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	FURNACES		AIR RECIRCULATING FURNACES

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750°C AIR RECIRCULATING FURNACES

HRF 7/22/301 General Features
Maximum operating temperature of 750°C.
Two chamber sizes available.
Long-life mineral insulated sheathed heating elements are provided on both sides of the chamber.
Powerful centrifugal fan forces air over the heating elements for efficient heating of chamber.
Fan and air guide system provides continuous movement of air around the load for maximum temperature uniformity.
Heavy duty stainless steel chamber liner.
Chamber is fitted with shelf runners for convenient placement of optional shelves.
Choice of Model 301 control or programmers.
Side hinged door minimizes heat loss.
Low thermal mass insulation improves energy efficiency.
Dense refractory around chamber entrance resists abrasion and wear.
Chamber vent provides for process exhaust.

HRF Air Flow

Typical Applications

Stress Relieving

Annealing

Tempering

Thermal Aging

Melting Low Temperature Materials

750°C Air Recirculating 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

HRF 7/22

750

8.75" x 8" x 19.5"

23.25" x 17.75" x 34.25"

208/240

164

HRF 7/45

750

11.5" x 10.5" x 22.5"

29.75" x 23.75" x 43.25"

204/240

295

Furnaces operate on single phase voltage

Specify Voltage at time of order.

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