Split Wedge Type Gate Valve

In general the two wedge gate valve sealing surface and the angle of the vertical center line of 2 52 3 30 5 8 and so on. The split disk can be in a wedge shape or a parallel disk type. Ranging of the gate valves is usually made by the type of wedge used.

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The disk is free to adjust itself to the seating surface if one half of the disk is slightly out of alignment because of foreign matter lodged between the disk half and the seat ring.

Split wedge type gate valve.

Split wedge gate valve. Split wedge gate valves have a compact design with body guided two piece gates that provide reliable operation and sealing. Zeco wedge gate valve is one of the gate valve types. Split wedge gate valves are self adjusting and self aligning gate valves.

Split wedge or parallel disks gate valve. Cast steel wedged gate valve for oil and gas industry disks of a gate valve. Nuclear conventional steam geothermal combined cycle. Wedge gate valves are named because the two sealing surfaces resemble wedges in the body.

Gate valves are available with different disks or wedges. In case one half of the disk is out of alignment. The most common were. You can see the same in images.

The valve trim consists of the stem the gate the disc or wedge and the seat rings. Pressure binding sometimes in high temperature applications the flow medium such as water or steam is trapped in the valve bonnet area when the valve is closed for system shutdown. The disc is free to adjust itself to the seating surface if one half of the disc is slightly out of alignment due to some foreign matter lodged between the disc and the seat ring. Split wedge disk consists of two solid pieces and holds together with the help of a special mechanism.

The disk is free to adjust itself to the seating surface. These are self adjusting and self aligning to both seating surfaces. These are the socket and ball design valves. Split wedge or flexible wedge type gate valves are expected to perform better than solid wedge gate valves when thermal binding is a concern.

Split wedge gate valves as shown in below figure are of the ball and socket design. Description of wedge gate valve.

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