557 Manual Offset Drive Side Inlet Pump - Aluminum (55712)
Model 557 Lever Action Side Inlet Pumps are identical to the Model 117 pumps with the added feature of the offset drive. This feature is useful when mounting the pump in an enclosure or behind a wall. It is also helpful when overhead clearance is limited. Size 30 Pump - Aluminum - 2" Inlet & Discharge - Nitrile Diaphragm and Valves.
Special Viton and EPDM diaphragm and valves available upon request. 1.5" diameter intake and discharge hoses also available, but 2" diameter is recommended.