVE 2 1 LINE SIZE TO BODY SIZE BODY TRIM PERCENT LINE SIZE EQUALS BODY SIZE PIPING F OF CAPACITY E In DN Fp 0 60
22. pe EZL Dimensions continued Table 13 Type EZL Dimensions continued DIMENSION BODY SIZE B CL125 FF CL250 RF CL125 FF CL250 RF D 6 CL150RF CL900 RF Gjj g gp CL600 RF In DN In mm In mm In mm In mm In mm In mm In mm In mm 2 50 10 00 254 10 50 267 11 25 286 5 00 127 5 25 133 5 63 143 13 53 344 306 78 3 80 11 75 298 12 50 317 13 25 337 5 88 149 6 25 159 6 63 168 16 52 420 3 81 97 4 100 13 90 353 14 50 368 15 50 394 6 90 175 7 20 183 7 80 198 19 03 483 5 10 130 17 Bulletin 71 2 EZL M 9 9 O Y Y N 0 98 IN 25 mm MECHANISM BOX REMOVAL CLEARANCE Figure 11 Type EZLOSX Dimensions Table 14 Type EZLOSX Dimensions DIMENSION WITH SLAM SHUT BODY SIZE M N D H Diaphragm Piston Diaphragm Piston Bellow In DN In mm In mm In mm In mm In mm In mm In mm 2 50 13 0 330 10 4 264 6 38 162 2 80 71 6 89 175 8 03 204 8 78 223 3 80 14 34 364 11 78 299 6 38 162 2 80 71 6 89 175 8 03 204 8 78 223 4 100 15 64 397 13 09 332 6 38 162 2 80 71 6 89 175 8 03 204 8 78 223 1 Type 71 BMS with a diaphragm has M dimension of 2 80 in 71 mm Table 15 Shipping Weights APPROXIM
23. s been sensing the downstream and control pressure goes into operation to maintain the downstream pressure at a slightly higher than normal pressure During an overpressure situation monitoring keeps the customer on line Also testing is relatively easy and safe To perform a periodic test on a monitoring regulator increase the outlet set pressure of the working regulator and watch the outlet pressure to determine if the monitoring regulator takes over at the appropriate outlet pressure Wide Open Monitoring Systems Figure 4 There are two types of wide open monitoring systems upstream and downstream The difference between upstream and downstream monitoring is that the functions of the regulators are reversed Systems can be changed from upstream to downstream monitoring and vice versa by simply reversing the setpoints of the two regulators The decision to use either an upstream or downstream monitoring system is largely a matter of personal preference or company policy P590 SERIES PILOT SUPPLY FILTER TYPE 6352 PILOT TYPE EZL MAIN VALVE In normal operation of a wide open configuration the working regulator controls the system s outlet pressure With a higher outlet pressure setting the monitor regulator senses a pressure lower than its setpoint and tries to increase outlet pressure by going wide open If the working regulator fails the monitoring regulator assumes control and holds the outlet pressure at i
24. t on single stage pressure reducing regulators or as the monitor pilot or as the working pilot in wide open monitor systems Type 61HP Extra high pressure pilot for outlet pressure range of 15 to 290 psig 1 03 to 20 0 bar The Type 61HP can be used as the pilot on single stage pressure reducing regulators or as the monitor pilot or as the working pilot in wide open monitor systems Bulletin 71 2 EZL EQUALIZER BYPASS VALVE PLUG VALVE PLUG DISK MANOMETRIC DEVICE STEM MANOMETRIC DEVICE MECHANISM BOX E0971 NLET PRESSURE EE OUTLET PRESSURE ATMOSPHERIC PRESSURE LOADING PRESSURE Figure 6 Type EZLOSX Operational Schematic Table 4 Applications and Construction Guide See Figure 7 Bulletin 71 2 EZL MECHANISM BOX REQUIRED MANOMETRIC SENSING DEVICE REQUIRED APPLICATION Type BM1 Type BM2 Type BMS1 Type BMS2 Overpressure Shutoff OPSO Yes No Yes No Underpressure Shutoff UPSO Yes No Yes No Overpressure Shutoff OPSO and Underpressure Shutoff UPSO Yes No Yes 1 No Overpressure Shutoff OPSO and Underpressure Shutoff UPSO No Yes Yes 2 Yes Overpressure Shutoff OPSO Overpressure Shutoff OPSO 2 a and Underpressure Shutoff UPSO No ves Yes 1 When using one manometric sensing device Type BMS1 or BMS2 for both overpressure and underpressure shutoff make sure that the difference betwe
