The Selection of the type of discharge valve is dependent on the job it is expected to do.
Below is a listing of the most common vac system discharge decives with basic criteria for their selection.
Slide Gate Valves for Batch Discharge
These valves are used for batch discharging material from a vessel. Material collects untila high level is reached, the system is shut down, then discharged manually.
Click the link to read about the VORTEX clear action pneumatic gate valve. There are manual gate valves and many other special application batch discharge valves available.
Some materials bridge too easily ( like carbon black, paper fibers, wood chips), and an unusually large slide gate would be required. For these materials, use a continuous discharge device instead.
