C-336 Large Capacity Furnace

Cress Manufacturing

C-336 Large Capacity Furnace

Heating Application

Hardening, Annealing, and Tempering

Exterior Dimensions WxLxH in.

52 x 65 x 78

Capacity Cu. Ft. (L)

27.0 (764.64)

Chamber Dimensions WxLxH in.

36 x 36 x 36

Max Input Power (kW)


Max Intermittent Temp


Max Continuous Temp


Heating Elements

Heavy chrome-nickel wire coils mounted in the walls and door


2400 lbs

Voltage Requirement

240V (3 Phase AC)

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The Cress C-336 Large Capacity Furnace - designed for various types of heat treating.
Equipped with a 6 bladed axial flow fan, circulating heat evenly in the chamber
from 200F to 1950F

CONTROLS: These furnaces come standard with a digital programmable main control and a digital high limit safety control. Solid state power switching to the heating elements, and dual door limit safety switches that interrupt power to the elements when the door is opened. All wiring is complete and ready to be connected to your power source. Input controls allow operator to adjust temperatures of various zones so that uniform temperatures can be had throughout the chamber.

ELEMENTS: High temperature alloy wire elements are mounted in grooves on the walls and door, this provides all around heating and close gradients throughout the furnace chamber.

18 GAUGE CONSTRUCTION Furnace frame is constructed of 2 1/2″ x 2 1/2″ x 3/16″ angle steel with 18 gauge sheet steel panels. The door is mounted on heavy hinges on the side and secured in the closed position with a heavy duty latch. A Kaowool rope seal is installed on the door where it meets the chamber. The exterior is finished in a hammertone gray enamel. Walls are constructed of 4 1/2″ of insulating brick backed up by 2″ of 1800F block insulation.

All walls and door are constructed of 4 1/2″ of the finest quality insulating brick backed up by 2″ of 1800F block insulation. This combination of insulation and wall thickness helps to give fast heat up and excellent heat retention for economical operation.

  • 480 Volt, 3 Phase
  • 2250F Maximum Temperature Option
  • Optional Heating Coils In Plate
  • Optional Embedding of Heating Coils In Plate
  • Optional Temperature Recorders Are Available
  • Audible Process Alarm