These fire pumps are designed and manufactured according to Standard No. 20 of the National Fire Protection Association (NFPA) of the USA.
US-based Underwriters Laboratories Inc. (UL) is an independent product safety certification body that sets standards for product reliability and tests the reliability of materials, products, structures, facilities, processes or systems based on these standards. UL offers test and certification services to its customers with its 170 laboratories located in 125 countries.
Founded in 1835, the US-based FM Global (Factory Mutual Insurance Company) is an international insurance company that provides title insurance and risk management solutions. a product or service complies with the standards of FM Approvals, then the product is marked with “FM APPROVED”. A total of 45,000 types products and systems have been certified by FM so far, and these products are published in FM Approval Guide at www.approvalguide.com, which is the official website of FM.
| 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 |
| 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 |
