Split Wedge Type Gate Valve

Nuclear conventional steam geothermal combined cycle.

Split wedge type gate valve.

Split wedge disk consists of two solid pieces and holds together with the help of a special mechanism. Wedge gate valves are named because the two sealing surfaces resemble wedges in the body. These are self adjusting and self aligning to both seating surfaces. Description of wedge gate valve.

Split wedge gate valves are self adjusting and self aligning gate 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 or parallel disks 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.

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. You can see the same in images. The most common were.

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 valve trim consists of the stem the gate the disc or wedge and the seat rings. Split wedge gate valves have a compact design with body guided two piece gates that provide reliable operation and sealing. The disk is free to adjust itself to the seating surface.

These are the socket and ball design valves. 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. Gate valves are available with different disks or wedges. Ranging of the gate valves is usually made by the type of wedge used.

The split disk can be in a wedge shape or a parallel disk type. In case one half of the disk is out of alignment.