Air Circulation Chamber Furnaces Electrically Heated also for Debinding in Air and under Protective Gases: 马来西亚的首选 Obsnap Instruments Sdn. Bhd.

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Chamber furnaces with air circulation are characterized particularly by their very good temperature uniformity. As a result, they are well suited for processes such as calcination and drying e.g. ceramic materials. The design as a debinding furnace for safe debinding in air or in an inert atmosphere is possible. When used for debinding in air the exhaust gases are diluted by fresh air to reliably prevent an inflammatory atmosphere in the furnace chamber. For debinding processes that have to take place under inert gas, the IDB passive safety concept with a residual oxygen content of max. 3 % is recommended.

Tmax 450 °C, 650 °C, or 850 °C
Stainless steel air-baffles in the furnace for optimum air circulation
Swing door hinged on the right side
Base frame included in the delivery, NA 15/65 designed as table-top model
Horizontal air circulation
Temperature uniformity up to +/- 4 °C according to DIN 17052-1 (model NA 15/65 up to +/- 5 °C)
Optimum air distribution enabled by high flow speeds
One frame sheet and rails for two additional trays included in the scope of delivery (NA 15/65 without frame sheet)
Defined application within the constraints of the operating instructions
NTLog Basic for Nabertherm Controller: Recording of process data with USB-flash drive

Additional equipment (not for model NA 15/65)

Optimization of the temperature uniformity up to +/- 3 °C according to DIN 17052-1
Air inlet and exhaust air flaps when used for drying
Controlled cooling with fan
Manual lift door (up to model N(A) 120/.. (HA))
Pneumatic lift door
Air circulation with speed control, recommendable for processes with light or sensitive charge
Additional frame sheet
Roller conveyor in furnace chamber for heavy charges
Designed for Tmax 950 °C
Safety technology according to EN 1539 (NFPA 86) (models NA .. LS) for charges containing solvents
Inlets, measuring frames and thermocouples for TUS measurements charge or comparative measurements
Process control and documentation via VCD software package or Nabertherm Control Center (NCC) for monitoring, documentation and control

Model	Tmax	Inner dimensions in mm			Volume	Outer dimensions⁶ in mm			Heating	Electrical	Weight	Heat-up time⁵	Cool-down time⁵ from Tmax
									power in kW³			to Tmax	to 150 °C in minues
	°C	w	d	h	in l	W	D	H	NA/NA .. LS	connection	in kg	in minutes	Flaps⁴	Fan cooling⁴
NA 120/45(LS)	450	450	600	450	120	1250	1550	1550	9.0 / 18.0	3-phase	460	60	240	30
NA 250/45(LS)	450	600	750	600	250	1350	1650	1725	12.0 / 24.0	3-phase	590	60	120	30
NA 500/45(LS)	450	750	1000	750	500	1550	1900	1820	18.0 / 24.0	3-phase	750	60	240	30

NA 15/65¹	650	295	340	170	15	470	790	460	2.8	1-phase	60	40	-	-
NA 60/65	650	350	500	350	60	910	1390	1475	9.0	3-phase	350	120	270	60
NA 120/65	650	450	600	450	120	990	1470	1550	12.0	3-phase	460	60	300	60
NA 250/65	650	600	750	600	250	1170	1650	1680	20.0	3-phase	590	90	270	60
NA 500/65	650	750	1000	750	500	1290	1890	1825	27.0	3-phase	750	60	240	60

N 30/85 HA	850	290	420	260	30	607 + 255	1175	1315	5.5	3-phase²	195	180	900	90
N 60/85 HA	850	350	500	350	60	667 + 255	1250	1400	9.0	3-phase	240	150	900	120
N 120/85 HA	850	450	600	450	120	767 + 255	1350	1500	13.0	3-phase	310	150	900	120
N 250/85 HA	850	600	750	600	250	1002 + 255	1636	1860	20.0	3-phase	610	180	900	180
N 500/85 HA	850	750	1000	750	500	1152 + 255	1886	2010	30.0	3-phase	1030	180	900	210
N 675/85 HA	850	750	1200	750	675	1152 + 255	2100	2010	30.0	3-phase	1350	210	900	210
¹Table-top model ²Heating only between two phases ³Depending on furnace design connected load might be higher ⁴Additional equipment ⁵Empty furnace ⁶External dimensions vary when furnace is equipped with additional equipment. Dimensions on request.

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