Fisher™ CSB400 Pressure Reducing Regulators
Fisher CSB400 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, as well as the option for internal, external, or dual pressure registration. In addition to application flexibility, the CSB400 Series offers multiple overpressure protection options to meet your demands on application requirements.
FeaturesIntegral True-MonitorSlam-shutDuctile Cast Iron and WCC Steel Bodies AvailableWide Variety of Body Sizes and End ConnectionsNo Special Tools for Pressure Adjustment and Orifice RemovalSpecificationsAvailable ConfigurationsStand-Alone Regulator, Non-Relief, Token Relief, Dual Pressure Registration, Internal or External Pressure Registration, Integral True-Monitor, VSX4 Slam-Shut ModuleBody Sizes and End Connection StylesDI: 1, 1-1/4, 1-1/2, 2NPT, Rp 1, 1x1-1/4, 1-1/4, 1-1/2, 2, Rp 1x2-1/4 GAZ, NPS 1-1/2/DN40, PN16, NPS2/DN50, CL125 FF, CL150 FF, PN10/16
ST: 1, 1-1/4, 1-1/2 NPT, Rp 1, 1-1/4, 1-1/2
Maximum Operating Inlet Pressure16 bar / 232 psigMaximum Emergency Inlet Pressure20 bar / 290 psigOutlet Pressure Range17 mbar to 3.0 bar / 6.8-inches w.c. to 43.5 psigMaximum Emergency Outlet Pressure (Casing)4.0 bar / 58 psigMaximum Outlet Pressure to Avoid Internal Parts Damage0.35 bar / 5.0 psig above outlet pressure settingMaximum Operating Outlet Pressure3.0 bar / 43.5 psigPressure RegistrationInternal or ExternalTemperature CapabilitiesAccording to PED Standards: -20 to 60°C / -4 to 140°F
Non-PED: -30 to 66°C / -20 to 150°F
Approximate WeightsThreaded Body:
Type CSB400: 4 kg / 9 Pounds
Type CSB403: 9 kg / 20 Pounds
Type CSB404: 5 kg / 11 Pounds
Flanged Body: Add 4 kg / 9 Pounds to weights listed
Type TM600 True-Monitor™ SpecificationsControl Press: 27-517mbar/11wc-7.5psi
Max Op Outlet Press Type TM600 on CSB403:517mbar/7.5psi
Vent:1/4 NPT
Ext Sense:1/4 NPT
CaseMaterial:AL
Press Reg: Ext
Type VSX4 Slam-Shut Module SpecificationsOPSO:43-3400mbar/0.62-49.3psi
UPSO:10-1500mbar/0.15-21.8psig
Vent:1/4 NPT
Ext Sense:1/4 NPT
Case Material: AL
Press Reg:Int or Ext
