Headers

Air Fin Coolers

Headers in Detail

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The specific feature: headers are available in all material types. They can be used in all pressure and temperature ranges and therefore predestined for various media and marginal conditions.

  • Cover Plate Header with Through Bolts
    Cover Plate Header with Through Bolts
  • Cover Plate Header with Stud Bolts
    Cover Plate Header with Stud Bolts
  • Welded Header (D type)
    Welded Header (D type)
  • Plug-type Header
    Plug-type Header
  • High-pressure Header with Return Segments
    High-pressure Header with Return Segments
  • High-pressure Header with Welded Return Bends
    High-pressure Header with Welded Return Bends

Depending on the header version, the tubes are either welded or rolled into the tube sheets.

Different header designs are available for the different applications and requirements.

Further Details on Headers

Cover plate header with through bolts

This header version has a removable cover to enable easy inspection and cleaning of the inner tube walls. For inspections it is generally sufficient to remove only a manifold because this already offers a partial view of the tubes through the nozzles.

Cover plate header with stud bolts

In this version, the nozzles are arranged at the top and at the bottom. The benefit: you can remove the cover plate without dismantling any tubes. The cover plates are also available with built-in nozzles.

Depending on temperature and gasket type, this header works up to an operating pressure of 40 bar. We can manufacture special versions for all applications beyond this range.

Both cover plate versions have either welded-in or rolled-in tubes.

Welded header (D type)

The inexpensive header design is mainly used for clean products or a high vacuum. The tubes are welded into tube sheets, and D type headers with the required connecting nozzles are welded on.

Plug-type header

Here the tubes are usually rolled into the plug headers; in special cases, they are directly welded into the tube sheets.

A threaded plug with a soft iron seal is provided opposite every tube; this seal can be easily removed for re-rolling or internal cleaning of the tubes. As the nozzles are fitted at the top or bottom of the header, dismounting the tube connections is not required for inspections and cleaning.

The header design can be used even at high pressure levels.

High-pressure header with return segments

A threaded plug with a soft iron seal is provided opposite every tube. This plug can be simply removed for re-rolling or for internal cleaning of the tubes.

High-pressure header with welded return bends

This high-pressure header, just as the variant with the return segments, is perfectly suited for high temperature differences as the finned tubes expand individually.

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