Gate valve with replaceable inserts and method of...

Details Gate valve with replaceable inserts and method of... Gate valve with replaceable inserts and method of...

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 3/314 (2006.01) F16K 3/02 (2006.01) F16K 27/02 (2006.01)

Patent

CA 2486471

A gate valve includes a valve body having a cylindrical passage defining a flow path through the valve, a gate for controlling fluid flow through the valve and a replaceable wear-resistant flow-path liner for in the flow path. The flow-path liner includes a plurality of replaceable wear-resistant inserts, including wear sleeves lining ports of the valve body, valve seats and a gate insert for a flow path bore through the gate. Each replaceable valve seat has a wiper ring for cleaning the gate when it opens and closes. By regularly inspecting and replacing worn-out inserts, the service life of the gate valve can be prolonged and the expense associated with replacing or rebuilding the valve body is avoided.

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