Diaphragm Pumps
2021-9-30u2002·u2002Lagoa reciprocating pump principle. The Lagoa reciprocating pump is composed of a membrane which is connected to a piston. Its alternating movement successively fills and empties the pumphead. As illustrated in the diagram below: The backward movement of the membrane opens the bottom check valve to allow entry of the fluid, which fills the pumphead
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