WK Series Double-Acting Hydraulic Piston Seal Thermoplastic NBR Reciprocating Seal for Heavy Duty Applications
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WK Series Double-Acting Hydraulic Piston Seal Thermoplastic NBR Reciprocating Seal for Heavy Duty Applications

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WK series Piston Seal is a combination of a HSCO Product based material slipper seal with a step cut and an energising rectangular elastomeric ring. It is produced with an interference fit at closed step cut which together with the squeeze of the rectangular energizer ring ensures a good sealing effect even at low pressure.
  • WK

  • HSCO

  • -30 °C to +110 °C

  • ISO9001

  • mineral oil based hydraulic fluids

  • 100 MPa

  • Thermoplastic NBR

  • Piston Seal

  • China

  • OEM

  • 1Year

  • 1Year

  • WK Series Piston Seal

  • -- Construction machinery, e.g. excavators Truck cranes

  • Customizable

  • Cylinder

  • up to 1 m/s

  • Standanrd

  • Customizable

Availability:
Quantity:

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 Design introduction

屏幕截图 2025-10-13 201811

Due to the high strength plastic material, two times bigger extrusion gaps are possible compared with Thermoplastic NBR materials. The step cut in the ring is necessary for installation in closed grooves and for the flexibility of the seal ring due to the high stiffness of the material



Advantages

  • Easy installation on piston without special tools

  • Due to large extrusion gap, safe use even with soiled media
  • Installation grooves acc. to ISO 7425-1

  • Simple groove design

  • Resistent against shock loads

  • High wear resistant material ensures long service life


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 OPERATING CONDITIONS & Installation recommendation

屏幕截图 2025-10-13 202119


屏幕截图 2025-10-13 201623



|Specification

屏幕截图 2025-10-13 202157


屏幕截图 2025-10-13 202207

|Comment & FAQ

Q1.What's the payment term?

A: We accept T/T 30% deposit and 70% balance against copy of B/L or L/C at sight, West Union,VISA,Paypal is also accepted.

Q2.What is the normal lead time for product orders?

A: Generally it is 5-7days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to
quantity.
Q3. What is your standard packing?
A: All the goods will be packed by carton box and loaded with pallets. Special packing method can be accepted when needed.
Q4. why should you buy from us not from other suppliers?
A:OEM&ODM Service Offered ,Provide high quality products with competitive price. Professional QC team control.
Delivery the goods on time
Q5.Can we get a sample for reference?
A: Samples can be sent to you to check the quality, but you should pay for the postage.The charge can be returned when there is an firm order.
Q6.How to check the quality of the bulk order?
A1: We provide preproduction samples before mass production for all customers if needed.
A2: We accept third party inspection such as S G S, TUV, INTERTEK, BV, etc.
Q7. Do you use any international standards for the rubber products?
A: Yes, we mainly use ASTM D2000 standard to define the quality of the rubber materials, tolerances as per ISO3302, ISO2768, etc.

Q8.What materials are available to produce from your side?
A: NBR, EPDM, SILICONE, FPM(FKM), NEOPRENE(CR), NR, IIR, SBR, ACM, AEM, Fluorosilicone(FVMQ), FFKM, Liquid Silicone, Sponge, etc.








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 Certification

屏幕截图 2025-09-23 174234


屏幕截图 2025-09-23 174306


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