The SFP 450-SN 31SH is a split-case centrifugal fire pump designed for efficient performance in fire protection systems. It features a frame-mounted design and a small footprint, making it suitable for retrofit applications. Built with a robust casing of cast iron or ductile iron and a dynamically balanced double suction impeller (available in bronze or duplex upon request), this pump is engineered for heavy-duty use. It undergoes rigorous testing for both hydrostatic and performance standards to ensure reliability under pressure. Operating at speeds of 2900 and 3600 RPM, it provides flexibility to meet varying firefighting requirements.
| 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, 3600 RPM |
| Model Number | SFP 450-SN 31SH |
| Rated Capacity | 450 GPM |
| Flange Size (Suction x Discharge) | 6 x 4 inches |
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