20KD Face and Static Seals

The Chesterton 20KD is a continuous compression D-ring seal designed to replace traditional face seals and O-rings in static hydraulic and pneumatic applications. Engineered for high-pressure environments, it offers excellent wear and extrusion resistance, making it a dependable choice for long-term sealing performance.

Available in standard and custom sizes to fit ISO and DIN specifications, the 20KD maintains sealing integrity with minimal compression set. Ideal for valve assemblies, flanges, and control systems, this seal helps reduce leakage, extend service life, and lower maintenance demands in both general-purpose and heavy-duty applications.

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Product Features

 Upgrade performance from conventional face seal and O-Ring designs
Superior wear and extrusion resistance versus conventional materials
 Low compression set characteristics
 Unique manufacturing process allows the flexibility to create any size*
 Sizes made to accommodate international standards including ISO and DIN

Technical Data ↓

  • -60 °F ( -50 °C )

  • 185 °F ( 85 °C )

  • 16 MPa ( 2320 psi )

  • 6 mm ( 0.25 inch )

  • 304.8 mm ( 12 inch )

  • Temperature and pressure for AWC800 material

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