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Particularly in engines and transmissions where vibrations can cause damage, D-Seal provides a leak-free, long-lasting performance and prevents cavitation damage entirely

 

Features and Benefits:

  • Excellent sealing properties for static and semi-dynamic conditions
  • Damps vibrations and prevents cavitation damage to cylinders
  • No parting line on the sealing surface, removing join failure risk and leak path
  • Robust and rigid design, customizable to conditions
  • Simple and stable assembly; no twisting in the groove and suitable for automatic handling
  • Wide choice of industry-approved materials optimized for specific characteristics, including temperature, pressure, and media resistance
  • Available with color-coding to avoid mixing of parts and aid identification or camera detection
  • Proprietary coating options to reduce assembly forces and eliminate lubrication during installation

     

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D-Seal

Join our expert, Peter Åström, in this live webinar to learn more about the benefits of D-Seal and how it can improve performance in automotive applications.

APPLICATION EXAMPLE: D-SEAL FOR CYLINDER LINER

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Engine vibrations can cause contact to vary between rounded O-Ring sealing surfaces and the housing, creating a ‘pumping’ effect and allowing fluid to bypass the seal.

Gases contained in this media can expand rapidly when pressure conditions change, causing cavitation damage and leading to failure. Replacing the O-Ring with a D-Seal maintains leak-tight contact throughout operation, stopping cavitation damage entirely and improving overall engine longevity.

 

Materials: EPDM and FKM 

 

Application area: Heavy diesel engine

 

Advantages: Excellent sealing – Damps vibrations – Prevents cavitation damage 

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Animation: D-Seal
Combined sealing and damping for critical truck engine and transmission applications

Pressure:

2 to 5 bar

Movement:

Static

Media:

Oil, cooling water

Temperature:

Cooling water (+110 °C) and oil (+120 °C)

Dimensions:

inner diameter: 120 – 160 mm, cross-section: 3 – 7mm

Materials:

E7T41 (EPDM) for cooling side and V7T40 (FKM) for oil side, 
VCT42 (GFLT) can be used both for the cooling side,
as well as for the oil side as a premium option.