Fired Heater Casings

01 / 08

A cabin heater

Burners fire up into the radiant box; flue gas passes the convection coils and leaves by the stack. The heater designer sets every size.

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

02 / 08

Radiant casing

Casing plate on a column frame, with stiffeners against heat and wind.

How is it possible at Allmarc?

Deratech Supera-H 12030 fibre laser20 kW

Used here for: Radiant casing

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

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

Used here for: Radiant casing

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 / 08

Floor

Floor plate on beams, with every burner opening cut on the laser.

04 / 08

Convection module

Built and shipped as one module with its tube-sheet ends.

How is it possible at Allmarc?

Deratech Ultima Hybrid 600 T press brake600 T

Used here for: Convection module

• 600 T
• 6 m long
• Bends 12 mm plate

All our machinery

05 / 08

Breeching and stack

The hood that gathers flue gas, the damper ring and the stack.

How is it possible at Allmarc?

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

Used here for: Breeching and stack

• Rolls plate up to 40 mm

All our machinery

06 / 08

Platforms

Along the convection section and at the sampling point.

07 / 08

Coils and burners

The heater maker’s coils and burners.

08 / 08

A kit of parts

Casing, module, breeching and stack: every member numbered, match-marked and packed in erection sequence.