Space Saving Dual Chamber Electric Unit

DU-1224 with Atmoshpere pkg.

One Furnace with Separate
Hardening and
Drawing Chambers

• Digital readout, microprocessor based controller.
• SCR Power Controllers and Temperature Controls are mounted on the side for ready access and service.
• Heavy duty, low watt density elements for maximum heating element life located in the top, bottom and both sides of the heating chamber.
• Safety door switch interlock for power control. Power is off when upper chamber opens.
• Swing out, gasket sealed, plug type doors with plunger and cam locks.
• Heat resistant chrome-nickel-alloy hearth plate.
• High temperature ceramic fiberboard insulation backed up with high temperature castable cement for maximum insulating value. Heating elements enclosed in preformed insulating panels provide fast heating, and easy replacement.
• Heavy steel plate fabricated furnace case.
• Recirculating fan and inner chamber liner are heat resistant chrome nickel steel on lower chamber.
• Heavy duty fan drive assures uniform temperature in draw chamber.
• Some models available with atmosphere control package for upper chamber for heat treating with inert gases.
  

Dimensions and Specifications for Combination Dual Unit Furnaces

FURNACE MODEL	HARDENING CHAMBER   DOOR W H CHAMBER W H D HEARTH AREA W L KW	DRAWING CHAMBER DOOR SIZE CHAMBER W H D KW FAN MOTOR	OVERALL DIMENSION W H D	VOLTS	Ph.	FLOOR SPACE	APPROX. WEIGHT
DU-1020*	12 10 14 14 20 12 22.25 10	16" sq. 16 16 16 14 1/2 hp	39 67 41	240/480	1 or 3	39 x 41	1,832 lbs.
DU-1224*	14 14 16 16 29 13.5 27 15	12x18 18 12 25 18 1/2 hp	40 64 46	240/480	1 or 3	40 x 46	1,969 lbs.
DU-2020*	20 20 21 22 30 21 30 29	20x18 20 18 28 20 1/2 hp	45 76 48	240/480	3	45 x 48	3,400 lbs.

*Atmosphere control option decreases the door opening by one (1") inch
in all directions and the chamber depth by one (1") inch.
The dimension charts are for the standard units only.