Stainless Steel Butterfly Valve adopts the three-eccentric multi-level metal hard sealing structure, which is widely used in metallurgy, electric power, petrochemical industry, water supply and drainage and municipal construction and other industrial pipelines, for flow adjustment and load fluid use. The Cast Iron Butterfly Valve adopts the three-eccentric structure, the valve seat and the disc plate sealing surface are made of different hardness and stainless steel, with good corrosion resistance, long service life.
Stainless steel butterfly valve is used to realize the pipe system break-off and flow control components, has been widely used in petroleum, chemical industry, metallurgy, hydropower and many other fields. In the well-known butterfly valve technology, its sealing form is mostly used sealing structure, Rubber Lined Butterfly Valve sealing materials for rubber, FE, etc. Due to the limitation of structural characteristics, it is not adapted to high temperature resistance, high pressure, corrosion resistance, wear resistance and other industries. A relatively advanced butterfly valve is the three-eccentric metal core seal Lug Butterfly Valve, the valve body and the valve seat are connected components, the valve seat sealing surface layer heap welding temperature resistant, corrosion resistant alloy material. The multilayer soft stack sealing ring is fixed on the valve plate. Compared with the traditional butterfly valve, the Wafer Butterfly Valve of this butterfly valve has high temperature resistance, light operation, no friction when opening and closing, with the increasing torque of the transmission mechanism to compensate for the sealing, which improves the sealing performance and prolongs the service life of the butterfly valve.
Advantages of WCB Butterfly Valve: 1. Opening and closing are convenient and rapid, labor-saving, with small fluid resistance, and can be operated frequently. 2. Simple in structure, small in size and light in weight. 3. Mud can be transported, and the least liquid is stored at the pipeline mouth. 4. Under low pressure. 5. Good adjustment performance.
Classification of stainless steel butterfly valve: stainless steel butterfly valve can be divided into offset plate type, vertical plate type, inclined plate type and lever type. According to the sealing form can be divided into soft sealing type and hard sealing type two kinds. Soft seal type generally adopts rubber ring seal, and hard seal type usually adopts metal ring seal. According to the connection type, flange connection and clip type connection, manual, gear transmission, pneumatic, hydraulic and electric operation by transmission mode.