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Oil & gas · Plant structures

Heat Exchanger Frames & Supports

Frames, saddles and stacking supports for shell-and-tube exchangers, with the pulling beam needed to draw the bundle out for cleaning.

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Allmarc 3D model · to scale
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How it is built.

Scroll: the camera moves to each part in turn and ends on the exploded view. Drag to turn it round yourself.

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01 / 07

Stacked exchangers

Two shells stacked on one frame, with a monorail beyond the channel end. Arrangement follows the exchanger datasheets.

Scroll to see how it is built · drag to turn it round

02 / 07

The frame

A braced frame at grade sized for both shells full of water for test.

How is it possible at Allmarc?
Kotec newRun10DX CNC beam drilling line in the Allmarc works

Used here for: The frame

Heavy profiles that need precise holes, where plasma cannot do the job: the lower structure and panel borders of a ground flare, and every bolted PEB and multi-storey frame.

  • H-beams up to 1,000 x 500 mm
  • Drills 3 faces in one pass
  • Channels, angles and box sections
All our machinery

03 / 07

Fixed and sliding saddles

Saddles with ribs and wear plates; slotted sole plates at the sliding end let the shell grow when it is hot.

How is it possible at Allmarc?

Used here for: Fixed and sliding saddles

In 2024 we were the only buyer of Deratech’s 20 kW, 12 m laser.

  • 20 kW
  • 12 x 3 m bed
  • Pallet changer
All our machinery
Manual MIG welding in the Allmarc works

Used here for: Fixed and sliding saddles

  • Qualified welders, including 6G
All our machinery

04 / 07

Stacking supports

Intermediate supports between the shells, fitted to the saddle pads of both.

05 / 07

Pulling beam

A monorail on its own posts, long enough to draw the whole bundle clear.

06 / 07

Access at the channel end

A platform for bolting the channel cover and working the valves.

07 / 07

A kit of parts

Frame, saddles, supports and pulling beam: every member numbered, match-marked and packed in erection sequence.

Why Allmarc

Experience you can trust.

We fabricate to your drawings and prove the fit in our own bay before anything ships. Open any line for the detail.

Talk to an engineer
Structural steel at scale
  • 4 plants at Kanbha; about 6,000 T a month from November 2026.
  • Plate, sections and built-up members in house.
Trial-assembled
  • Fit-up proven in the works.
  • Match-marked for bolt-up on site.
Finished before dispatch
  • Blast, prime and paint in house; galvanised finishes on request.
  • Access steel fitted in the works.
Packed for the journey
  • Export packing we designed ourselves.
  • Shipped as numbered kits.
Start a project

Have a drawing? Let us build it.

We fabricate to your design, from plate to a packed container. An engineer will tell you honestly how we would build it.

Send us a drawing