COS series Horizontal Split Case Fire Pumps are engineered for reliable operation upon demand. All fabricated parts are standardized and accurately machined for true alignment, increasing overall durability. Precision balancing of all rotating components provides mechanical dependability, reliable operation and minimal maintenance.
Features
1. All fire pumps and accessories are engineered to meet all applicable code, including UL448/FM1311, NFPA20.
2. Whether your fire pump application requires an electric motor or a diesel engine, vertical or horizontal orientation, these industry-approved pumps can be configured to meet your specific needs.
3. These pumps are designed to operate with pressures from 5 Bar to 20 bar, even in excess of 22 bar and flows from 500 gpm to 5000 gpm.Parameters
Flow: 500 - 5,000 gpmHead: 5-22 bar
Outlet Dia.: 80-300mm
Working Pressure: ≤ 3.5Mpa
Solid Particle: ≤ 80mg/L
Liquid Temp.: 0ºC-60ºC
Materials of Construction
| No. | Parts Name | Standard Material | Optional Material |
| 1 | Sealing Pipe Parts | S.S304 | |
| 2 | Pump Casing | Ductile Iron QT500 | |
| 3 | Coupling Cover | Steel Q235 | |
| 4 | Wearing Ring | S.S420(2Cr13) | S.S304 |
| 5 | Protecting Cover | Steel Q235 | |
| 6 | Shaft | Alloy Steel 40Cr | |
| 7 | Bearing Resist Sleeve | S.S304 | |
| 8 | Coupling Device | Cast Iron HT250 | |
| 9 | Bearing Parts | NSK or Equivalent | |
| 10 | Bearing Housing | Cast Iron HT250 | |
| 11 | Shaft Sleeve | S.S304 | |
| 12 | Impeller | S.S420(2Cr13) | S.S304 |
| 13 | Gland Packing Seals | PTFE | |
| 14 | Pump Body | Ductile Iron QT500 |
