The collector was shipped with the pilot solenoid boxes being shipped separately. The service engineer came to start up the collector. When the compressed air was piped up and the main valve opened, the pressure would not build up in the manifold. Examination of the piping revealed that the wrong ports in the solenoid valves [...]
Some people have used Quenchers, and other style spark arrestors in plasma and laser cutting applications but still experienced fires in their dust collectors. In the majority of cases, the Quencher alone is sufficient to control dust collector fires. However, in some isolated cases, sparks are only one issue to deal with these applications. A [...]