Inert Atmosphere Furnace operates up to 2,000°F.

Press Release Summary:

Providing 36 x 60 x 36 in. workspace dimensions, No. 1039 is equipped with 73 KW ICA wire coils supported by vacuum formed ceramic fiber installed on all interior surfaces. System has roof-mounted, heat-resisting alloy circulating fan powered by 1 hp motor with V-belt drive, water-cooled bearings, and inert atmosphere shaft seal. Suitable for heat treating applications, furnace is constructed with 9 in. thick walls comprised of 5 in. of 2,300°F ceramic fiber and 4 in. of 1,900°F block insulation.

Original Press Release:

2000°F Inert Atmosphere Heavy-Duty Furnace from Grieve

No. 1039 is a 2000°F (1093°C), inert atmosphere, heavy-duty furnace from Grieve, currently used for heat treating turbine components at the customer’s facility. Workspace dimensions of this furnace measure 36” W x 60” D x 36” H. 73 KW are installed in ICA wire coils supported by vacuum formed ceramic fiber installed on all interior surfaces, including door and beneath the hearth.

This Grieve inert atmosphere furnace has a roof-mounted, heat-resisting alloy circulating fan powered by a 1-HP motor with V-belt drive, water cooled bearings and inert atmosphere shaft seal.  Furnace features include 9” thick insulated walls comprised of 5” of 2300°F ceramic fiber and 4” of 1900°F block insulation; 8 ½” floor insulation comprised of 4 ½” of 2300°F firebrick and 4” of 1900°F block insulation. Other features include ¼” plate exterior reinforced with structural steel, ½” steel face plate at doorway with air-operated vertical lift door. Inert atmosphere construction includes continuously welded outer shell, high-temperature door gasket, sealed heater terminal boxes, inert atmosphere inlet, inert atmosphere outlet, inert atmosphere flow meter and manual gas valve.

Controls on No. 1039 include a digital programming temperature controller, a manual reset excess temperature controller with separate contactors, paperless event recorder and SCR power controller.

For more information, please contact:


500 Hart Road

Round Lake, Illinois 60073-2835 USA

Phone: (847) 546-8225

Fax: (847) 546-9210



Attention:  Frank Calabrese

More from Controls & Controllers

All Topics

COVID-19 Response Suppliers COVID-19 Response:
Can Your Company Help Provide Critical Supplies?

We are using the power of our platform to aid in the mass shortage of critical supplies. If your company can help provide supplies, capabilities, or materials for products such as N-95 Masks and Tyvek SuitsPlease let us know.

COVID-19 Response Suppliers