|Place of Origin:||China|
|Model Number:||DK 160 27 29|
|Minimum Order Quantity:||1 pc|
|Packaging Details:||Individual Boxes, Carton, Pallet|
|Delivery Time:||5-8 working days|
|Payment Terms:||L/C, T/T, Western Union|
|Supply Ability:||100000 pcs per month|
|Material:||NBR; Z5050||Ordering Code:||DK G027 Z5050|
|Inside Diameter:||27mm||Element Height:||29mm|
|Media:||Pneumatic||Max Operating Pressure:||16 Bar|
|Min Operating Temperature:||-35to -10℃||Max Operating Temperature:||80 To 200℃|
|Max Suface Speed:||1 M/sec|
Parker Type DK Piston Seals,
DK 160 27 29 Piston Seals,
Double Acting Piston Seals
Parker Type DK G027 Z5050 DK 160 27 29 160mmOD 27mm ID 29mm Height Piston Seals
DK G027 Z5050 (DK 160 27 29) Complete piston with integrated seals Praedifa series DK. 160mm OD 27mm ID 29mm Height.
The DK complete piston with integrated end position cushioning is available in the following compounds:
Z5051 - Industrial purpose
Z5067- High temperatures
Double Acting Piston SealsAs system pressure in a hydraulic cylinder pushes the piston down the cylinder bore, piston seals and piston rings ensure that pressurized fluid does not leak across the cylinder head. Piston seals are decided by the way the cylinders operate. For a cylinder that is exclusively capable of sealing dynamic pressure from both sides(bidirectional), it is best to choose the type of seal designed for double-acting functions.
The double-acting DK pneumatic piston is a two-component seal design consisting of a metallic supporting element with a vulcanized guiding ridge and sealing lips. The complete piston performs two functions: sealing and guiding. Complete piston for double-acting pneumatic cylinders with and without cushioning, provided that no excessive lateral guidance loads will occur (long strokes and buckling).
Piston Seals or Piston Rings are used in hydraulic cylinders for fluid sealing and are designed to ensure that pressurised fluid does not leak across the cylinder head as the system pressure pushes the piston down the cylinder bore.
The choice of piston seal is decided by the way in which the cylinder operates. For a cylinder which is exclusively single-acting, capable of sealing dynamic pressure from one side (unidirectional), it is always best to choose the type of seal designed to provide optimum sealing qualities for single-acting functions.
The best sealing capacity of a double-acting cylinder, capable of sealing dynamic pressure from both sides (bidirectional), is achieved by choosing a double-acting seal.
A piston design where two single-acting seals on the piston for a double-acting cylinder are used can easily give rise to a breakdown. The reason is that a very high pressure can be trapped between the seals.
Piston seals, both single- and double-acting, can be designed for and used with integrated or separate back-up rings and guide rings.
• Due to application-optimized geometry and compounds suitable for use in oiled as well as in oil-free air (after initial lubrication on assembly).
• Immediate response (full pressure load) thanks to incorporated venting channels.
• Good wear resistance.
• Ideal corrosion protection thanks to complete elastomer covering.
• Smooth running due to optimum adjustment of the functional lips.
• Easy attachment to the piston rod without additional sealing elements.
• Easy installation due to integrated static sealing function.
• Excellent media resistance in case of suitable compound selection.
• Low assembly height of the complete piston enables short cylinder designs.
• Versatile complete piston for nearly all cylinder designs.
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