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14.1德國WTA止回閥
彈簧止回閥
德國WTA止回閥在直類型、引水系統(tǒng)或角落與法蘭和對焊;類型;可以提供碳鋼1.0619 /WCB,不銹鋼1.4408 / CF8M、低溫度/ LCB / 1.6220碳鋼LCC,特殊材料。不銹鋼鋼鐵凸輪異形涂閥蓋墊片與石墨,安裝在舌頭和槽閥蓋法蘭。金屬回座位與彈簧插頭,打開約的壓力。0.2條/ 2.9 psi
14.1 non-return valves
Spring loaded non-return valve with spring in straight type, y-type or corner type; with flanges or butt weld ends; can be supplied in carbon steel 1.0619/WCB, stainless steel 1.4408/CF8M, low temperature carbon steel 1.6220/LCB/LCC, and special materials. Stainless steel cam profiled bonnet gasket coated with pure graphite, mounted in tongue and groove bonnet flanges. Metal back seat with spring loaded plug; opening pressure approx. 0.2 bar/2.9 psi
