I0428
• Air operated 1:1 ratio double diaphragm pump constructed with aluminum chambers and equipped with Buna-N diaphragms and balls or Santoprene® diaphragms with EPDM balls. • Air motor center section features aluminum construction with along life patented self lubricated Ekonol® ring spool valve utilizing a unique stainless non-centering spring and reset button. • Air inlet ball valve included with pump.