Double Flange Hard Seal Butterfly Valve

Description:
The hard seal butterfly valve adopts three-eccentric valve seal structure, 
which ensures the reliability of the butterfly valve. The valve seat and disc
has almost no wear and has the tight seal function. Sealing ring chooses 
stainless steel with metal hard seal and elastic seal advantages. Whether
in low temperature or high temperature circumstances, this hard seal 
butterfly valve still has excellent seal performance.The metal hard sealing
butterfly valve is typically applied to power station heating system, FCC main
air blower piping system, cutting off industrial pipelines of steel, metallurgy,chemical, etc. Customers can choose manual or electrical driving mode to operate the valve. We put each hard seal butterfly valve into a bubble bag and then use wooden cases for the outer packaging