The valve is made up of body, stem, flap, rocker, seals, bearing sets, lining materials, component parts. Heat-resistant steel body with super strength, high-quality carbon steel welding, valve shaft, heat-resistant flap are used super strength alloy steel. It has the feature of high temperature, anti-oxidation, anti-deformation, structured, scientific, operational flexibility and so on. Lining part of its security can be developed using the new lining materials.

      It is Serviceable, removable, and its valve shaft, flap, rocker, with a heavy hammer to remove the cover with the check, user and maintenance.

技术参数表：Technical Data Sheet