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Fisher™ CS200 Series Pressure Reducing Regulators
Fisher CS200 Series direct-operated, spring-loaded regulators provide pressure-reducing applications for commercial and light industrial installations.
Options include numerous body sizes, outlet pressure settings, and orifice sizes. CS200 offers ease of maintenance and installation with its full 360-degrees of rotation of the actuator via the union ring connection between the body and casing.

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Fisher™ CS200 Series Pressure Reducing Regulators


Available Configurations
Stand-Alone Regulator, Non-relief, Internal Relief, Internal Pressure Registration, Secondary Seat, Secondary Seat with Bleed
Body Sizes and End Connection Style
3/4 , 3/4 x 1, 3/4 x 1-1/4, 1, 1 x 1-1/4 , 1-1/4 NPT
Maximum Inlet Pressure
175 psig / 12.1 bar
Outlet Pressure Ranges
3.5-inches w.c. to 2.0 psig / 9 mbar to 0.14 bar in eight ranges
Temperature Capabilities
-20 to 150°F / -29 to 66°C
Approximate Weight
8 Pounds / 4 kg


  • Wide Range of NPT Body Sizes and End Connections
  • Easy to Install and Maintain
  • Only Standard Tools Required for Pressure Adjustment and Orifice Removal
  • Fixed Factor Accuracy (PFM Approved)
  • Application Flexibility including Internal Relief, Non-Relieving, and Secondary Seat™ Protection
  • Secondary Seat Protection provides a secondary seating and disk surface in the event that damage to the primary disk or orifice seat or debris in the flow path inhibit lockup


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