Cryogenic Gate Valve

Feature:

1.Bolted Lengthen bonnet, Threaded or welded seat ring

2.Full bore, OS&Y, Rising stem, Flexible wedge

3.Pressure relief hole on seat

4.Stainless Steel trim,Metal to Metal Seat

5.Low Permeability Nitrogen Test (-196 )

6.Low Temperature Design

7.Impact Testing per Heat No

8.X-Ray Radiographic Inspection per body

9.Expanded Stem

10.Bi-Direction Seal

11.Zero Leakage

Standard:

1.Design and Manufacture:ANSI B16.34,API600,API6D,API603,BS1414

2.Pressure-temperature rating: ASME B16.34

3.Face to face(end to end):ANSI B16.10,API6D

4.End Connection: 2″-24″ ASME B16.5; 26″ -42″ ASME B16.47; B.W end ASME B16.25

5.Test and inspection:API598,API6D