Brass Vacuum breaker BVB 40-16

Working Range: BVB 40-16 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.

Function: In liquid line, vacuum sometimes is occurred. This event causes to inappropriate 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 damages. This valve is designed for general application in condensing vapor or liquid system and other related vessels. Produced vacuum pushes shot upward inside the BVB 40-16 and air input orifice is opened and sucked up the air. After balancing inside and outside pressure of tanks, the shot returns to its own position and close the orifice. vacuum breaker is used in tanks, boiler pipes, nutrition lines of boiler, condense discharge lines, charge or discharge line of tanks and etc.

Installation:

Vacuum breaker should be installed from “½ connection on the system vertically.