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Your Location : Home » PRODUCTS » Ball Valve » Double Block And Bleed Ball Valve

Double Block And Bleed Ball Valve

Product name:Double Block And Bleed Ball Valve

Size: 1/2"-24"

Rating: 150LB,300LB,600LB,900LB,1500LB

Material: A105,WCB, LCB,LCC, WC6,WC9, C5,C12,C12A, CF8, CF8M, CF3, CF3M, CK20, CN7M, CD4MCu, CK3MCuN, Cu5MCuC, CN3MN, M35-1,B148 ect

Connection:RF Flanges,RTJ Flange,Butt Weld,Hub end,Groove

Operation: Hand lever, Gearbox, Penumatic Actuator, Electric Actuator, Hydraulic Actuator


Double Block And Bleed Ball Valve supplier


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 vented

6.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

11.Central Needle Vent Valve

12.Floating Metal or Soft Seat

13.Low Pressure Loss Through the valve

14.Low Actuation Torque


1.Design and Manufacture: API,DIN,BS,JIS,EEMUA

2.Pressure-temperature rating: ASME B16.34

3.Face to face(end to end):ANSIB16.10,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

6.Fire safe design:API607,API6FA

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