Cryogenic Gate Valve(EXTENDED BONNET)

1.Design standard:API602,BS5352,ANSI B16.34

2.Connection ends

1)Socket weld end conforms to ANSI B16.11

2)Screw end conforms to ANSI B1.20.1

3)Butt-weld end conforms to ANSI B16.25

4)Flange end conforms to ANSI B15.5

3.Structure features:

Full port or reduce port on optional

Bolted bonnet with spiral wound gasket, also threaded and seal welded bonnet or threaed and pressure seal bonnet on optional

4.Material : A105, 304,316,LF2,F51,F11,F91,F321,MONEL alloy steel,etc.

5.Size range: 1/4 inch to 3 inch

6.Pressure rating: 150LB,300LB,600LB,800LB,900LB,1500LB,2500LB.

7.Main advantages:

1)a positive backseat, high quality packing material and improved stuffing box design ensure tighter stem seal.

2)The T-head stem design provides positive disc to stem connection and ensure well seat operation.

3)fully guided solid wedge reduce wear and tear of seat surface.

4)Rolled-in seat design ensure tight and effective seat assembly