Supplier Fisher CS400IR Series Pressure Regulator
WWW.DISTRIBUTORALATINDUSTRI.COM | The Fisher CS400IR Series Pressure Regulator is a direct-operated, spring-loaded gas pressure reducing regulator designed for commercial and industrial natural gas distribution systems. It provides accurate downstream pressure control and incorporates an internal relief function to protect the system against overpressure conditions. The CS400IR model is suitable for applications requiring stable performance, high flow capacity, and reliable operation under varying load demands.
Supplier Fisher CS400IR Series Pressure Regulator
Key Features:
- Direct-operated, spring-loaded pressure reducing mechanism.
- Internal relief valve (IR) for downstream overpressure protection.
- Internal pressure registration for simple installation and maintenance.
- Available in multiple body sizes and end connections, including NPT, flanged, and ISO threaded configurations.
- Easy field conversion from internal to external sensing when required.
- Maintenance-friendly design requiring only standard tools for adjustment and servicing.
- Suitable for natural gas, LPG, and hydrogen-blended gas applications (up to 25% H₂ as standard, with 100% hydrogen options available).
Technical Specifications (Typical):
| Parameter | Specification |
|---|---|
| Manufacturer | Fisher (Emerson) |
| Model | CS400IR Series |
| Regulator Type | Direct-Operated, Spring-Loaded |
| Pressure Registration | Internal |
| Overpressure Protection | Internal Relief |
| Body Sizes | 1-1/4″, 1-1/2″, and 2″ |
| Maximum Operating Inlet Pressure | Up to 125 psig (8.6 bar) |
| Outlet Pressure Range | 3.5 in. w.c. to 5.5 psig (9–380 mbar) |
| Maximum Operating Outlet Pressure | 5.5 psig (380 mbar) |
| Maximum Casing Pressure | 25 psig (1.7 bar) |
| Temperature Range | -29°C to +66°C (-20°F to +150°F) |
| Body Materials | Gray Cast Iron, Ductile Iron, or Steel |
| Vent Connection | 1/4 in. NPT |
| External Registration Port | 3/4 in. NPT (convertible) |
Applications:
The Fisher CS400IR Series is widely used in:
- Commercial natural gas distribution systems.
- Industrial gas pressure reduction stations.
- Boiler and burner gas supply systems.
- Manufacturing facilities and utility plants.
- Secondary pressure regulation for large gas consumers.
- Applications requiring integrated overpressure protection without external relief devices
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