Air-Cooled Exchanger Structures

01 / 07

A fin-fan bay

Two bundles over four fans on a raised structure. Bay size, fan count and height follow the exchanger maker’s design.

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

02 / 07

The structure

Columns, bracing and base plates, drilled for bolted assembly.

How is it possible at Allmarc?

Robotic H-beam cutting and bevelling cellBeams up to 1,000 x 500 mm

Used here for: The structure

• Beams up to 1,000 x 500 mm
• 12 m long, 50 mm thick
• Hypertherm XPR 300

All our machinery

Kotec newRun10DX CNC beam drilling lineH-beams up to 1,000 x 500 mm

Used here for: The structure

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

Bundle supports

Beams and posts the tube bundles slide onto, set level so the bundles sit true.

04 / 07

Plenums

Sheet-steel plenums that duct air from each fan across its bundle: light gauge, cut and folded in our own sheet-metal facility.

How is it possible at Allmarc?

Deratech 6 kW fibre laser6 kW

Used here for: Plenums

• 6 kW
• Cuts up to 20 mm
• 2,500 x 6,300 mm bed

All our machinery

Deratech 8 m tandem press brake8 m bending length

Used here for: Plenums

• 8 m bending length
• Tandem technology

All our machinery

05 / 07

Fan rings

Fan rings rolled round and true so the blade-tip clearance is even all the way round, with the frames that carry the drives.

How is it possible at Allmarc?

Three-roll pinch cum pyramid plate rollsRolls plate up to 40 mm

Used here for: Fan rings

• Rolls plate up to 40 mm

All our machinery

06 / 07

Walkways

Header walkways at both ends, a walkway along the fan deck, and a caged ladder.

How is it possible at Allmarc?

Grip-Strut walkway automation linePunching, embossing, edge bending, shearing

Used here for: Walkways

• Punching, embossing, edge bending, shearing
• Single-piece planks up to 8 m

All our machinery

07 / 07

A kit of parts

Structure, plenums, fan rings and walkways: every member numbered, match-marked and packed in erection sequence.