Solid Wedge Gate Valve Pdf
The valves shall have a ductile iron body bonnet and o ring plate.
Solid wedge gate valve pdf. Valves shall conform to the latest revision of awwa standard c515 covering resilient seated gate valves for water supply service. Gate valves are used when a straight line flow of fluid and minimum flow restriction are needed. Flexible wedge gate valve. The flexible wedge is a one piece solid disk with a cut around the perimeter.
Gate valves fully guided wedge for wear reduction of seating surfaces. Image velan is a global leader in valve supply check their website for more product offerings. The seat rings are steel and makeup part of the valve trim. 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.
Double disc gate valves. The gate is usually wedge shaped. The seating surfaces are ground and lapped. Rotating disc gate valves.
To en 1092 1or gost face to face dimensions are acc. Connection to the piping flanged ends acc. Clow valve is a division of mcwane inc. The wedge which is solid design is forged or investment cast steel and is part of the valve trim.
Gate valves use a sliding plate within the valve body to stop limit or permit full flow of fluids through the valve. The wedge shall be totally encapsulated with rubber. They are pressed into the valve body and wedged into place forming a seal with the body. 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.
Scv valve manufactures superior cast body bolted bonnet os y gate valves in a variety of materials trims packing types sizes 2 thru 48 and pressure classes 150 thru 2500. Solid wedge gate valves are generally used in moderate to lower pressure temperature applications. 060512 class 150 carbon stainless steel wedge gate valves dimensions weights valve size nps 2 2 5 3 4 6 8 10 12 14 16 18 20 24 28 30 36 40 42 48 52 60. When the valve is wide open the gate is fully drawn into the valve bonnet.
The seating surfaces are ground and lapped. These cuts vary in size shape and depth. Solid wedge gate valves. To en 558 series 14 15 and 26 or gost welded ends acc.
Ta luft design on request. B 3 gate valves bolted bonnet gate valves basic configuration threaded and socket weld ends working pressure rating size standard design type a b c h weight figure nps dn mm in mm in mm in mm in kg lb asme 800. Special valve incorporated into the wedge external bypass use of solid wedge. The mechanical characteristics make the scv wedge gate valve are ideal for bi directional total flow system open shut off applications with.
Resilient seated gate valves.