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	FURNACES		ASHING & BURN-OFF FURNACES

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1100°C ASHING & BURN-OFF FURNACES

AAF 11/7/301 General Features
Five different ashing and burn-off furnace models to choose from.
Select the model and design best suited to your need, based on the process and material to be heated.
Air inlets located in front of chamber and outlet chimney in rear facilitate natural convective air flow.
Maximum operating temperature of 1100°C.
Chamber airflow provides oxygen to enhance ashing or burning process, and removal of exhaust.
Isolation of heating element from working chamber in AAF and GSM furnaces eliminates potential of element contamination by process.
Reduction of carbon build-up is assured by airflow through the furnace chamber.
BWF high power graded element winding provides enhanced heat-up and improved chamber uniformity.
Large diameter extended chimney provides for efficient process exhaust.
Wire wound muffles heat the chamber from 4 sides, providing good temperature uniformity.
Models AAF 11/3, AAF 11/7 and GSM 11/8 all incorporate traditional wire-wound muffle design.
GSM fused quartz muffle offers superior containment of aggressive atmospheres.
Unique GSM quartz muffle provides dust free working chamber.
Model AAF 11/18 isolates heating elements with protective silicon carbide tiles.
Vertical lift door design keeps hot door insulation away from the operator.
Positive break door safety switch isolates power to the heating elements when door is opened.
Low outer case temperature provided through double shell construction.
Choice of Model 301 control or programmers.

Applications	Sample Materials	Furnace Type
Ashing for Material Analysis	● Natural Materials & Fibers	● BWF & AAF
	● Natural Materials & Fibers, Animal Fats, Man Made & Natural Hydrocarbons	● AAF
	● Natural Materials & Fibers, Animal Fats, Man Made & Natural Hydrocarbons, H₂S0_4,NO0₃, HCL	● GSM
Ashing for Material Analysis in a Dust Free Chamber	● Natural Materials & Fibers, Animal Fats, Man Made & Natural Hydrocarbons, H₂S0_4,NO0₃, HCL	● GSM
Burn-Off and Removal of Material for Cleaning	● Natural Materials & Fibers	● BWF & AAF
Burn-Off and Removal of Material for Cleaning	● Natural Materials & Fibers, Man Made & Natural Hydrocarbons	● AAF

1100°C Ashing & Burn-Off Furnaces

Model	Max. Temp. (°C)	Interior Dimensions H x W x D in"	Exterior Dimensions H x W x D in"	TC Type	Max. Power (KW)	Volts	Ship Weight lbs
AAF 11/13	1100	6.25" x 6" x 10"	22.75" x 14.5" x 19"	K	1.75	120/208/240	53
AAF 11/7	1100	3.5" x 6.75" x 18"	22.5" x 17" x 29"	K	3.9	208/240	160
AAF 11/18	1100	9.25" x 7.75" x 15.75"	27.75" x 20" x 26.5"	K	7.25	208/240	160
GSM 11/18	1100	4.75" x7" x 13.5"	27.75" x 20" x 28.5"	k	3.0	208/240	152
●BWF 11/13	1100	8" x 8" x 13"	25.75" x 17.25" x 24"	K	3.1	208/240	113

Note: BWF 11/13 is stocked with 301 digital controller.

● Stock Product

Furnaces operate on single phase voltage. Specify voltage at time of order.

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