旋啟式止回閥
止回閥二種體蓋連接設計形式：第一種是體蓋螺栓連接鍛鋼止回閥，按這種連接形式設計的閥門，其閥體與閥蓋用螺栓連接，纏繞式墊片密封，優點是便于維修；第二種體蓋全焊密封鍛鋼止回閥，按這種連接形式設計的閥門，其閥體與閥蓋用螺蚊連接，全焊密封，優點是無泄漏。鍛鋼止回閥閥瓣形式還分別有截流形，針形，球形您可以根據實際情況合理選用我們的閥門。
Socket check valve body cover to connect the design of two kinds of forms: the first is a body cover bolt connection forged steel check valve, according to this form of connection of the valve, the valve body with the valve cover bolt connection, spiral wound gasket seal, the advantage of easy repair; the second body cover all welded seal forged steel check valve, according to this form of connection of the valve, the valve body with the valve cover with the screw thread connection, all-welded seal, the advantage of no leakage. Forged steel check valve is respectively cut manifold, needle, ball you can according to the actual situation of reasonable selection of our valves.
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