Vacuum limiter is used to ensure that the side channel blowers transport air constantly. The air is used to cool the side channel blower inside.
At the same time the vacuum limiter = safety valve ensures that the side channel blower do not used too much power. The vacuum limiter is matched by the side channel blower capacity.
Product Features
Available in 2 versions: GVRL 6 and GVRL 8
GVRL 6 relief: 550m³ at 30,000Pa
GVRL 8 relief: 1,300m³ at 30,000Pa
GVRL 6 is made with 2” connection
GVRL 8 is made with 3” connection
GVRL is delivered with spring set that is adjusted to the operation area
Further data
Gram vacuum limiter/safety valve type GVRL is available in two versions: GVRL 6 and GVRL 8.
Both valves are adjusted by thread on the valve outlet side.
Both valves are delivered with spring set that is adjusted to the operation area.
The vacuum limiter may only used in frost-free and clean environments, since the air used for relief passes directly through the side channel blower.