Heavy Duty Flap (SA) Pumps are recommended for abrasive slurries, suspended and non-suspended solids and line size solids requirements. HDF feature:

• All HDF pumps are configured in bottom discharge porting arrangements
• Thick wall constructed of Sand Casted Aluminum, Cast Iron and Stainless Steel w/elastomer
• TPE (thermal plastic elastomers) and PTFE options in diaphragms and check valves
• Enhanced with an extended wear package
• Hinged flap check valves
• Solids range +1" (25mm) to 3" (76mm)
• Dry primes up to 24 feet of water

The SA Series Pumps with flap type check valves handle line-sized solids. Bottom discharge porting arrangement utilizes the natural effect of gravity. This significantly reduces/eliminates the build-up of solids in the product chambers and avoids diaphragm connecting rod damage associated with other air operated pumps.

SANDPIPER® Pumps gently move delicate materials through its flap valves with less product degradation other pump types featuring rotors and lobes