Emerson Fisher EZR series - User Manual

Summary
Introduction ................................................................... 1
Description.................................................................... 1
Characteristics .............................................................. 2
Labelling ....................................................................... 3
Spare Parts................................................................... 4
Operation ...................................................................... 6
Dimensions and Weights .............................................. 7
Installation .................................................................... 8
Commissioning ............................................................. 9
Maintenance ................................................................. 10
Introduction
The Type EZR is a pilot-operated regulator used in
transmission and distribution networks or pipe lines
supplying industries and commercial businesses.
The Type EZR can be equipped with a slam shut Type OS2
(Type EZR body change) which permits the gas ow to be
cut off rapidly and totally in the case of under or over outlet
regulator pressure.
Description
The Type 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 lter with bleeding screw
(ltration 20 microns), an adjustable restrictor and a pilot
set to the required outlet pressure
Pilot-Operated Regulator
Figure 1. Type EZR Pilot-Operated Regulator
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 lter with bleeding screw
(ltration 20 microns), an adjustable restrictor and a pilot
adjusted to the required outlet pressure
• A removable slam shut orice
• A integral O-ring tightshut valve/bypass assembly
• A release relay Type OS2 according to D103683X012_
OS2_IM:
- a mechanism box (BM)
- a safety manometric box (BMS) to be connected outlet
side of the regulator
The Type EZR is in conformity with the
PED 2014/68/EU and is classied in Category IV.
Type EZR
Instruction Manual
D103681X012
December 2017
Europe, Middle East and Africa Only

Emerson Fisher EZR series Specifications

General

Brand	Emerson
Model	Fisher EZR series
Category	Controller
Language	English