dn100 muffler Check valve double flange no return valve The muffler check valve is a kind of valve that automatically opens and closes the valve flap with the flow movement of the medium itself to prevent the ... Подробнее
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Rubber Flap Swing Check Valve German Stand Ductile Iron GGG50/GGG40/QT450/QT400 PN16 DN150(SFCV)For Water Gas Oil product description The check valve is a valve used to prevent the backflow of the medium, the ... Подробнее
PN16 DN100 Manual Vertical And Horizontal One-Way Flow Backstop Ductile Iron Flange Muffler Check Valve product description Muffler check valve refers to the valve that automatically opens and closes the valve ... Подробнее
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