Explosion Isolation Valves are designed to be installed on bag houses dirty side ductwork to prevent the damaging effect of a dust collector explosion from returning to a building.  In most cases, these valves are part of a larger solution including a Control Panel, Micro Switch and ATEX Dust Level Sensor for NFPA 69-2014 compliance.
Operation

Yes, that voice on the phone when you dial US Tubing is a real, live person. It's amazing how many times we answer the phone and the caller stutters out, "Oh, I was expecting to leave you a message." Sure US Tubing has voice mail, but you're unlikely to ever reach it.

Leaks- the eternal problem of duct installers- especially those installing rolled lip ducting. I had the issues previously when I was at a competitor and so I was not surprised when after many years of competing I spoke to Steve McDaniel and David Kennedy and found that their experience was the same. After all, we were fierce competitors in the clamp-connect ducting industry. Then late last year, we sat down together and realized we’d all tried