Displaying items by tag: Grieve

Wednesday, 04 December 2019 10:45


No. 1049 is a 1050°F (566°C), cabinet oven with two drawers from Grieve, currently used for annealing or normalizing processes at the customer’s facility. Workspace dimensions of this oven measure 39” W x 102” D x 51” H, with two drawers rated 250 lbs. loading with 36” wide x 78” deep x 15” high loading area. 800,000 BTU/hour installed in a modulating natural gas burner, while a 10,000 CFM, 7-1/2 HP recirculating blower provides horizontal airflow to the workload.

This Grieve oven features 10” thick insulated walls comprised of 2” 2000°F ceramic blanket and 8” of 10 lb/cf density rockwool. Features include a top mounted heat chamber, aluminized steel exterior and Type 304, 2B finish stainless steel interior. Additional features include a rear door for access to workspace and heat chamber, exhaust hood over drawers and motorized dampers on intake and exhaust for accelerated cooling.

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The oven includes all safety equipment required by IRI, FM and National Fire Protection Association Standard 86 for gas-heated equipment, including 1800 CFM stainless steel powered forced exhauster. It also meets AMS2750, Class 2 (±10F), Type C (survey thermocouple at hottest and coldest location).

Controls on the No. 1049 include a digital indicating temperature controller, two digital shutdown timers, one for burner and one for oven and a circuit breaker disconnect switch.

For more information, please contact: THE GRIEVE CORPORATION, 500 Hart Road, Round Lake, Illinois 60073-2835 USA. Phone: (847) 546-8225. Fax: (847) 546-9210. Web: www.grievecorp.com. Email:  This email address is being protected from spambots. You need JavaScript enabled to view it.. Attention:  Frank Calabrese.

Published inProduction

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.

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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.

For more information, please contact:  THE GRIEVE CORPORATION,

500 Hart Road, Round Lake, Illinois 60073-2898 USA.  Phone: (847) 546-8225. 

Fax: (847) 546-9210.  Web: www.grievecorp.com.  Email: This email address is being protected from spambots. You need JavaScript enabled to view it..  Attention:  Frank Calabrese.

Published inProcessing