Blastrac 1-7D - Abrasive Valve

1-7D Operating Instructions
General
3.7 Abrasive valve
Between the abrasive storage hopper and the feed spout there is a
valve incorporating a permanent magnet in order to control the abrasive
flow towards the blast wheel. Any change in the opening of the
magnetic valve causes the amount of abrasive fed to the blast wheel to
change. The valve is hand-operated and can be set to each amount of
abrasive throughput by changing the handle position. The optimum
blast cleaning performance is achieved when the actuating lever is
pulled up to the stop and the magnetic valve is opened up to it’s vertical
position.
2
3
5
1
4
Fig. 3.6
1 Feed spout
2 Magnetic valve
3 Valve lever
4 Abrasive control cable
5 Plunger
7