Emerson EZR Series Pressure Reducing Regulator- Manuals

Page 2 - Coefficients Capacity DN 25; CHARACTERISTICS; MATERIAL; FISHER; Label for Type EZR Regulator with OS2 Slam Shut; LABELLING; Middle

2 EZR Coefficients Capacity DN 25 DN 50 DN 80 DN 100 DN 150 100 % 480 1800 3400 5550 11200 C g 60 % 290 1020 1970 3300 7150 30 % 140 560 970 1690 3570 100 % 33 36 37 38 36 C 1 60 % 29 28 29 27 30 30 % 30 29 26 26 26 Valve plug travel (mm) 35 35 50 50 50 B o d y P max (bar) T min (°C) T max (°C) A 2 ...

Page 3 - Filter cartridge; SPARE PARTS; spring must be changed; Date; Label for Type EZR Regulator

3 EZR Pilot, Restrictor, Filter spare parts Reference Description Item Pilot type 161EB 161EBH 161EBM 161EBHM Pilot kit 0.34 to 13.8 bar 15 R161X000012 R161MX00012 Pilot kit 13.8 to 24.1 bar 15 R161X000022 R161MX00022 Pilot kit EBH(M) 16 R161HX00012 R161HMX0012 O-ring 17 1C8538X0052 Filter cartridge...

Page 4 - EZR SPARE PARTS; Regulator; Guide

4 EZR B12 SPARE PARTS EZR SPARE PARTS Regulator EZRwithslam shut EZR withoutslam shut EZRwith/withoutslam shut B13 Reference Description Item DN mm (inches) 25 (1’’) 50 (2’’) 80 (3’’) 100 (4’’) 150 (6’’) O-ring 1 400009 400024 400091 400045 400262 O-ring 2 19B2838X012 18B2124X012 18B8514X012 18B2140...

Page 5 - REGULATOR

5 EZR OPERATION REGULATOR The EZR is a pilot-driven, diaphragm/plug regulator.Tight shutoff is achieved by the diaphragm/plug pushing against the slottedcage, the force of the closing spring and the inlet pressure.• OpeningAs the flow increases, the outlet pressure Pa decreases on the outletside of ...

Page 6 - DIMENSIONS AND WEIGHTS; Diaphragm

6 EZR Body DN B C E H 25 233 315 348 250 50 243 330 357 265 80 361 366 410 301 100 393 410 454 345 150 423 396 468 332 Body DN PN 20 PN 50 PN 100 25 20 21 22 50 39 41 43 80 63 69 71 100 104 113 123 150 192 211 244 A Body DN PN D J M 20 50 100 25 (1") 184 197 210 165 68 54 50 (2") 254 267 286...

Page 7 - Installation according to EN12186 recommended.; WARNING

7 EZR B19 INSTALLATION • The regulator is installed on horizontal pipeline. Version withslam shut, the release relay is situated towards the bottom (seeschematic). • Installation according to EN12186 recommended. • Install according to direction of fluid flow (arrow). • When assembling with adjacent...

Page 8 - PRELIMINARY VERIFICATIONS; • Slam shut valve plug; COMMISSIONING; release relay stage

8 EZR COMMISSIONING Operations concerning the integral slam shut version are in italic. All interventions on equipment should only be performed byqualified personnel PRELIMINARY VERIFICATIONS Start-up positions• Inlet and outlet valves Æ Closed Verify the absence of pressure between inlet and outlet...

Page 9 - SERVICING CHECK; Slam shut valve plug

9 EZR MAINTENANCE Operations concerning the integral slam shut version are in italic. SERVICING CHECK Recommended frequency: • Twice yearly minimum Verification: • Set point verification• Regulator valve plug tightness• Tripping and set point value• Slam shut valve tightness Departure positions • In...

Page 10 - DISASSEMBLY; • Clean parts and replace them if necessary

10 EZR MAINTENANCE DISASSEMBLY Recommended frequency:Every 2 to 6 years (or less depending on operating conditions) Verification:Condition of O-rings, diaphragms, lubrication Replacement:O-rings, diaphragm Tools:Dimensions according to tables below PRELIMINARY OPERATIONS• Valve plug closed• Inlet an...

Page 11 - Natural Gas Technologies

11 EZR Natural Gas Technologies Emerson Process ManagementRegulator Technologies, Inc. Francel SA Z.A. La Croix Saint Mathieu 28320 Gallardon, France Tel : +33 (0)2 37 33 47 00 Fax : +33 (0)2 37 31 46 56 O.M.T. Officina Meccanica Tartarini s.r.l. Via P. Fabbri, 1 I - 40013 Castel Maggiore (Bologna),...