Emerson EZR Series Pressure Reducing Regulator- User Manual
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Table of Contents:
- Page 2 – Coefficients Capacity DN 25; CHARACTERISTICS; MATERIAL; FISHER; Label for Type EZR Regulator with OS2 Slam Shut; LABELLING; Middle
- Page 3 – Filter cartridge; SPARE PARTS; spring must be changed; Date; Label for Type EZR Regulator
- Page 4 – EZR SPARE PARTS; Regulator; Guide
- Page 5 – REGULATOR
- Page 6 – DIMENSIONS AND WEIGHTS; Diaphragm
- Page 7 – Installation according to EN12186 recommended.; WARNING
- Page 8 – PRELIMINARY VERIFICATIONS; • Slam shut valve plug; COMMISSIONING; release relay stage
- Page 9 – SERVICING CHECK; Slam shut valve plug
- Page 10 – DISASSEMBLY; • Clean parts and replace them if necessary
- Page 11 – Natural Gas Technologies
EZR
Technical Manual
NTAEZR0206
July 2004 - Rev 01
SUMMARY
INTRODUCTION ................................................................
1
DESCRIPTION ....................................................................
1
CHARACTERISTICS ..........................................................
2
LABELLING .........................................................................
2
SPARE PARTS ....................................................................
3
OPERATION ........................................................................
5
DIMENSIONS AND WEIGHTS ............................................
6
INSTALLATION ...................................................................
7
COMMISSIONING ...............................................................
8
MAINTENANCE ..................................................................
9
INTRODUCTION
The EZR is a pilot-operated regulator used in transmission and distribution
networks or pipe lines supplying industries and commercial businesses.
The EZR can be equipped with a slam shut type OS2 (EZR body
change) which permits the gas flow to be cut off rapidly and totally in the
case of under or over outlet regulator pressure.
DESCRIPTION
The EZR consists of:
A version without integral slam shut:
• A body («E body» type), a bonnet
• A regulation subassembly consisting of a slotted cage and a
diaphragm/plug
• A travel indicator, an inlet screen
• A pilot assembly consisting of a filter with bleeding screw (filtration
20 microns), an adjustable restrictor and a pilot set to the required
outlet pressure
PILOT-OPERATED REGULATOR
Type EZR
A version with integral slam shut:
•
A body («X body» type), a bonnet, a connecting part
• A regulation subassembly consisting of a slotted cage and a
diaphragm/plug
• A travel indicator
• A pilot assembly consisting of a filter with bleeding screw (filtration
20 microns), an adjustable restrictor and a pilot adjusted to the
required outlet pressure
• A removable slam shut orifice
• A integral O-ring tightshut valve/bypass assembly
• A release relay type OS2 according to NTAOS2:
- a mechanism box (BM)
- a safety manometric box (BMS) to be connected outlet side of the
regulator
The EZR is in conformity with the
PED 97/23/EC and is classified in category IV.
Europe,
Middle
East,
and
Africa
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Summary
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 ...
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...
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...
