Type EZR
Europe, Middle East and
Africa Only
Summary
Introduction ......................................................................... 1
Description.......................................................................... 1
Characteristics .................................................................... 2
Labelling ............................................................................. 4
Operation ............................................................................ 5
Dimensions and Weights .................................................... 6
Installation .......................................................................... 7
Commissioning ................................................................... 9
Maintenance ....................................................................... 10
Spare Parts......................................................................... 13
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 flow to be
cut off rapidly and totally in the case of under or over outlet
regulator pressure.
Description
Main Valve
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 filter, an adjustable restrictor
and a pilot
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, an adjustable restrictor
and a pilot
• A slam shut orifice
• 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
Pilot-Operated Regulator
Instruction Manual
D103681X012
January 2020
The
Type EZR
is in conformity with the
PED 2014/68/EU and is classified in Category IV.
Figure 1.
Type EZR Pilot-Operated Regulator
