PM2 series air operated piston pumps. Low pressure pump, specially protected against corrosion, suitable for high flow transfer of glycol-based refrigerants (pure or diluted in water) through hoses or piping circuits, with hose reels and meters. Designed for mounting on a drum or tank, for direct connection or wall mounting using the appropriate fluid suction accessories. Includes 2 ”(M) adapter. The state-of-the-art design and materials used guarantee high performance with low energy consumption. Pneumatically actuated reciprocating motor, differential type, maintenance free. Double acting pump piston. Nickel plated pump on all wetted metal parts and acetal valves. Instruction book: 860814.