... valve,Stainless steel diaphragm valve,Sanitary quick-installed diaphragm valve, triplet diaphragm valve, Pneumatic Diaphragm valve,,Stainless steel diaphragm valve,Sanitary quick-installed diaphragm valve, triplet diaphragm valve ... our valve bodies are made of 1.4404 (316L),3) Seal Ring: Soft elastomer EPDM diaphragms,PTFE diaphragms,Two-piece PTFE,Bonded PTFE/EPDMOrderingThe ...