... valve 1.19years experience 2.low leakagerate,high quality 3.OEM is welcome 4.CE High quality Anti-sweat worm gear butterfly valve Model ... valve:PN10/16 Applicable medium: water ,sea water, sewage , oil, air, weak acid and soda etc. Applicable temperature of electro valve ... .52.4 Seal test 1.11.76 Air Seal Test 0.60.6suitable medium Air, water, sewage, steam, gas, oil, etc. Drive ...