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Soft seal butterfly valve
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Product classification
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Product Details
soft seal butterfly valve/soft seal butterfly valve
Product overview/Product overview
The soft-sealed midline wafer butterfly valve developed by our factory has a compact structure with double eccentric flange butterfly valve, easy rotary switch at 90 ℃, reliable sealing and long service life. It is widely used in water plants, power plants, steel mills, paper making, chemical industry, diet and other systems for water supply and drainage, as adjustment and cut-off.
The factory developed by the center line of soft sealed-off valve on the folder, double-butterfly valve flange eccentric compact, 90 °C rotary switch easily, sealing reliable, long life, is widely used in water works, power plants, steel mills and by creating Paper, chemicals, food, and other systems for drainage, as the deadline for the use and regulation.
Product model preparation method/Model of product.
D343H-16C
- Body material: HT200 cast iron, C carbon steel,Q-iron
- 16-Nominal pressure: PNO. 6~1.6MPa Nominal pressure: PN0.6 ~ 1.6MPa
- H-Sealing material: X nitrile rubber, XE EPDM rubber, Xsi silicone rubber, XF fluorine rubber, XT special rubber, F PTFE Sealing materials: X NBR, XE EPDM Xsi silicone rubber, XF fluorine rubber, XT special rubber, F PTFE
- 3-Structure type code: 0 the center line, 1 vertical plate, 2 double eccentric Structure of the code: 0 the center line, a vertical plate, two pairs of eccentric
- Link form code: 4 flange, seven pairs of folders
- 3-drive code: no handle drive, 2 screw link drive, 3 turbine drive, 6 pneumatic,9 electric driver code: handle-driven, two screw-link transmission, 3 worm transmission, 6 pneumatic,9 electric
- D-Valve Code: D Butterfly Valve Valves code: D Butterfly valve
Products & Features/Products and features
1, the valve adopts double eccentric structure, with more closed more tight sealing function, reliable sealing performance.
2, the sealing surface 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 media with different characteristics for users to choose.
4. The butterfly plate adopts frame structure, which has high strength, large flow area and small flow resistance.
5, the overall paint, can effectively prevent corrosion and as long as the replacement of sealing valve seat sealing valve material, can be used in different media.
6, the valve has a two-way sealing function, the installation is not controlled by the flow of the medium, nor is it affected by the space position, can be installed in any direction.
7. The valve has unique structure, flexible operation, labor saving and convenient.
1, the double-valve eccentric structure, with the Commissioner of the tight seal function, sealed and reliable performance.
2, Deputy sealed material selection and nail stainless steel oil nitrile rubber match, long service life.
3, rubber seals to the valve body, can also board in the butterfly, the applicable characteristics of different media for users to choose.
4, a butterfly-frame structure, high strength, the flow of large, small flow resistance.
5, paint a whole, can effectively prevent corrosion and replace the seal as long as the closure valve seat materials can be used in different media
6, with two-way closed the valve function, from media at the time of installation of the flow of control, even without the impact of space location can beinstalled in any direction.
7, this valve unique structure, operational flexibility, saving and convenient.
Use standard/Adoption standard
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 sufficient rigidity, the soft and hard transition of PTFE, and the elastic compensation of the rubber layer ensure the reliable sealing of the valve.
J-ring rubber seal will be done on the valve seat in a sealed form. Ring from the base metal, coated metal from ethylene and tetrafluoroethylene special vulcanized rubber layer. Tip of metal-core board so that there is sufficient rigidity, the soft and hard transition PTFE, rubber suction to the flexibility of compensation to ensure that a reliable valve seal.
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.
Dumbbell-shaped rubber ring is to do in the ring on the valve seat form a seal. Dumbbell-shaped seal with O-ring rubberrestri-cted, to prevent ring slid off the trench. The structure of sealing performance particularly good, long life, but only for low-voltage, the normal temperature of the pipeline system. Seal replacement easy, easy maintenance.
The fan-shaped elastic rubber sealing ring is a sealing form in which the sealing ring is made on the butterfly plate. Sealing surface with 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.
Fan-shaped flexible rubber ring is to do in the ring butterfly board form a seal. Seal can be used with bolts of the regulation, when the valve seat after a period of use, the sealing surface is a certain amount of wear and tear, then tighten bolts squeeze fan flexible rubber ring, compensation wear cushion to extend valve life.
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.
N-Seal is a flexible ring will be done in the form of a butterfly board, n-shaped seal with a flexible clips and fixed with bolts, steel metal embedded within the Central Sisuo strengthen both flexible ring can prevent the radial expansion and contraction. Suitable for, high-pressure pipeline system.
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