Split Wedge Type Gate Valve

Split wedge disk consists of two solid pieces and holds together with the help of a special mechanism.

Split wedge type gate valve.

Gate valves are available with different disks or wedges. Wedge gate valves are named because the two sealing surfaces resemble wedges in the body. These are the socket and ball design valves. 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 gate valve. 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 most common were.

Nuclear conventional steam geothermal combined cycle. 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 case one half of the disk is out of alignment. Ranging of the gate valves is usually made by the type of wedge used.

These are self adjusting and self aligning to both seating surfaces. The valve trim consists of the stem the gate the disc or wedge and the seat rings. Cast steel wedged gate valve for oil and gas industry disks of a 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.

You can see the same in images. The disk is free to adjust itself to the seating surface. Split wedge or flexible wedge type gate valves are expected to perform better than solid wedge gate valves when thermal binding is a concern. Description of wedge gate valve.

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 gate valves as shown in below figure are of the ball and socket design.