CS400 Series

Fisher Regulator
Commercial Low-Pressure Regulators

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 Configurations:
  Stand-Alone Regulator, Non-relief, Token relief, Internal or External pressure registration, Integral True-Monitor, VSX4 Slam-Shut Module
• Body Sizes and End Connection Styles:
  Gray CI: 1-1/4, 1-1/4×1-1/2, 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 Pressure: 125 psig / 8,6 bar
• Outlet Pressure Range: 5-inches w.c. to 5.5 psig / 9 to 380 mbar in nine ranges
• Maximum Emergency Outlet Pressure (Casing): 25 psig / 1,7 bar
• Maximum Outlet Pressure to Avoid Internal Parts Damage: 5 psi / 0,34 bar over set point
• Maximum Operating Outlet Pressure: 5 psig / 380 mbar
• Pressure Registration: Internal or External