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Fisher-P-CS800

Fisher™ CS800 Series Regulators

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Product Description

Fisher CS800 Series direct-operated, spring-loaded regulators provide pressure-reducing applications for commercial and light industrial installations. This flexibility is provided by the numerous body sizes and end connections, outlet pressure settings, orifice sizes, as well as the option for internal or external pressure registration. In addition to application flexibility, the CS800 Series offers multiple overpressure protection options to meet your demands on application requirements.

CAD Drawings and Models: Click Here

Features

  • Flow Optimized Disks provide More Flow for your Application
  • A large number of Overpressure Protection Offerings in the Industry
  • Wide Variety of Body Sizes and End Connections
  • Body Materials Available in Gray Cast Iron, Ductile Iron and Steel
  • Fixed Factor/Pressure Factor Measurement (PFM) Accuracy Capabilities
  • Only Standard Tools required for Pressure Adjustment and Orifice Removal
  • Simplified Maintenance
  • Up to 25% Hydrogen blend (by Volume) ready
  • 100% Hydrogen Available - (contact factory)

Specifications

Body Sizes and End Connection Styles
1-1/4, 1-1/2, and 2 NPT
Rp 2
NPS 2 / DN 50 / CL125FF / CL150 FF / CL150 RF
NPS 2 / DN 50 / PN 10/16 / PN16
Maximum Allowable Inlet Pressure
Emergency: 175 psig / 12.1 bar
Maximum Outlet Control Pressure
Emergency (Casing): 15 psig / 1.0 bar
To Avoid Internal Parts Damage: 3 psig / 0.21 bar differential above outlet pressure setting
Orifice Sizes
1/4-inch / 6.4 mm
3/8-inch / 9.5 mm
1/2-inch / 13 mm
5/8-inch / 16 mm
3/4-inch / 19 mm
7/8-inch / 22 mm
1-inch / 25 mm
1-3/8-inches / 35 mm
Hydrogen (H2)
The CS800 family was validated for hydrogen service through extensive high pressure hydrogen testing to analyze sealing performance and material compatibility. For additional details regarding the evaluation and testing, please refer to “Blending Hydrogen with Natural Gas : Technical Factors to Consider”.
Outlet Pressure Range
3.5-inches w.c. to 10 psig / 9 to 0.69 bar
Pressure Registration
Internal or External
External Registration Connection
3/4 NPT
Temperature Capabilities
-20 to 150°F / -30 to 66°C
Capacity
Up to 36 270 SCFH / 974 Nm3/h
Approximate Weights
Threaded:
CS800/820:25#/11kg
CS803/823:34#/16kg
CS805/825:26#/12kg
CS806/826:26#/12kg
HP:
CS85x, add 2#/0.91kg to Types above
Flanged:
Add 11#/5kg to weights above

Documents & Drawings