Brand: Yueshui valve disc form: ball type use: check valve standard: national standard specification: 4 "DN15 80g, 6" DN20 120g, 1 "DN25 155g, 1.2" DN32 290g, 1.5 "DN40 390g, 2" DN50 620g, 4 "DN15 105g, 6" DN20 130g, 1 "DN25 170g, 1.2" DN32 385g, 1.5 "DN40 560g, 2" DN50 840g, 2.5 "DN65 1500g, 3 "DN80 structure type: lifting applicable industry: water conservancy can be equipped with accessories: spring sealing mode: soft sealing function type: vertical valve disc quantity: single valve structure flow direction: one-way temperature environment: normal temperature shape: vertical action mode: single action function function: slow-closing valve function: check type (channel position): right-angle sealing material: brass lining material: copper driving mode: hydraulic control pressure environment: atmospheric pressure applicable medium: water








