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Fisher™ CSB700 Pressure Reducing Regulators
The CSB700 Series direct-operated, spring-loaded regulators are engineered to fit a multitude of pressure reducing applications.
This flexibility is provided by the numerous body sizes and end connections, outlet pressure settings in external pressure registration. The CSB700 Series offers multiple overpressure protection options to meet your application requirements.

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Fisher™ CSB700 Pressure Reducing Regulators

Specs

Body Sizes and End Connection Styles
Ductile Iron: 1-1/2 or 2 NPT, Rp 1-1/2 or 2, NPS 2 / DN 50 CL125 FF, NPS 2 / DN 50 CL150 FF, NPS 2 / DN 50 PN 10/16, NPS 1-1/2 / DN 40 PN 16 Slip-On
WCC Steel: 1-1/2 or 2 NPT, Rp 1-1/2 or 2, NPS 2 / DN 50 CL150 RF, NPS 2/ DN 50 PN 10/16
Maximum Operating Inlet Pressure
Integral Strength (IS): 5 bar / 73 psig
Differential Strength (DS): 16 bar / 232 psig
Maximum Emergency Inlet Pressure
Integral Strength (IS): 5 bar / 73 psig
Differential Strength (DS): 20 bar / 290 psig
Outlet Pressure Range
9 mbar to 4.0 bar / 0.13 to 58 psig
Maximum Emergency Outlet Pressure (Casing)
5.0 bar / 73 psig
Max Outlet Pressure to Avoid Internal Metallic Parts Damage
1.5 bar / 21.8 psig - not to exceed maximum emergency outlet
Temperature Capabilities
According to PED Standards: -20 to 66°C / -4 to 151°F
Non-PED: -30 to 66°C / -22 to 151°F
Approximate Weights
Threaded Body:
Type CSB700: 13 kg / 29 Pounds
Type CSB704: 14 kg / 31 Pounds
Flanged Body: Add 5.2 kg / 11 Pounds to weights listed

Features

  • Ductile Iron and WCC Steel Bodies Available
  • Wide Variety of Body Sizes and End Connections
  • With Type VSX8 Slam-shut Option
  • No Special Tools for Pressure Adjustment and Orifice Removal

Education

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