Emerson 133 Series Pressure Reducing Regulators User's Guide

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133 Series
D100270X012
June 2013
Instruction Manual
Form 5007
133 Series Direct-Operated Regulators
W1327
Figure 1. 133 Series Gas Regulators
W1327
TYPES 133H, 133L, AND 133Z REGULATORS
W6803
TYPE 133HP REGULATOR
Table of Contents
Introduction...................................................................1
Speci cations...............................................................2
Principle of Operation...................................................2
Installation.....................................................................3
Overpressure Protection..............................................4
Startup..........................................................................4
Adjustment....................................................................5
Shutdown......................................................................6
Maintenance.................................................................6
Parts Ordering.............................................................11
Parts List.................................................................... 11
!
WARNING
Failure to follow these instructions or
to properly install and maintain this
equipment could result in an explosion
and/or re causing property damage and
personal injury or death.
Fisher
®
regulators must be installed,
operated, and maintained in accordance
with federal, state, and local codes,
rules and regulations, and Emerson
Process Management Regulator
Technologies, Inc. (Regulator
Technologies) instructions.
If the regulator vents gas or a leak
develops in the system, service to the unit
may be required. Failure to correct trouble
could result in a hazardous condition.
Call a gas service person to service the
unit.  Only a qualied person must install
or service the regulator.
Introduction
Scope of the Manual
This manual provides speci cations, installation,
adjustment and maintenance instructions, and parts
ordering information for the 133 Series regulators.
Only personnel quali ed through training or experience
should install, operate, and maintain this regulator. If
there are any questions concerning these instructions,
contact your local Sales Of ce before proceeding.
Product Description
The 133 Series direct-operated gas regulators, shown
in Figure 1 are primarily designed for industrial and
commercial applications supplying gas to furnaces,
burners, and other appliances. The 133 Series
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