The SFP 400-SN 31SH is a robust split-case centrifugal fire pump designed for high-performance fire protection applications. It features a frame-mounted design and a compact footprint, making it ideal for both new installations and retrofit projects. Built with heavy-duty materials including cast iron or ductile iron casing, and optionally bronze or duplex impellers, it ensures durability and reliable operation in demanding environments. The pump is thoroughly tested for both hydrostatic and performance standards to guarantee operational efficiency and safety. Its dynamically balanced double suction impeller reduces vibrations and enhances efficiency during firefighting operations.
| Feature | Specification |
|---|---|
| Type | Split Case |
| Frequency | 50/60 Hz |
| Casing Type | Volute Type Thru-Bore |
| Design | Frame-Mounted |
| Footprint | Small, Ideal for Retrofit |
| Wall Thickness | Heavy Duty |
| Testing | 100% Hydrostatic & Performance Tested |
| Impeller Type | Dynamically Balanced Double Suction |
| Casing Material | Cast Iron / Ductile Iron (options) |
| Impeller Material | Bronze / Duplex (upon request) |
| Shaft Material | Alloy Steel / Stainless Steel / Duplex (upon request) |
| Capacity Range | 150 GPM to 3500 GPM |
| Pressure Range | 88 to 335 PSI |
| Max. Working Pressure | 220 to 410 PSI |
| Speed Options | 2900, 3000, 3500, 3600 RPM |
| Model Number | SFP 400-SN 31SH |
| Rated Capacity | 400 GPM |
| Flange Size (Suction x Discharge) | 6 x 4 inches |
| UL Listed Rated Net Pressure Range | 225 – 314 PSI (2900 RPM), 238 – 332 PSI (3600 RPM) |
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