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Cast Iron Gate Valve
Cast Iron Gate Valve
Supplier Info
[China Supplier]
Contact Person : Mr. Wei Chenghe
Tel : 86-22-58316006
Fax : 86-22-58316008
Product Detail
Body: Cast Iron Lid: Carbon Iron Stem:Cast Steel Disc: Cast Iron

A gate valve, also known as a sluice valve, is a valve that opens by lifting a round or rectangular gate/wedge out of the path of the fluid. The distinct feature of a gate valve is the sealing surfaces between the gate and seats are planar, so gate valves are often used when a straight-line flow of fluid and minimum restric­tion is desired. The gate faces can form a wedge shape or they can be parallel. On opening the gate valve, the flow path is enlarged in a highly nonlinear manner with respect to percent of opening. This means that flow rate does not change evenly with stem travel. Also, a partially open gate disk tends to vibrate from the fluid flow. Most of the flow change occurs near shutoff with a relatively high fluid velocity causing disk and seat wear and eventual leakage if used to regulate flow. Typical gate valves are designed to be fully opened or closed.

Cast Iron Gate Valve

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