Data Sheet

Overpressure Protection Options
The distinctive swirl pattern cast into
every actuator casing uniquely identies
the regulator as part of the Fisher
®
brand
Commercial Service Regulator family and
assures you of the highest-quality engineering,
performance, and support traditionally associated
with Fisher, Francel, and Tartarini regulators.
For further information, visit www.emersonprocess.com/regulators
Our Global Natural Gas Product Brands:
D351366X012 © 2009 Emerson Process Management Regulator Technologies, Inc. All rights reserved. Printed in the U.S.A. 03/09.
Fisher, Francel, Tartarini, Emerson Process Management, and the Emerson Process Management design are marks of one of the
Emerson Process Management group of companies. All other marks are the property of their respective owners.
Natural Gas Technologies
Emerson Process Management Regulator Technologies, Inc.
Asia-Pacific
Singapore, Singapore 128461
Tel: +65 6777 8211
Europe
Bologna, Italy 40013
Tel: +39 051 4190611
Gallardon, France
Tel: +33 (0) 2 37 33 47 00
North America
McKinney, Texas 75069-1872 USA
Tel: 1-800-558-5853
Outside U.S. 1-972-548-3574
Integral True-Monitor
TM
Protection
Combines the operation of a conventional two-regulator
wide-open monitor set into one device without the need for a
downstream control line.
Slam-Shut
Shuts off gas service to the downstream
system in the event of an overpressure or
underpressure condition.
INTEGRAL MONITOR PRIMARY REGULATOR
Internal Relief
Discharges gas across the diaphragm
assembly to minimize overpressure.
CS400 Series Features
Operation: Direct-Operated, Spring-Loaded
Body Size: NPS 1-1/4, 1-1/2, 2 NPT, ISO 7/1 Rp;
NPS 2 / DN 50 CL125 FF / CL150 FF, PN 10/16
Maximum Operating Inlet Pressure:
Up to 125 psig / 8,6 bar
Outlet Pressure Range:
3.5-inches w.c. to 5.5 psig / 9 to 380 mbar
Maximum Outlet (Casing) Pressure: 25 psig / 1,72 bar
Temperature Capabilities:
-20° to 150°F / -29° to 66°C
Spring Case Vent Connection: 1 NPT
Pressure Registration: Internal or External
Body Material: Gray Cast Iron, Ductile Cast Iron, and Steel
Overpressure Protection:
Internal Relief
Integral True-Monitor
TM
Protection
Slam-Shut Protection