Emerson CS800 Data Sheet

CS800 Series

Commercial Service Reliability

Fisher® CS800 Series

The CS800 Series direct-operated, spring-loaded regulators

have been engineered to fi t a multitude of pressure-reducing
applications including low pressure commercial service
installations. The CS800 Series regulators can accommodate up
to 21 600 000 BTU per hour / 243 SCMH of fl ow capacity and are
available in 1-1/2 and 2-inch body sizes with 8-inches w.c. to

5.5 psig / 20 mbar to 0,38 bar pressure ranges.

Type CS800IR

Product Advantages

• Up to 2-inch body size with NPT or fl ange end connection

• Capacities from 10M to 20M BTU per hour / 112 to 224 SCMH

• Functionality tested from -40° to 160°F / -40° to 71°C

• Flow optimized discs provide maximum fl ow

• Internal relief for overpressure protection

• Ease of maintenance and installation

• Enhanced construction materials for long-lasting strength

www.fi sherregulators.com

The distinctive swirl pattern cast into every actuator casing uniquely identifi es the regulator as part

of the Fisher

engineering, performance, and support traditionally associated with Fisher, Francel, and Tartarini

regulators. Visit www.fi shercommercialservice.com to access interactive applications.

Overpressure Protection

Internal Relief

Provides internal relief capacity to protect the device from minor overpressure incidents.

CS800 Series Specifi cations

Available Configurations:

Type CS800IR
Type CS820IR

Operation:

Direct-Operated, Pressure Reducing

Body Sizes and End Connections:

1-1/2 and 2-inch NPT

Maximum Allowable Operating Pressure:
30 psig / 2,1 bar
Outlet Pressure Ranges:

8 to 12-inches w.c. / 20 to 30 mbar;
1 to 2.5 psig / 0,07 to 0,17 bar;

2.5 to 5.5 psig / 0,17 to 0,38 bar

1. Product has passed Fisher® testing for lockup, relief start-to-discharge and reseal at -40°F / -40°C.

Emerson Process Management Regulator Technologies, Inc.
Americas - Worldwide Headquarters

310 East University Drive
McKinney, Texas 75069-1872, USA

T: [phone]

T: [phone]
F: [phone]
www.fisherregulators.com

D450263T012 © 2011 Emerson Process Management Regulator Technologies, Inc. All rights reserved. Printed in the U.S.A. 04/11.
Fisher, 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.

Europe

T: [phone]

The distinctive swirl pattern cast into every actuator casing uniquely identifi es the regulator as part

of the Fisher
engineering, performance, and support traditionally associated with Fisher, Francel, and Tartarini

regulators. Visit www.fi shercommercialservice.com to access interactive applications.

®

brand Commercial Service Regulator family and assures you of the highest-quality

Pressure Settings:

11-inches w.c / 27 mbar;
2 psig / 0,14 bar;

5 psig / 0,35 bar

Temperature Capabilities

-40° to 160°F / -40° to 71°C

Spring Case Vent Connection:

1 NPT

Pressure Registration:

Internal

Body Material:

Gray Cast Iron

Asia Pacific

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(1)

:

Middle East

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