Politeknik Engineerin Ltd.

Politeknik Engineerin Ltd.

Central Heating System Type Expansion Joints



Bellows Material: 304ss, 321ss, 316ss: Balance Material: Carbon Steel or Stainless Steel: Design Pressure: 16 barg: Design Temperature: 400°C: Design Movement: ±25 mm

  • Deformations and noise resulting from thermal stresses are prevented
  • Internal sleeve prevents pressure losses and misalignments while external cover prevents external damages
  • Installation is easy and quick Connection type is threaded inside for diameters up to and including DN50 (2”)
  • Significant displacements due to thermal movements on central heating pipes create thermal stresses resulting in bending of pipes and irritating noise

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