D373H turbine wafer hard seal butterfly Industrial Valves overview: D373H turbine wafer hard seal butterfly valve adopts precision J elastic sealing ring and triple eccentric metal hard seal structure, multi-level is widely used in medium temperature & le; 425 ℃ of metallurgy, electric power, petrochemical industry, water supply and drainage, and municipal construction and other industrial pipelines, used to adjust flow cutoff and body. Brand: wenzhou in the valve figure number: D373H - 16 c structure forms: other D373H turbine wafer hard seal butterfly valve features: 1, D373H turbine triple eccentric sealing structure is adopted for the wafer hard seal butterfly valve, Industrial Valves seat and disc almost no wear and tear, have the close tight sealing function. 2, selection of sealing ring made of stainless steel, has the dual advantages of metal hard seal and elastic sealing, no matter in the case of low and high temperature, has good sealing performance, corrosion resistance, long service life, etc. 3, butterfly plate sealing surface using cobalt-based carbide surfacing, sealing surface wear resistance, long service life. 4, large size butterfly plate adopts the structure supporting structure, high strength, large flow area, small flow resistance. 5, D373H turbine wafer hard seal butterfly Industrial Valves has two-way sealing function, installation is not restricted by medium flow direction, and is not affected by spatial location, can be installed in any direction. 6, driving device can transfer ( Rotate it 90 & amp; 度; Or 180 & amp; 度; ) Installation, making it easy for users to use. D373H turbine wafer eccentric hard sealing butterfly valve characteristics and principles: 1, deviating from the pipe center. 2, deviating from the center of sealing surface. 3, sloping cone when the valve opens, the butterfly plate contact with the seat in the closing moments, using eccentric eccentric butterfly plate 1, 2 quickly out of the seat, reduces the seal wear, friction torque is small, open and flexible. 3 eccentric taper surface, and can make the valve is in open or closed when the butterfly plate through the valve seat inner hole, realize the contact seal. In addition, the rotation of the cone disc rotating radius radius is greater than the seal contact position, so the disc will appear when the valve closed off more and more tightly, can realize self-locking, prevent a butterfly plate.

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