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KASTAS Rod Seals

Kastaş rod seals provide reliable fluid sealing, minimal friction, and high extrusion resistance in hydraulic and pneumatic cylinders.

  • Data vary by model and material, but the standard limits are as follows
  • Polyurethane (PU9401 / JPU8801)
  • Pressure 400 bar

Key technical specifications

Data vary by model and material, but the standard limits are as follows
Polyurethane (PU9401 / JPU8801)
Pressure
400 bar
Temperature
-35°C to +110°C
PTFE with rubber energizer
Temperature
-200°C to +260°C, depending on the internal O-ring.
Advantage
minimal friction and high chemical resistance.
Fabric-reinforced NBR
Pressure
250 bar
Temperature
-30°C to +105°C
  1. 01Main advantages
  2. 02Extrusion resistance: special thermoplastic backup rings prevent material extrusion under high pressure.
  3. 03Low friction coefficient: PTFE profiles eliminate stick-slip movement and withstand high speeds.
  4. 04Self-lubricating function: maintaining a thin oil film reduces thermal overheating and component wear.
  5. 05Pressure self-regulation: hydrodynamic pressure-relief functionality helps prevent seal damage.
  6. 06In-house materials: compounds are developed and tested in Kastaş laboratories, ensuring guaranteed durability.

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