Since P K Saunders invented the original diaphragm valve in 1928 and founded Saunders Valve Co. five years later, Saunders® has led the way in providing solutions in industries where resistance to corrosion, abrasion, contamination, and trouble-free operation are imperative. Simplicity in design coupled with over 75 years of cutting edge innovation has resulted in the Saunders® diaphragm valve’s ability to handle a wider range of fluids than any other valve type. Our core competencies in rubber and polymer technology uniquely position us to truly manage 'The Science Inside' the valve.