Fire Pumps Complying NFPA 20 Standard

Fire Pumps Complying NFPA 20 Standard

DOCUMENTS

These fire pumps are designed and manufactured according to Standard No. 20 of the National Fire Protection Association (NFPA) of the USA.

PUMP FEATURES
Pump Body Split Case or Back Suction Type
Pump Body Material GG25 or GGG40 Cast Iron
Impeller GG25 Cast Iron or Bronze (CuSn7)
Shaft AISI 420 Stainless Steel
Sealing Gland Packing or Mechanical Seal
TECHNICAL FEATURES
Closed Valve Pressure Should not be more than 140% of the nominal pressure
Maximum Load Minimum pressure at 150% flow rate should not be lower than 65% of the nominal pressure
Suction Collected Water Flowrate Should not be less than 3 m/s