... for valves industrial EPDM rubber diaphragm for valve Product Namerubber diaphragm for valveCertificateISO9001:2000Country of OriginChinaAdvantageA. Ozone ... your orderApply forAuto, motorcycle, machinery, water pumps, valves, etcPackingInner packing is by plastic bag outer packing ... by ourself. 7)Responds very well with resistance to ozone, high temperatures, oxygen, mineral oil, synthetic hydraulic ...