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Boss Products fire protection equipment for dust collection systems
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No Return Valve with locking mechanism, flanged ends, co-flanges, inspection/access door, grounding lug, and ATEX EN 16447 certification. Designed for clean/return air only. NFPA 652 and 654 compliant when activated by the spark detection system. Installation must respect the minimum distance requirement. Square to round transitions are available.
Many different sizes are available up to 75,000 CFM, 60" diameter/square
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