VB-1501 vacuum breaker is useful device to remove vacuum and to prevent changing in the form of system, nominal pressure is PN16 and has NPT or BSP screwed connection, size is 1/2" and working temperature is 260°C.
Vacuum Breaker VB15-02
In liquid line, vacuum sometimes is occured. This event causes to appropriate movement of liquid and decrease efficiency of system or during draining liquid from tank, vacuum is usually happened and it can cause to deform tanks under pressure or stop discharge so, vacuum breaker is appropriate piece to safe system and lines from this kind of damage.
Vacuum breaker should be installed from "½ connection on the system vertically.