Air-circulation Chamber Furnaces up to 850°C

Air-Circulation Bench Type Furnace KU 15/06/A
Air-circulation Chamber Furnaces KU 40/04/A – KU 540/08/A
T max 450 °C, 650 °C and 850 °C

Air-circulation chamber furnaces up to 850 °C, mainly used for annealing, tempering, ageing, pre-heating, drying, shrinking, baking, testing
Rugged casing construction made of high-grade steel sheets
Swinging door hinged on the right
Inner liner of heat-resistant stainless steel > Long service life, extremely resilient, corrosion resistant
2 sheet-metal trays included as standard (KU 15/06/A without trays, for 850 °C models sheet metal trays as option)
High-grade heating elements with long service life
Heating from several sides, powerful horizontal air circulation > Excellent temperature uniformity up to +/-3 K in accordance with DIN 17052
High-grade insulation > Low energy consumption, low operating costs
Base included in standard supply (KU 15/06/A as bench-type furnace without base)

Options:

Air circulation furnaces are used for many different applications. The available options meet the specific requirements for the desired heat treatment process. We also supply all furnaces in customized dimensions on request. Automatic exhaust flap control
Enables exhaust flap to be operated via controller Air extraction
Ensures fast venting of the furnace chamber Cooling fanFor flushing and for forced cooling of the batch Inert gas connection and sealing
Prepares furnace for semi-gastight operation Furnace operation with inert gas retort
Annealing and tempering under inert gas, cooling under inert gas, superb results, bright surfaces almost without oxidation Lift door with pneumatic drive, operated by foot or hand switch Charging supports
Charging wagon, shown here with a stainless-steel rack, for safe and convenient charging

Model	T max [°C]	Inside dimensions [mm] [width x depthx height]	Volume [l]	Outside dimensions [mm] [width x depth x height]	Power [kW]	Voltage [V]	Weight [kg]
KU 40/04/A	450	300 x 400 x 300	35	540 x 1050 x 1270	3,2	230 1/N	115
KU 70/04/A	450	350 x 500 x 400	70	590 x 1150 x 1370	6,4	400 3/N	130
KU 140/04/A	450	450 x 600 x 500	135	690 x 1250 x 1470	9,6	400 3/N	205
KU 270/04/A	450	600 x 750 x 600	270	840 x 1450 x 1620	12,8	400 3/N	370
KU 540/04/A	450	750 x 900 x 800	540	990 x 1600 x 1820	19,2	400 3/N	540

KU 15/06/A	650	300 x 350 x 150	15	500 x 900 x 440	2,4	230 1/N	50
KU 40/06/A	650	300 x 400 x 300	35	540 x 1050 x 1270	4,0	400 3/N	125
KU 70/06/A	650	350 x 500 x 400	70	590 x 1150 x 1370	8,0	400 3/N	140
KU 140/06/A	650	450 x 600 x 500	135	690 x 1250 x 1470	12,0	400 3/N	220
KU 270/06/A	650	600 x 750 x 600	270	830 x 1560 x 1610	16,0	400 3/N	390
KU 540/06/A	650	750 x 900 x 800	540	990 x 1600 x 1820	24,0	400 3/N	560

KU 40/08/A	850	300 x 400 x 300	35	850 x 1360 x 1470	6,0	400 3/N	290
KU 70/08/A	850	350 x 500 x 400	70	900 x 1460 x 1570	10,0	400 3/N	360
KU 140/08/A	850	450 x 600 x 500	135	1000 x 1560 x 1670	14,0	400 3/N	580
KU 270/08/A	850	600 x 750 x 600	270	1150 x 1710 x 1770	20,0	400 3/N	770
KU 540/08/A	850	750 x 900 x 800	540	1300 x 1860 x 1970	30,0	400 3/N	920

Air-circulation Chamber Furnaces
KM 1000/06/A - KM 2000/08/A
T max 650 °C and 850 °C

Air-circulation chamber furnaces designed for heavy industrial applications with charging weights of more than several tonnes
Rugged casing construction made of high-grade steel sheets
Standard furnace door designed as hinged door
Inner liner of heat-resistant stainless steel > Long service life, extremely resilient, corrosion resistant
High-grade heating elements with long service life
Heating from several sides, powerful horizontal air circulation > Excellent temperature uniformity up to +/-7 K in accordance with DIN 17052
Optimal air circulation by means of air outlets, adapted to the charge
High-grade insulation > Low energy consumption, low operating costs

Options:

Hydraulic lifting door
Automatic control of exhaust flaps
Powerful cooling system
Furnace in semi-gastight version with inert-gas connection for operation with protective gases
Customised designs made to order

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]
KM 1000/06/A	650	1000 x 1000 x 1000	1000	2300 x 2100 x 3200	36	400 3/N	1300
KM 1500/06/A	650	1500 x 1000 x 1000	1500	2800 x 2100 x 3200	48	400 3/N	1500
KM 2000/06/A	650	2000 x 1000 x 1000	2000	3400 x 2100 x 3200	72	400 3/N	1750

KM 1000/08/A	850	1000 x 1000 x 1000	1000	2400 x 2200 x 3300	42	400 3/N	1300
KM 1500/08/A	850	1500 x 1000 x 1000	1500	2900 x 2200 x 3300	54	400 3/N	1500
KM 2000/08/A	850	2000 x 1000 x 1000	2000	3500 x 2200 x 3300	80	400 3/N	1750

(Other sizes on request)