The D.B.B Ball valve is made of two balls and two seats and one needle valve,bottom of body have drain valve.
Using Forging material , one piece, two piece, three piece structure.
Both side is flange ends, one side is sw ends one side is flange ends. both side is RTJ ends.
Can sampling , save install time and purchase cost .not easy to leaking
DBB Ball Valve( DOUBLE BLOCK AND BLEED VALVE)
Double block and bleed ball valve are dsigned in order to replace the multiple valves connection complex forms in traditional pipeline.Reduce the leakage in system to achieve quickly bleed. close function.Double block and bleed ball valves maxmium save installation space and simplied installation program.Cut down the pressure in piping system.Convenient instrument Cleaning maintenance and reduce the costs.
Full Bore Design
Bolt Bonnet Split Body
Three Piece Body
Trunnion Mounted Ball Valve
Blow out proof stem
Fire Safe construction
● Gearbox Operated
● Electric Actuators
● Pneumatic Actuators