STANDART SNK FIRE PUMPS Design Features According to UL & FM :
- All interior bolt or screw that are exposed to pumped liquid shall be 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.
- Following material specifications are applied to STANDART UL/FM fire pumps:
Descriptions
- Horizontal single stage, end suction centrifugal pumps with closed impeller.
- UL Listed and FM Approved.
Specification
Discharge Flange : DN 50…..80 mm
- Capacity : 200……500 GPM
- Head : 84 to 150 PSI
- Speed : Up to 3000 rpm
- Casing Pressure ( Pmax ) : 16 bar
Material
- Casing : Ductile Cast Iron
- Impeller : Bronze
- Shaft : Stainless Steel
Shaft Sealing
- Soft packing seal
Certification
- UL Listed, FM Approved, EN ISO 9905, CE, GOST-R