SDS UL/FM

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
  Technical Information
  

  Discharge Flange	ANSI B16.1 Class 250
  Operating Temperature (°C)	up to 40 °C
  Speed	up to 3000 rpm