Double Block And Bleed Ball Valve
Short Description:
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
Product name:Double Block And Bleed Ball Valve
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 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
Standard:
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
