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Valve locations in diaphragm pump

Valve locations in diaphragm pump

Valve locations in diaphragm pump

(OP)
Hello,
Why are a diaphragm pump’s inlet and outlet reed valves located away from the center of the diaphragm?  I would think that the pump would be more efficient if the valves were near the center, where diaphragm deflection is largest.  Do you know of any relevant studies?

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