Emerson FISHER 627 Series Instruction Manual

Instruction Manual
Form 5252
March 2008
627 Series Pressure Reducing Regulators
W4793
Figure 1. Typical 627 Series Self-Operated
Pressure Reducing Regulator
Introduction
Scope of Manual
This manual provides instructions for the Installation,
Adjustment, Maintenance, and Parts Ordering for
the 627 Series regulators. These regulators usually
are shipped separate for line installation, although
sometimes they are shipped installed on other
equipment. Refer to the Instruction Manual for the other
equipment for installation and operating instructions.
Description
The 627 Series self-operated pressure reducing
regulators (Figure 1) are for high and low pressure
systems. These regulators can be used with natural
gas, air, or a variety of other gases. Performance
characteristics vary according to construction.
Specifications
The Specifications section gives some general
specifications for the 627 Series regulators. The
nameplates (Figure 2) give detailed information for a
particular regulator as it comes from the factory.
www.emersonprocess.com/regulators
NUMBER 1
NUMBER 2
10B3679-D
Figure 2. Nameplates
627 Series