133 Series
D100270X012
Instruction Manual
Form 5007
August 2008
www.emersonprocess.com/regulators
133 Series Self-Operated Regulators
Introduction
Installation, operation and maintenance
procedures performed by unqualied
personnel may result in improper
adjustment and unsafe operation. Either
condition may result in equipment
damage or personnel injury. Use qualied
personnel when installing, operating and
maintaining the 133 Series regulators.
If a leak develops in the system, the
escaping gas may accumulate and
become a re or explosion hazard.
Immediately call qualied service
personnel in case of trouble.
Scope of Manual
This manual provides specications, instructions
for installation, adjustment, maintenance, and parts
information for the 133 Series.
!
WARNING
Only personnel qualied through training or experience
should install, operate and maintain this regulator. If
there are any questions concerning these instructions,
contact your local Sales Ofce before proceeding.
Description
The 133 Series self-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
balancing system enables the regulator to provide
accurate control gas pressure for maximum combustion
efciency despite varying inlet pressure conditions. The
single port construction provides bubble tight shutoff.
An external downstream control line is required for
the operation of the regulator. A restriction collar is
available to reduce the ow capacity of the regulator.
W1327
Figure 1. 133 Series Gas Regulators
TYPES 133H, 133L, AND 133Z REGULATORS
W6803
TYPE 133HP REGULATOR
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