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Air-circulation Pit-type Furnaces

Air-circulation Pit-type Furnaces with horizontal air circulation Air-circulation pit-type furnaces are supplied for operating temperatures between 450°C and 850°C. Heavy parts or baskets can be easily loaded from the top using a crane. The furnaces have a hinged lid or a backwards sliding lid, both are pneumatically driven.
SM 300/06/HA – SM 2000/08/HA
T max 650 °C and 850 °C

Information

Information

SM800/06/HA
SM800/06/HA
SM3000/04/HA
SM3000/04/HA
  • Rugged case designs made of high-grade sheet steel
  • Inner liner made of heat-resistant stainless steel > Long service life, extremely resilient, corrosion resistant
  • High-quality heating elements with long service life
  • Horizontal air circulation > Excellent temperature uniformity up to +/-5 K in accordance with DIN 17052
  • High-grade insulation > Low energy consumption, low operating costs

Technical Data

Technical Data

Model

T max
[°C] 

Inside dimensions
[mm]
[width x depth x height] 

Volume
[l] 

Outside dimensions
[mm]
[width x depth x height] 

Power
[kW] 

Voltage
[V] 

Weight
[kg] 

SM   300/06/HA 

650 

700 x 600 x 650 

270 

1600 x 2300 x 1200 

18 

400 3/N 

360 

SM   550/06/HA 

650 

900 x 800 x 750 

540 

1800 x 2500 x 1300 

24 

400 3/N 

600 

SM 1000/06/HA 

650 

1000 x 1000 x 1000 

1000 

1700 x 2700 x 1600 

36 

400 3/N 

890 

SM 1500/06/HA 

650 

1500 x 1000 x 1000 

1500 

2200 x 2700 x 1600 

60 

400 3/N 

1240 

SM 2000/06/HA 

650 

2000 x 1000 x 1000 

2000 

2700 x 2700 x 1600 

75 

400 3/N 

1750 

 

 

 

 

 

 

 

 

SM   300/08/HA 

850 

700 x 600 x 650 

270 

1600 x 2300 x 1200 

24 

400 3/N 

380 

SM   550/08/HA 

850 

900 x 800 x 750 

540 

1800 x 2500 x 1300 

36 

400 3/N 

630 

SM 1000/08/HA 

850 

1000 x 1000 x 1000 

1000 

1700 x 2700 x 1600 

48 

400 3/N 

930 

SM 1500/08/HA 

850 

1500 x 1000 x 1000 

1500 

2200 x 2700 x 1600 

64 

400 3/N 

1290 

SM 2000/08/HA 

850 

2000 x 1000 x 1000 

2000 

2700 x 2700 x 1600 

90 

400 3/N 

1830

Other sizes on request


Air-circulation Pit-type Furnaces

Air-circulation Pit-type Furnaces with vertical air circulation Air-circulation pit-type furnaces with vertical circulation are especially
suitable for heat treatment of bulk materials with a high mass, such as springs or gear wheels loaded in baskets. Models featuring air-guidance cylinders enable very homogenous heating of batches.
SU 220/06/VA – SU 380/06/VA for T max 650 °C
SM 500/08/VA – SM 1700/08/VA for T max 850 °C

Information

Information

SM500/08/VA
SM500/08/VA
SU380/06/VA - Furnace for annealing springs in baskets
SU380/06/VA - Furnace for annealing springs in baskets
  • Furnaces with round air-guidance cylinders for charging with several round baskets in stacks
  • Highly efficient circulation fans with very high air speed
  • Vertical air circulation
  • Superb temperature uniformity up to +/-3 K in accordance with DIN 17052, also with non-uniform basket batches
  • Heated from all sides with high-quality heating elements with long service life
  • High-grade insulation > Low energy consumption, low operating costs
  • Pneumatic cover drive
  • Semi-gastight version with inert-gas connector available as option

Technical Data

Technical Data

Model

T max
[°C] 

Inside dimensions
[mm]
Ø x height* 

Volume
[l] 

Outside dimensions
[mm]
[width x depth x height] 

Power
[kW] 

Voltage
[V] 

Weight
[kg] 

SU   220/06/VA 

650 

630 x 700 

220 

1100 x 1100 x 1580 

24 

400 3/N 

420 

SU   310/06/VA 

650 

630 x 1000 

310 

1100 x 1100 x 1880 

32 

400 3/N 

490 

SU   380/06/VA 

650 

630 x 1200 

380 

1100 x 1100 x 2080 

36 

400 3/N 

540 

 

 

 

 

 

 

 

 

SM   500/08/VA 

850 

800 x 1000 

500 

1600 x 1800 x 2400 

50 

400 3/N 

1450 

SM   800/08/VA 

850 

1000 x 1000 

800 

1800 x 1800 x 2400 

70 

400 3/N 

1700 

SM 1000/08/VA 

850 

1000 x 1300 

1000 

1800 x 2100 x 2700 

90 

400 3/N 

1850 

SM 1700/08/VA 

850 

1200 x 1300 

1500 

2000 x 2100 x 2700 

120 

400 3/N 

2300 

* Diameter x height of air-guidance cylinder · Other sizes on request