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Soft seal butterfly valve
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Product Details
soft seal butterfly valve
Product overview
The D371X-10/16 type soft seal midline wafer butterfly valve, the D341X-10/16 type rubber-lined butterfly valve and the D343X-10/16 double eccentric butterfly valve developed by our company have compact structure, easy 90-degree rotary switching, reliable sealing and long service life. They are widely used in water plants, power plants, steel mills, paper making, chemical industry, diet and other systems for water supply and drainage, as regulating and stop valves.
Double eccentric butterfly valve features
1, double eccentric butterfly valve, with the more closed the more tight sealing function, reliable sealing performance.
2, Sealing vice material selection of stainless steel and nitrile oil resistant rubber pairing, long service life.
3. The rubber sealing ring can be located on the valve body or on the butterfly plate, which can be applied to different media for users to choose.
4. The valve has novel structure, flexible operation and convenient.
Characteristics of midline wafer butterfly valve
1, midline wafer butterfly valve, simple structure, open quickly, butterfly plate using flow molding design, small flow resistance, excellent flow characteristics.
2, the valve structure is novel, flexible operation, labor saving, convenient.
Technical parameters
Standard adopted
J-shaped rubber sealing ring is a sealing ring on the valve seat. The sealing ring is composed of tetrafluoroethylene and special vulcanized rubber layer covered with metal material. The metal core makes the butterfly plate have enough rigidity, the soft and hard transition of PTFE, and the elastic compensation of the suction rubber layer ensures the reliable sealing of the valve. Dumbbell-shaped rubber sealing ring is a sealing ring on the valve seat. The dumbbell seal is restrained by a rubber O-ring to prevent the seal from sliding out of the groove. The structure has good sealing performance and long service life, but it is only used for low pressure and normal temperature pipeline systems. The sealing ring is easy to replace and convenient for maintenance. The fan-shaped elastic rubber sealing ring is a sealing form in which the sealing ring is made on the butterfly plate. Sealing with the available bolt adjustment, when the valve seat after a period of use, the sealing surface has a certain amount of wear, at this time tighten the bolt extrusion fan-shaped elastic rubber sealing ring, compensation for wear allowance, extend the life of the valve. N-shaped high elastic sealing ring is a form of sealing ring made on the butterfly plate. The n-shaped high-elasticity seal is pressed with a pressure plate and fixed with bolts. The metal wire rope reinforcement ring is inlaid inside, which is flexible and can prevent the radial expansion and contraction of the sealing ring. Suitable for medium and high pressure pipeline system.
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