Product Compatibility: Butterfly valves have a Considerably broader material collection, due to the variety of fluids These are subjected to. Product 0310V/H Large Body Static Curtain Hearth Damper is UL accepted to be used in which neighborhood setting up codes call for the security of HVAC ductwork penetrations in partitions, https://dampersforindustrialsecto23345.blogchaat.com/37045836/rumored-buzz-on-dampers-for-industrial-sector