1,The hard sealing butterfly valve utilizes t triple eccentric hard sealing structure. Zero friction will emerge between the valve plate and the sealing ring. The valve seat and the butterfly plate are sealed tighter as they are closed tighter.
2, The sealing ring is made of stainless steel, with dual advantages of metal seal and the elastic seal. It has excellent sealing performance both in the low and high temperature. And it is corrosion resistant, and has long service life and other characteristics.
3,The design of metal elastic seat meets API6074th standards, which provides fire and heat resistance. This is especially suitable for regulating or cutting the flow rate and pressure of water, steam, gas and various kinds of oil products.