Split Wedge Type Gate Valve

Nuclear conventional steam geothermal combined cycle.

Split wedge type gate valve.

Wedge gate valves are named because the two sealing surfaces resemble wedges in the body. Cast steel wedged gate valve for oil and gas industry disks of a 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. You can see the same in images.

The disk is free to adjust itself to the seating surface. Description of wedge gate valve. The most common were. These are self adjusting and self aligning to both seating surfaces.

Split wedge or flexible wedge type gate valves are expected to perform better than solid wedge gate valves when thermal binding is a concern. The valve trim consists of the stem the gate the disc or wedge and the seat rings. Split wedge or parallel disks gate valve. Split wedge 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. In case one half of the disk is out of alignment. Split wedge gate valves have a compact design with body guided two piece gates that provide reliable operation and sealing. Gate valves are available with different disks or wedges.

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. 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 gate valves are self adjusting and self aligning gate valves. Zeco wedge gate valve is one of the gate valve types.