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Protek Specialty Co.
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Model HP900 & HP700 - Hand Diaphragm ...

Model HP900 & HP700 -Hand Diaphragm Pumps

FromProtek Specialty Co.

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The Hand Diaphragm Pump (HP) is a single-chamber air and liquid pump. The chamber has 2 opening flapper valves for suction and discharge. The diaphragm is actuated by the fulcrum handle bracket, air and/ or liquid is pulled into the chamber through the suction valve and expelled through the discharge valve. The Protek Hand Pump (HP) is portable, lightweight, and dependable.

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Ideal for priming pumps or as portable pump.
Large inlets allow transfer of many types of liquids.
Upon request, unit can be provided with a wooden base to optimize stability for tough primes.
Easily delivers up to 30 GPM.
Maximum leverage design facilitates easier pumping.

Insert handle into fulcrum, making sure that fulcrum and handle holes align before inserting the fulcrum pin.
Place pump on a solid foundation that is as close as possible to the fluid that is going to be pumped. (This positioning should make the suction line as short and direct as possible.)
Attach suction pipes to the suction inlet and to the discharge outlet.

Suction line must be sloped upward in order to provide continual feed into the pump.

To extend diaphragm and valve life, flush the pump with water after each use.
Replace the diaphragm and valves that show signs of wear, cracking or corrosion.