Ggg50 100mm 4inch Cast Iron Soft Seal Rubber Seat Water Din Gate Valve product description Gate valves are used to shut off the flow of liquids, not to regulate flow. When fully open, a typical gate valve has ... Подробнее
Dn100 Dn200 Soft Sealing QT450 Gate Valve Underground Soft Seal Elastic Seat Seal product description Cast iron gate valve is a relatively common valve in actual working conditions. It is not only cost... Подробнее
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