No Return Valve (Combo/Metal)

No Return Valve with flanged inlet and outlet with co-flanges, manual locking mechanism, inspection/access door, grounding lug, welded steel construction, epoxy powder coat safety red finish, class ST3, KST 325 max, certified ATEX, organic dust. (NRVM – includes metal dust, KST 400 max) Note: The No Return Valve requires a dust level sensor (link to product page: Dust Level Sensor) and a control panel (link to product page: CP05 Control Panel) to be compliant to NFPA requirements. If you do not already have these components, please add them to your purchase.