The most common were.
Gate valve solid wedge vs flexible wedge.
In a cold steam system if a solid gate fits tightly between the valve seat when the steam is heated and pipes elongate.
Wedge gate valve our parallel slide gate valve design offers many advantages over double disc wedge gate valves in providing tight reliable shut off in water and steam service.
Solid wedge is the most commonly used disk by its simplicity and strength.
Flexible wedge gate valve.
Classification of gate valves.
29 old right road ipswich ma 01938 usa t 1 978 744 5690 f 1 978 741 3626 www global weir comparison parallel slide gate valve vs.
Chemicals oil gas power.
This problem overcome by using a flexible wedge gate valve.
These cuts vary in size shape and depth.
A valve with this type of wedge can be installed in each position and it is suitable for almost.
Velan pressure seal flexible wedge gate valves are ideal for high pressure steam main steam isolation liquid feedwater isolation catalytic reformers hydrocrackers and other tough services.
Weir valves controls usa inc.
Disks of a gate valve.
Split wedge or flexible wedge type gate valves are expected to perform better than solid wedge gate valves when thermal binding is a concern.
Because its design allows the gate to flex as the valve seat compresses it.
Elongation causes the seats to compress against the gate and clamp the valve shut.
Gate valves are available with a variety of disks.
The flex wedge valve has a single piece optimized gate design to provide minimized seat leakage.
Solid wedge flexible wedge split wedge or parallel disk.
The flexible wedge is a one piece solid disk with a cut around the perimeter.
Ranging of the gate valves is usually made by the type of wedge used.
Flexible wedge gate valves flex wedge.
Classification of gate valves is usually made by the type disk used.
Velan s proven pressure seal design.
A cast in recess or deeper and wider cut on wedge perimeter gives more flexibility but compromises the strength.
Flexible wedge gate valves flex wedge share.