Pk the creation of saunders marked the diaphragm valve concept pk saunders invented and patented the diaphragm valve concept long before the emergence of the life science industry. However, The design features present in the original weir type diaphragm valve remain the reasons the sanitary diaphragm valve is identified as the valve of choice for aseptic applications. Aseptic diaphragm valves are supplied into critical process applications in the global marketplace most closely regulated industries. Full compliance to all relevant global standards serves as a crucial component element pertaining to the item and cannot be taken for granted. Saunders complies with all applicable global standards for diaphragm valves in the life including fda, Science market cfr 177. 1550 ptfe, 177. 2600 elastomer usp class vi,, Traceable complying with en 10204 specifications 3. 1 3a certification animal derived component free adcf asme bpe testing to bs en 12266, 1 iso 9001 ce and ped 97/23/ec