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Stainless Steel DBB va e
Size:1/2"~48"
Pressure :Class150~Class2500
High Quality, fast delivery, long service life
DBB Ball Va e
Flange X NPT double block and bleed va es
DBB va e is also called DBB ball va e , its main functions : cavity excretion
in the body, the upstream and downstream seat at the seat should be cut off together, to ensure the safety when discharging.
Double block and bleed va es are suitable for : aviation kerosene, crude oil, light oil,
natural gas, Liquefied petroleum gas, piping gas, Chemical medium pipeline etc .
DBB va es are as the ideal device in cutting off medium. 
DBB va es, its whole double block and bleed manifold is responsible for
isolating primary in liquid and gas services. Designed for weight and saving space,
they can also be installed in a wide range of fields.
Sizes and different combination of units to satisfy all request .
DBB va e is a combination of three va es ,as a new kind of va e,
DBB va es have completely double balls to cut off medium, discharge pressure and loot ,
it is not only sealing reliable, and also saving the cost of manufacturing.