Ipt 2mp7zr two-stage high pressure/fire pump this pump includes precision cast high efficiency impellers to maximize performance and pressure. Cast iron diffusers for durability and extended life. Aluminum construction and heavy duty powder coated steel frame allows portability for use in many applications. Built-in flapper/check valve and wrench for easy service of the pump. This unit is ideal for fire protection, emergency fire fighting, washdown and ag/sprinkler applications. 2″ nptm cast iron suction port three-way cast iron discharge port includes- (1) 1 1/2″ nptm (2) 1″ nptm sic/sic mechanical seal w/fkm epdm o-rings & gaskets meets or exceeds us coast guard fire pump performance requirement as specified by 46 cfr 27.301. note: dimensions are in inches and have a tolerance of +/- 1/8″.