The installation of an Explosion Isolation device on all suction side ducts that transport material with a Kst value above zero is an NFPA Requirement.

Installing a No Return Valve Combo/Metal will protect workers and facilities from the damaging effect of a baghouse or filter explosion.

The No Return Valve Combo/Metal is designed for use with High Speed Abort Gates, Fire Break Shutters, Raptor Spark Detection & Extinguishing Systems, and Energy Management Systems.