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Zhalaiteqi Fengqing Mechanical Seal Parts Co., Ltd.

Seal, Das Seal, Kdas Seal manufacturer / supplier in China, offering Piston Cylinder Hole Shaft Das Kdas Seals, PTFE Bronze Hydraulic Seal Piston Wear Guide Ring, PU Dust Seal Hydraulic Pneumatic Seal and so on.

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Piston Cylinder Hole Shaft Das Kdas Seals

FOB Price: US $1 / Piece
Min. Order: 10 Pieces
Min. Order FOB Price
10 Pieces US $1/ Piece
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Port: Tianjin, China
Production Capacity: 50000000PCS/Year
Payment Terms: T/T, Western Union, Money Gram

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Product Catalog
oil seal
25 Products
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Basic Info
  • Model NO.: DAS, KDAS
  • Application: Pumps
  • Performance: High Pressure
  • Standard: Standard, Nonstandard
  • Size: Standard and Nonstandard
  • Trademark: OEM
  • Specification: depend on size
  • HS Code: 8484100000
  • Material: NBR
  • Type: Shaft Seal
  • Shape: O-Ring
  • Color: Blue ,White,Red,Orange.
  • Samples: Free Supply
  • Transport Package: Carton
  • Origin: China
Product Description
DAS Combination Seal is a double acting piston seal consisting of three parts: an elastomer A, two support rings B, and two guide rings C.
    Elastomer A has a special cross-section, three sealing lip close to the cylinder wall (dynamic seal). The middle lip thicker, play a major sealing effect, the other two lip seal from the secondary role. The bottom side is in close contact with the bottom of the piston groove (static seal), the contact surface is relatively large.
    The bearing ring B is positioned on both sides of the A to locate the function. To support the elastomer A and to prevent the occurrence of a radial seal gap. The support ring B is stepped, and a plurality of projections are provided on the side contacting the seal member to prevent rotation of the seal ring during operation.
    The guide ring C has a rectangular shape, and is mounted on the piston to guide and absorb the axial force. The guide ring up and down are open a few axial grooves, the pressure oil can flow through the guide ring, so that the elastic body A can feel the full working pressure and in the direction of the rapid release of pressure. This effectively prevents the generation of a continuous super-high pressure before the elastomer A is produced.
    DAS combination of sealing material from the inside and outside the hardness gradually increased, according to its characteristics, respectively, to seal, support and guide role. The DAS combination is a self-tight double acting seal. In the initial state, the elastomer A deforms to produce a radial preload and increases as the system pressure increases, resulting in a complete sealing force, even if the system is not pressurized.

    A elastomer - NBR rubber
    B support ring ---- nylon or PU
    C Guide ring - Nylon or POM
Technical data: 
Pressure: 35MPa
Temperature: -35 ~ 100 degrees
Movement speed: 0.5M / S
Working medium: mineral oil hydraulic oil and flame retardant hydraulic oil
Piston Cylinder Hole Shaft Das Kdas Seals

Piston Cylinder Hole Shaft Das Kdas Seals
Piston Cylinder Hole Shaft Das Kdas Seals
Piston Cylinder Hole Shaft Das Kdas Seals
Piston Cylinder Hole Shaft Das Kdas Seals

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