GMK Valve Manufacture Co., Ltd.

Product name:Double Block And Bleed Ball Valve
Size: 1/2"-24"Pressure: 150LB,300LB,600LB,900LB,1500LBMaterial: A105,WCB, LCB,LCC, WC6,WC9, C5,C12,C12A, CF8, CF8M, CF3, CF3M, CK20, CN7M, CD4MCu, CK3MCuN, Cu5MCuC, CN3MN, M35-1,B148 ect
Connection: Flanges,RTJ Flange,Butt Weld,Hub end,Groove
Operate: Hand lever, Gearbox, Penumatic Actuator, Electric  Actuator, Hydraulic Actuator

Feature:
1,Double block and bleed design(DBB)
2,Floating ball or Trunnion mounted ball
3,With two ball and one bleed valve, Anti-blow out stem
4,Dual ball is a necessary requirement when maintenance is taking place down stream of the first isolation valve,
5,Cavity venting is provided by either two balls or globe OS&Y vent relief valve so that the pressure between the two isolation valves can be safely vented6,Full Port Or Reduced Bore
7,Light weight,In case of large production can greatly enhance the work efficency.
8,Fire safe design and Anti-Static device.
9,ISO 5211 mounting design upon request
10,NACE MR-01-75

Standard:
Design and Manufacture: API,DIN,BS,GB,JIS,EEMUA
Pressure-temperature rating: ASME B16.34
Face to face(end to end):ANSIB16.10,API6D
End Connection: 2"-24" ASME B16.5; 26" -42" ASME B16.47; B.W end ASME B16.25
Test and inspection:API598
Fire safe design:API607,API6FA

Structure: