DIAPHRAGM METERING PUMP HAVING A DEGASSING SYSTEM
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United States of America Patent
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Issued Date -
Feb 27, 2014
app pub date -
Aug 27, 2012
filing date -
Aug 27, 2012
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Abstract
A diaphragm metering pump includes a pump body having a head portion including a suction side and a discharge side defining a flow path. A valve seat is arranged at one of the suction side and the discharge side, and a check valve is arranged at the valve seat. A degassing system includes a check valve actuator operatively connected to the check valve. The check valve actuator is selectively activated to unseat the check valve from the valve seat to allow gases trapped in the head portion to pass through the discharge side.
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