The SFP 500-40SM is a split-case centrifugal fire pump, meticulously engineered to meet the rigorous demands of fire protection systems. Operating at 50/60 Hz, it features a volute type thru-bore casing that enhances its efficiency and performance. The pump’s frame-mounted design and compact footprint make it an ideal choice for retrofit installations. Built with heavy-duty materials and featuring a robust wall thickness, it ensures durability and long service life. Each unit is subjected to 100% hydrostatic and performance testing, guaranteeing reliability and performance under critical conditions. The dynamically balanced double suction impeller, constructed from bronze or duplex (upon request), ensures smooth operation and reduces vibrations. The casing is made of cast iron or ductile iron, while the shaft can be tailored from alloy steel, stainless steel, or duplex, based on specific requirements. With a capacity ranging from 150 GPM to 3500 GPM, and pressure capabilities between 88 and 335 PSI, the SFP 500-40SM is designed to handle various firefighting applications. It can operate at speeds of 2900, 3000, 3500, and 3600 RPM.
| 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 |
| 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 500-40SM |
| Rated Capacity | 500 GPM |
| Flange Size (Suction x Discharge) | 6 x 4 inches |
| Capacity at 2900 RPM | 204 – 284 GPM |
| Pressure at 2900 RPM | 385 PSI |
| Capacity at 3000 RPM | 219 – 304 GPM |
| Pressure at 3000 RPM | 385 PSI |



















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