cid5013_QDHF 190 x 115_320x194



The QDHF Coils with 15 mm copper tubes and aluminum fins are designed for heating or cooling of air by means of water, oil, or other liquid.


  • Copper tubes and aluminum fins. Headers and connections are made of anti-corrosion painted steel.
  • The air side of the coil casing is made of 2 mm thick galvanized sheet steel.
  • The coils are available with various fin pitches in sizes up to 8 x 2.4 m for horizontal air flow in the standard version.
  • To special order, the connection flanges of the casing can be provided with 15 x 24 mm mounting holes.
  • The DN 32 and DN 50 nominal pipe size connections are threaded, whereas pipe connections larger than DN 50 are designed for welding to the connecting pipework.
  • Plugged connections are provided for venting and drainage.
  • The design conforms with the Pressure Equipment Directive 97/23/EC.
  • All the components of the product conform to Corrosion Resistance Category C2 in accordance with ISO 12944.
  • Max operating pressure 1.6 Mpa at max operating temperature 100°C.
  • All heat exchangers are leakage tested using dry air under water at pressure 2.1 Mpa.

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