14000F ELECTRIC INERT ATMOSPHERE TEMPERING FURNACE

Description

No. 885 is a 1400°F electric, inert atmosphere tempering furnace from Grieve, currently used for heat treating weldments at a customer’s facility.  Workspace dimensions of this unit measure 24”W x 36”D x 24”H.  
42 kW installed in nickel chrome wire coils, supported by a stainless steel frame, heat the workspace, while a heat resistant alloy recirculating blower, powered by a 5-HP motor, provides vertical downward airflow to the workload.
This tempering furnace features 7” thick insulated walls, comprising 1” of 2300°F ceramic fiber blanket, 2” of 1700°F ceramic fiber blanket, 2” of block insulatin and 2” of rockwool insulation.  The 6-1/2” thick furnace floor comprises 4-1/2” of 2300°F firebrick and 2” of block insulation.  16 ga. Stainless steel interior lagging and a stainless steel subway grating hearth are also included.
No. 885 has an electrically-operated vertical lift door with an automatic door switch to shut off the heaters when the door is opened.
Grieve’s inert atmosphere construction includes a continuously welded outer shell, a high-temperature door gasket, sealed heater terminal boxes, an inert atmosphere inlet and inert atmosphere outlet, plus a recirculating blower shaft seal.
This furnace also has an inert atmosphere flowmeter and digital programming temperature controller onboard.

Specs

• -Maximum Temperature: 2000f -Workspace Dimensions: 30" Wide X 48" Deep X 30" High
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