The 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.

Maximum inlet pressure is 125 psig (8.6 bar) with outlet pressure ranges from 3.5 inches w.c. to 5.5 psig (9 to 390 mbar) in eight selectable ranges. Temperature capability is -20 to 150°F (-29 to 66°C). The series is validated for hydrogen service and features Fixed Factor/Pressure Factor Measurement (PFM) accuracy capabilities.

The CS400 Series is suitable for commercial and light industrial applications requiring precise pressure reduction. The multiple outlet pressure ranges and registration options allow for configuration flexibility to meet specific application requirements.