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DAS045-029
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DAS 45 X 29 X 18.4

DAS045-029

UPC: 57732255

USD $27.70 /EACH
    • EACH
  • Quantity Available: 20
  • Availability: In stock
Untitled Document

 


DAS Style Compact Seals

(5 Piece Seal) *Unless Specified

The DAS style compact seals are self-acting double-acting seals. The radial forces acting on the elastic rubber sealing element after installation are superimposed by the system pressure. This results in a total sealing contact force which increases as the system pressure rises. Even when no system pressure is present, good sealing is achieved. A wide mounting surface also provides additional protection against shifting or twisting of the sealing element.


Applications:

The DAS compact seal is used as a sealing element for pistons and hydraulic cylinders for reciprocating motion such as earth moving machines, hydraulic excavators, cranes, forklift trucks, hydraulic tailgates, agricultural machines, etc.


Materials:

The inner sealing element is made of nitrile rubber (NBR), or Viton® (FKM) on select sizes, which is extremely wear-resistant and has a low compression set and high tensile strength. The material has a hardness of approximately 75 Shore A. The back-up rings are made from polyester elastomer with protective and additional lubricating additives, and the material is known for its high strength and heat resistance. The guide-rings are made of thermoplastic material reinforced with glass fibres and additional additives. This material is characterized by high pressure resistance and good resistance to alternating thermal stresses.


Advantages:

  • Closed groove, one piece piston.

  • Short-overall length of the piston.

  • Only one groove for seal and guidance.

  • Low cost production of the piston.

  • Free selection of piston material.

  • High resistance to gap extrusion.

  • No twisting or turning of the elastic sealing element.

  • Good leakage values.

  • Snap-on assembly possible.

  • Can be used to replace many other compact seal design.


Operating Ranges:

Pressure Range: up to 40MPa (400 bar)

Temperature Range: -40°C - +110°C (-40°F - +230°F) *Capable of higher temperature with use of Viton® sealing element*

Speed: up to 0.5 m/s

Operating Media: Hydraulic fluids and lubricants based on mineral oils.




 

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