DUAL SLURRY AIR RELEASE VALVE (DSARV)
DUAL’s AirVacuum Release and Vacuum Breaker’s function is to automatically exhaust large volumes of air from the system when it is beingﬁlled and also to allow air to re-enter the pipe line when being emptied.The oriﬁce size is generally the same size as the valve inlet and outlet.
In operation,when the system If ﬁlled,the ﬂuld lifts the ball until it closes the oriﬁce.The oriﬁce will remain closed until the system is emptied. Air may enter the valve and displace the ﬂuid while the system is in operation, however, internal pressure will continue to hold the valve closed.The valve will not re-open until the system pressure drops to near atmospheric pressure and the ball is no longer buoyant.
- No blocking or leakage.
- No sticking due to rotating ball.
- Natural rubber secondary seal for positive seal.
- Fabricated and can be repaired in line.
- Self cleaning ball action.
- Cast body or fabricated.