627 Series
D101328X012
Instruction Manual
Form 5252
07/89
Regulators
www.FISHERregulators.com
627 Series Pressure Reducing Regulators
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 some-
times 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 regula-
tors (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 (see the AVAILABLE
CONFIGURATIONS specification in table 1).
Specifications
Table 1 gives some general specifications for the 627
Series regulators. The nameplates (figure 2) gives
detailed information for a particular regulator as it
comes from the factory.
NUMBER 1
NUMBER 2
Figure 2. Nameplates
Figure 1. Typical 627 Series Self-Operated
Pressure Reducing Regulator
W4793
10B3679-D
Incorporates Errata dated January 2001
Summary of Contents for 627M
Page 14: ...627 Series 14 Figure 7 Type 627 Regulator Components 30B3092 D ...
Page 15: ...627 Series 15 Figure 8 Type 627R Regulator Components 30B3089 D ...
Page 16: ...627 Series 16 Figure 9 Type 627M Regulator Components 30B6433 C 1 4 INCH NPT CONNECTION ...
Page 17: ...627 Series 17 Figure 10 Type 627MR Regulator Components 30B6434 D 1 4 INCH NPT CONNECTION ...
Page 18: ...627 Series 18 Figure 11 Type 627H Regulator Components 31B5374 B ...
Page 19: ...627 Series 19 Figure 12 Type 627HM Regulator Components 31B9872 B ...