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Machines & equipment for sale

Airflow Group High Temperature, Large Capacity, Top Hat / Bell Oven.

Used / Second Hand

Refurbished Price [?]
£ Login or Register for price
Sold As Seen Price [?]
£ Login or Register for price
In stock now
From a working environment, Good Condition
Stock No
Airflow Group
Top Hat/Bell Heat Treatment Oven
Year of Manufacture
From a working environment, Good Condition
Internal Size (WxDxH mm) [?]
3020 x 2950 x 1830
Max Temp
425°C @ 4000Kgs load mass
Other Info
500 kw Comtherm Burner
Our Central Warehouse, Aldridge, UK
Weight (kgs)
External Dimensions (WxDxH mm) [?]
4100 x 4800 x 2465


A high temperature 425°C @ 4000Kgs load mass, gas fired Airflow oven with a unique lift off / top hat operation to give maximum possible access for loading and unloading.

  • This oven is not designed to be bolted down.
  • It is a free standing bell oven designed to be lifted off and over its contents.
  • It has seals to seal it to the floor.
  • The ovens exhaust fan is designed to be ducted to atmosphere.
  • Internal construction from mild steel sheeting.

Dimensions (w x d x h) as provided by operations:-

  • Work envelope:- 3020 x 2950 x 1830 mm
  • Internal Dimensions (wall to wall) 3320 x 2950 x 2295 mm
  • External dimensions (Of the Box oven) 3600 x 3300 x 2465 mm
  • Overall external dimensions (inc. ladder and burner) 4100 x 4800 x 3350 mm

Technical Specification

  • Gar burner is an EK 2 from Comtherm producing 500kW of heat input resulting in a max temp of 425°C. soak temp' 4000Kgs 
  • Over temperature protection.
  • RKC PF900 programmable controller.
  • 75°C knock off on cool down.
  • Additional timer for the Bradken remote exhaust allowing 5 minutes running after the Airflow exhaust is turned off.
  • Bradken exhaust interlock.
  • Exhaust fan designed to exhaust to atmosphere.
  • One circulation fan of 2.2kW with provide approximately 7 air changes per minute.
  • a 0.75kW exhaust fan is fitted to the Bradken ducting.

Other info:

  • Access ladder.
  • Oven lifts for loading & unloading.
  • Side door operator access.
  • Comtherm Burner.
  • Chamber internals is fabricated from mild steel sheeting.


  • Heat treatments.
  • Stress relieving.
  • Soaking up to 4000Kgs at 425°c

We can now offer a modification to this oven to fit double swing open doors to give access to the oven chamber without the need to lift the oven off the floor. Please ask a member of the sales team for details.




pdf icon Print / Download Airflow Group High Temperature, Large Capacity, Top Hat / Bell Oven. Datasheet

Additional files

Photographs taken prior refurbishment. Our refurbishment service is not available on all machines.