Emerson 63EG User Manual

Types 63EG and 1098-63EGR
Instruction Manual
D100315X012
August 2019
W6955
W3003-1*
Figure 1. Type 63EG Relief Valve or Backpressure Regulator
Figure 2. Type 1098-63EGR Relief Valve
Type 63EG Relief Valve or
Backpressure Regulator
Failure to follow these instructions or
to properly install and maintain this
equipment could result in an explosion
and/or fire causing property damage and
personal injury or death.
Fisher™ relief valves must be installed,
operated and maintained in accordance
with federal, state and local codes, rules
and regulations and Emerson Process
Management Regulator Technologies,
Inc. (Emerson™) instructions.
If a leak develops or if the outlet
continually vents gas, service to the
unit may be required. Failure to correct
trouble could result in a hazardous
condition. Only a qualified person must
install or service the unit.
Call a gas service person to service the
unit. Only a qualified person must install
or service the regulator.
Introduction
Scope of the Manual
This instruction manual provides instructions
for the installation, maintenance and parts
ordering information for a Type 63EG relief
valve or backpressure regulator with either a
Type 6358, 6358B, 6358EB or 6358EBH pilot and
a Type 1098-63EGR relief valve with a Type 6358B
pilot. Instructions and parts ordering information for the
optional Type 252 or P590 Series pilot supply filters
and any other equipment used with these valves are
found in separate manuals.
!
WARNING

Emerson 63EG Specifications

General

Brand	Emerson
Model	63EG
Category	Control Unit
Language	English

Summary

Introduction

Scope of the Manual

Details the installation, maintenance, and parts ordering for specific valve types.

Specifications

Available Constructions

Lists available configurations for Types 63EG and 1098-63EGR with pilot types.

Process Temperature Capabilities

Outlines the temperature limits for various seal materials used in the valves.

Product Description

Pilot Descriptions

Explains the different pilot configurations available for relief valve and backpressure applications.

Principle of Operation

Type 63EG Operation

Describes the operational mechanism of the Type 63EG relief valve.

Type 1098-63EGR Operation

Explains the operational mechanism of the Type 1098-63EGR relief valve.

Installation

General Installation Guidelines

Covers safety precautions and general recommendations for installing the valves.

Startup and Adjustment

Adjustment Procedure

Describes the procedure for adjusting the set pressure of the relief pilots.

Shutdown

Relief Valve Shutdown

Steps for safely shutting down relief valve installations.

Backpressure Installation Shutdown

Procedures for safely shutting down backpressure applications.

Maintenance

Replacing Quick-Change Trim Package

Details procedures for replacing the quick-change trim package on the main valve.

Type 1098 Actuator and Pilot Mounting

6358 Series Pilots Disassembly

Steps for disassembling the 6358 Series Pilots.

6358 Series Pilots Assembly

Parts List

Main Valve Parts

Lists part numbers for the main valve components and kits.

Mounting Parts

Lists part numbers for mounting hardware and accessories.

Type 1098 Actuator Parts

Lists part numbers for the Type 1098 actuator components.

6358 Series Pilot Parts

Lists part numbers for the various 6358 Series pilot components.