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Pit-Type Furnaces with Air Circulation and Accessory Equipment for Tempering and Quenching 

 
  S 250/65 with swivel arm as charging aid S 120/65 with charging aid and cooling platform as additional equipment

Pit-type furnace S 250/65 with protective gas box for bright annealing 

S 30/45 A - S 500/85A

Pit-type furnaces with air circulation offer the benefit of easy charging of heavy parts or baskets and are used in the same applications as the chamber furnaces described above: steel tempering after hardening, but also for precipitation hardening/curing, quenching and tempering, solution annealing, artificial aging, preheating and soft annealing, etc. Protective gas boxes with or without a vacuum lid as well as charging baskets and charging aids are available for a wide range of applications.

  • Tmax. 450 °C, 650 °C or 850 °C
  • Stainless steel interior
  • Hot air blower integrated in floor, high air speed
  • Vertical air guidance
  • Optimal temperature uniformity in accordance with DIN 17052-1 up to ΔT 6 K in usable space

Additional Equipment

  • Charging aid mounted on side of furnace
  • Cooling platform
Article no.ModelTmaxInner dimensions in mmVolumeExterior dimensions in mmSupplyElectricalWeight
Controller B 150Controller C 290 °Cwdhin lWDHpower/kWconnection*in kg
001353100 001353150 S 30/45A 450 300 250 400 30 520 460 920 3,6 1-phase 130
001353200 001353250 S 60/45A 450 350 350 500 60 570 560 1020 6,6 3-phase 225
001353300 001353350 S 120/45A 450 450 450 600 120 670 660 1120 9,6 3-phase 280
001353400 001353450 S 250/45A 450 600 600 750 250 820 810 1350 19,0 3-phase 750
001353500 001353550 S 500/45A 450 750 750 900 500 970 960 1500 28,0 3-phase 980
                           
001354100 001354150 S 30/65A 650 300 250 400 30 530 520 1020 6,0 3-phase¹ 130
001354200 001354250 S 60/65A 650 350 350 500 60 580 620 1120 9,6 3-phase 225
001354300 001354350 S 120/65A 650 450 450 600 120 680 720 1220 13,6 3-phase 280
001354400 001354450 S 250/65A 650 600 600 750 250 830 870 1450 21,0 3-phase 750
001354500 001354550 S 500/65A 650 750 750 900 500 980 1020 1600 31,0 3-phase 980
                           
001355100 001355150 S 30/85A 850 300 250 400 30 600 740 1000 6,0 3-phase¹ 130
001355200 001355250 S 60/85A 850 350 350 500 60 710 840 1100 9,6 3-phase 225
001355300 001355350 S 120/85A 850 450 450 600 120 810 940 1200 13,6 3-phase 280
001355400 001355450 S 250/85A 850 600 600 750 250 960 1090 1350 21,0 3-phase 750
001355500 001355550 S 500/85A 850 750 750 900 500 1100 1240 1500 31,0 3-phase 980
¹Heating only beetween two phases *Please see page 32 for more information about mains voltage

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