pneumatic butterfly valve

▶▷A sealing ring, ensuringtightness in the seat, forms a sandwich of stainlesssteel sheets layered witha soft filler of graphite. This composition is able to withstand high temperatures and ensures excellent resilience of the sealing element even during significant fluctuations of medium temperature and pressure. ▶▷The packing system consists of a series of soft graphite sealing rings preventing leakage around the shaft. Graphite is a material which perfectly seals and resists high temperatures. Optimization of the ratio between tightness around the shaft and the actuating torque can be easily achieved by tightening or loosening the nuts holding the packing flange. ▶▷Spirally wound stainless steel band with a soft graphite filler guarantees a perfect seal even with large temperature and pressure fluctuations inside the pipe.

▶▷ The metal hard seal butterfly valve has a two-way sealing function. It is not restricted by the flow direction of the medium during installation and is not affected by the spatial position. It can be installed in any direction. ▶▷Small opening torque, flexible and convenient, labor-saving and energy-saving. ▶▷High pressure resistance, corrosion resistance, wear resistance, long service life. ▶▷The driving device can be installed in multiple positions (rotated by 90° or 180°), which is convenient for users to use.

▶This valve adopts triple eccentric sealing structure, the valve seat and butterfly plate wear little. ▶The sealing ring is made of stainless steel, which has the dual advantages of metal hard seal and elastic seal. It has excellent sealing performance, corrosion resistance and long service life regardless of low temperature and high temperature. ▶The sealing surface of the butterfly plate adopts surfacing welding cobalt-based hard alloy, which is wear-resistant and has a long service life. ▶The large-diameter butterfly plate adopts the quilted frame structure, which has high strength, large flow area and small flow resistance. ▶The electric three-eccentric butterfly valve has a two-way sealing function. It is not restricted by the flow direction of the medium during installation and is not affected by the spatial position. It can be installed in any direction. ▶The driving device can be installed in multiple positions (rotated by 90° or 180°), which is convenient for users to use.