Fire Fighting Water Pumps
- Water Pumps Sizes are selected to suit the size of the lling building and the number of tanks and driven electric or diesel engine.
- All interior bolt and screw exposed to pumped liquid shall be made of rolled bronze or corrosion resistant material.
- The pump shall be provided with automatic air-release valve, circulation relief valve and pressure gauges.
- Bearings shall have an L-10 rating of not less than 5000 hours at maximum load.
- The pumps shall be provided with at least four packing rings plus a lantern ring. The lantern ring may be permitted to replace one ring of packing.
- Impellers, wear rings, shafts, lantern rings, glands shall be made of corrosion resistant material.
Technical Properties
- Capacity: 200-250-300-400-450-500 GPM
- Head: up to 150 PSI
- Speed: up to 3000 rpm
- Casing Pressure (Pmax): 16 bar
| Part | Definition | DIN 17007 | EN-DIN | ASTM |
| Casing | Ductile Iron | 0.7040 | GGG 40 (GJS-400-15) | A536 Gr. 60-40-18 |
| Impeller | Cast Bronze | 2.1050.01 | G-CuSn 10 | B584C90700 |
| Shaft | Stainless Steel | 1.4021 | X20 Cr13 | A276 Type 420 |
| Shaft Sleeve | Stainless Steel | 1.4401 | X5 Cr Ni Mo 17-12-2 | A276 Type 316 |
