CS200 Series
Fisher® Commercial Service Reliability
CS200 Series
The Fisher® CS200 Series
The CS200 Series direct-operated, spring-loaded regulators
have been engineered to t a multitude of pressure-reducing
applications including commercial and light industrial
installations. This exibility is provided by the numerous
body sizes, outlet pressure settings, and orice sizes. Ease of
maintenance and installation is also a strength of the
CS200 Series, which offers the combination of 360-degree
rotatable union ring along with a rotatable upper casing that
provides simplied vent positioning, especially in tight spaces
or awkward installations.
To provide further exibility, the CS200 Series offers
optional overpressure protection via Internal Relief or
Secondary SeatTM Protection.
By relieving gas through the diaphragm assembly to
atmosphere, the Internal Relief valve minimizes downstream
pressure build-up in the event of an overpressure situation.
Typical CS200 Internal Relief
Secondary SeatTM Protection provides shutoff in the event that
the primary orice seating surface or disk surface becomes
damaged or obstructed by debris and can no longer provide
shutoff. (See Figure on the following page)
Product advantages:
• Internal registration provides compact installation
• Multiple Overpressure Protection Options
• Internal Relief
• Secondary SeatTM Protection
• Secondary SeatTM Protection with bleed
• Wide range of NPT body sizes
• Platform breadth and application coverage
Optional Secondary Seat
Type CS200IR Regulator with Relief
INLET PRESSURE
OUTLET PRESSURE
ATMOSPHERIC PRESSURE
May 2008
CS200 Series
TM
Protection
PRIMARY
SECONDARY SEAT DETAILED VIEW
DISK
NORMAL
OPERATION
DEBRIS
OBSTRUCTING
LOCKUP
M1132
INLET PRESSURE
OUTLET PRESSURE
ATMOSPHERIC PRESSURE
NORMAL LOCKUP
SECONDARY SEAT
LOCKUP
PRIMARY ORIFICE
SEATING SURFACE
SEATING SURFACE
TM
SECONDARY
SECONDARY SEATTM
DETAIL
INTERNAL RELIEF
VALVE SPRING
INTERNAL RELIEF
VALVE SEAT
CS200 Series Features
Operation: Direct-operated, Spring-loaded
Body Sizes:
3/4, 3/4 x 1, 3/4 x 1-1/4, 1, 1 x 1-1/4, and 1-1/4 NPT
Maximum Inlet Pressure: Up to 175 psig (12,1 bar)
Outlet Pressure Range:
3.5-inches w.c. to 2.0 psig (9 to 138 mbar)
Temperature Capabilities: -20° to 150°F (-29° to 66°C)
Spring Case Vent Connection: 1 NPT
Pressure Registration: Internal
Body Material: Gray Cast Iron
Overpressure Protection:
• Internal Relief
• Secondary SeatTM Protection
Maximum Outlet (Casing) Pressure: 25 psig (1,7 bar)
Natural Gas Technologies
Emerson Process Management Regulator Technologies, Inc.
North America
McKinney, Texas 75069-1872 USA
Tel: 1-800-558-5853
Outside U.S. 1-972-548-3574
Our Global Natural Gas Product Brands:
D351365X012 © 2009 Emerson Process Management Regulator Technologies, Inc. All rights reserved. Printed in the U.S.A. 11/09.
Fisher, Francel, Tar tarini, 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.
Asia-Pacific
Singapore, Singapore 128461
Tel: +65 6777 8211
For further information, visit www.emersonprocess.com/regulators
Europe
Bologna, Italy 40013
Tel: +39 051 4190611
Gallardon, France
Tel: +33 (0) 2 37 33 47 00
The distinctive swirl pattern cast into
every actuator casing uniquely identies
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.
Visit www.shercommercialservice.com to access
interactive applications.
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