Worm Drive Double Block Ball Valve

We are offering worm drive double block ball valveworm drive double block ball valve,
double block and bleed ball valve is also called dbb ball valve, which is the ideal equipment in cutting off medium. And it is not only sealing reliable, and also saving the cost of manufacturing.
double block and bleed ball valve main parameter
nominal diameter : 100mm-600mm
nominal pressure : 1500lb-2500lb , 1.6mpa-32mpa
connection type : flange
material ：cs, ss
driving means : worm gear , electric , pneumatic .
double block and bleed ball valve feature
1. Double block and bleed ball valves, which is the ideal equipment in cutting off medium, are widely used in hydraulic system pipeline of power, petrochemical , metallurgy , marine , petroleum , natural gas , coal gas , pharmaceutical and other industries.
2. Double block and bleed ball valve is also called dbb ball valve , dbb ball valve is a new kind of valve, it has completely double balls to cut off medium, discharge pressure and loot , designed for reducing weight and saving space, simplified installation procedure ,reduce pressure in a pipeline system, convenient instrument cleaning and maintenance . It is not only sealing reliable, and also saving the cost of manufacturing.