Pressure Reducing Regulator

Fisher™ CS400 Pressure Reducing Regulators

Fisher CS400 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 CS400 Series offers multiple overpressure protection options to meet your demands on application requirements.

Features

• Wide Variety of Body Sizes and End Connections
• Fixed Factor / Pressure Factor Measurement (PFM) Accuracy Capabilities
• Field Convertible from Internal Sensing to External Sensing for Wide-Open Monitor Construction
• Available in Gray Cast Iron, Ductile Iron, and Steel Body Materials
• Only Standard Tools Required for Pressure Adjustment and Orifice Removal
• Easy to Maintain

Specifications

Available ConfigurationsStand-Alone Regulator, Non-relief, Token relief, Internal or External pressure registration, Integral True-Monitor, VSX4 Slam-Shut Module
Body Sizes and End Connection StylesGray CI: 1-1/4, 1-1/4x1-1/2, 1-1/2, 2 NPT, NPS2/DN50, CL125 FF
DI: 1-1/4, 1-1/2, 2NPT, Rp 1-1/4, 1-1/2, 2, NPS2/DN50, CL125 FF, CL150 FF, or PN10/16
ST: 1-1/4, 1-1/2 NPT, Rp 1-1/4, 1-1/2
Maximum Operating Inlet Pressure125 psig / 8,6 barOutlet Pressure Range3.5-inches w.c. to 5.5 psig / 9 to 380 mbar in nine rangesMaximum Emergency Outlet Pressure (Casing)25 psig / 1,7 barMaximum Outlet Pressure to Avoid Internal Parts Damage5 psi / 0,34 bar over set pointMaximum Operating Outlet Pressure5.5 psig / 380 mbarPressure RegistrationInternal or ExternalToken ReliefCg = 67Temperature Capabilities-20° to 150°F / -29° to 66°CApproximate WeightsThreaded Body:
Type CS400: 9 Pounds / 4 kg
Type CS403: 18.5 Pounds / 8 kg
Type CS404: 11.2 Pounds / 5 kg
Flanged Body: Add 8.6 Pounds / 4 kg to weights listed
Type TM600 True-Monitor™ SpecificationsControl Press: 11wc-7.5psi/27-517mbar
Max Op Outlet Press TM600 on CS403:7.5psi/517mbar
Vent:1/4 NPT
Ext Sense: 1/4 NPT
Case Material: AL
Press Reg: Same as RegulatorType VSX4 Slam-Shut Module SpecificationsOPSO:10wc-19psi/25-1300mbar
OPSO/UPSO:
   OPSO:0.73wc-8.7psi/50-600mbar
   UPSO:4wc-7.3psi/10-500mbar
Vent:1/4 NPT
Ext Sense:1/4 NPT
Case Material:AL
Press Reg:Int or Ext