Split Wedge Type Gate Valve

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 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. Split wedge gate valve. Wedge gate valves are named because the two sealing surfaces resemble wedges in the body. 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.

Ranging of the gate valves is usually made by the type of wedge used. 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. Description of wedge gate valve. The disk is free to adjust itself to the seating surface.

Gate valves are available with different disks or wedges. Split wedge gate valves are self adjusting and self aligning gate valves. These are the socket and ball design valves. Split wedge disk consists of two solid pieces and holds together with the help of a special mechanism.

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 or parallel disks gate valve. These are self adjusting and self aligning to both seating surfaces. Cast steel wedged gate valve for oil and gas industry disks of a gate valve.

The most common were. Split wedge gate valves as shown in below figure are of the ball and socket design. The valve trim consists of the stem the gate the disc or wedge and the seat rings. Nuclear conventional steam geothermal combined cycle.

Zeco wedge gate valve is one of the gate valve types. The split disk can be in a wedge shape or a parallel disk type.