miniature diaphragm pumps

Factory adjustable stroke volume minimizes noise and power consumption while prolonging motor life.Made in USA with shorter lead times, custom design assistance and engineering support.Patented design will not generate debris on inside of diaphragm which will foul internal and downstream valves (U.S. Pat. #4,936,758).Patented internal valve design minimizes back leakage (U.S. Pat. #5,017,100).Internal air filter, oiless and maintenance free.Choice of DIAPHLEX" long life diaphragm material or Neoprene. Performance:Maximum Flow 2.7 Liters Per Minute Maximum Pressure 15 PSI Maximum Vacuum 21 In Hg