25. to 200 psig 5 9 to 13 8 bar Blue 175 to 220 psig 12 1 to 15 2 bar Blue 200 to 300 psig 13 8 to 20 7 bar Green 1 1 Operating range is limited to maximum pressure Regulators Quick Order Guide no Readily Available for Shipment Allow Additional Time for Shipment Special Order Constructed from Non Stocked Parts Consult your local Sales Office for Availability longest shipping time for the requested construction Availability of the product being ordered is determined by the component with the Bulletin 71 2 EZL Type 161M 5 to 15 psig 0 35 to 1 03 bar Yellow 10 to 125 psig 0 69 to 8 6 bar Red 120 to 300 psig 8 3 to 20 7 bar Green 1 Type 161EBM 5 to 15 psig 0 35 to 1 03 bar White 10 to 40 psig 0 69 to 2 8 bar Yellow 30 to 75 psig 2 07 to 5 17 bar Black 70 to 140 psig 4 83 to 9 65 bar Green 130 to 200 psig 8 96 to 13 8 bar Blue 200 to 350 psig 13 8 to 24 1 bar Red Pilot Elastomer Material Select One Nitrile NBR Polyurethane PU standard Fluorocarbon FKM Travel Indicator Optional Yes No Main Valve Replacement Parts Kit Optional Yes send one replacement parts kit to match this order Pilot Replacement Parts Kit Opt
26. ts outlet pressure setting Working Monitoring Regulators Figure 5 In a working monitoring system the upstream regulator requires two pilots and it is always the monitoring regulator The additional pilot permits the monitoring regulator to act as a series regulator to control an intermediate pressure during normal operation In this way both units are always operating and can be easily checked for proper operation In normal operation the working regulator controls the outlet pressure of the system The monitoring regulator s working pilot controls the intermediate pressure and the monitoring pilot senses the system s outlet pressure If the working regulator fails the monitoring pilot will sense the increase in outlet pressure and take control TYPE 161 MONITOR PILOT TYPE 6352 PILOT E0946 INLET PRESSURE EE OUTLET PRESSURE LOADING PRESSURE INTERMEDIATE PRESSURE L ATMOSPHERIC PRESSURE TYPE EZL MAIN VALVE Figure 5 Working Monitoring System Operational Schematic Working monitor installations require a Type EZL main valve with a working pilot and a monitoring pilot for the upstream regulator and a Type EZL with the appropriate pilot for the downstream regulator Pilot Descriptions The Type EZL pressure reducing regulator includes either a 6350 or 61 Series pilot mounted on the Type EZL main valve for pressure reducing application or wide open monitoring applications and 161
27. y 0 0268 To find approximate regulating capacities at pressure settings not given in Tables 11 and 12 or to find pressure perform one of the following procedures Then if necessary convert using the factors provided above Critical Pressure Drops For critical pressure drops absolute outlet pressure equal to or less than one half of absolute inlet pressure use the following formula Q P Co 1 29 Non Critical Pressure Drops For pressure drops lower than critical absolute outlet pressure greater than one half of absolute inlet pressure 520 3417 AP Q C P SIN DEG HR g 1 where Q gas flow rate SCFH P absolute inlet pressure psia P4 gauge 14 7 Cy regulating or wide open gas sizing coefficient G gas specific gravity of the gas absolute temperature of gas at inlet Rankine C flow coefficient AP pressure drop across the regulator psi Table 7 Type EZL Main Valve Regulating Flow Coefficients Bulletin 71 2 EZL 2 TRIM PERCENT LINE SIZE EQUALS BODY SIZE 2 1 LINE SIZE TO BODY SIZE PIPING In DN OF CAPACITY Cy C Cy C 100 2290 63 2 36 2 2140 61 5 34 8 80 1914 56 7 33 8 1760 51 5 34 2 50 1290 41 4 31 2 1230 36 4 33 8 30 858 25 5 33 6 800 24 9 32 1 100 4800 144
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