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Tag Archives: inert atmosphere

2000°F Inert Atmosphere Heavy-Duty Furnace from Grieve

 

Grieve 1039 Inert Atmosphere FurnaceNo. 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:

THE GRIEVE CORPORATION
500 Hart Road
Round Lake, IL  60073-2898
Phone:  (847) 546-8225
Fax:  (847) 546-9210
Web:  www.grievecorp.com
Email:  sales@grievecorp.com
Attention:  Frank Calabrese, VP

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500°F Inert Atmosphere Oven from Grieve

Grieve_870

No. 870 is a 500°F (260°C), inert atmosphere oven from Grieve, currently used for aging rubber parts at the customer’s facility. Workspace dimensions of this oven measure 36” W x 60” D x 36” H. 12 KW are installed in lncoloy sheathed tubular heating elements, while a 600 CFM, ½ HP recirculating blower provides universal airflow to the workload.

This Grieve inert atmosphere oven has 4” insulated walls, an aluminized steel exterior and Type 430 stainless steel interior. The oven features inert atmosphere construction, including a pressure regulator, flow meter, pressure gauge, inner oven walls sealing directly against ½” thick silicone rubber door seal,  air jacket on the inner oven for cooling, blower shaft seal, positive latching door hardware, adjustable offset door hinges, outlet with pressure relief, interior seams welded gas-tight and all wall penetrations fitted with compression fittings.  Also onboard is a 650 CFM blower with 2-position motorized dampers to pull air through the air jacket on the inner oven for cooling.

Controls on No. 870 include a recording and programming temperature controller.

THE GRIEVE CORPORATION
500 Hart Road
Round Lake, IL  60073-2898
Phone:  (847) 546-8225
Fax:  (847) 546-9210
Web:  www.grievecorp.com
Email:  sales@grievecorp.com
Attention:  Frank Calabrese

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1250ºF Electric Inert Atmosphere Batch Cabinet Oven from Grieve

805 GrieveNo. 805 is a 1250ºF (~677ºC) electric, inert atmosphere batch cabinet oven from Grieve, currently used for annealing copper motor coil parts at the customer’s facility.

Workspace of this unit measures 36” W x 96” D x 36” H.  60KW are installed in Incoloy sheathed tubular elements to heat the oven, while a 4,000 CFM, 3HP recirculating blower provides universal airflow to the workload.

This Grieve cabinet oven has 10” insulated walls throughout, comprising 2” of 1900ºF block and 8” of 10 lb. density rockwool, as well as a 16 ga. stainless steel interior and integral oven leg stand.  A 975 CFM blower is onboard to pull air through the air jacket of the inner oven for cooling.  The oven is constructed to JIC/NEMA 12 electrical standards.

As an inert atmosphere oven construction, No. 805 also includes a pressure regulator, flow meter, pressure gauge, internal high temperature gasket, bellows type seal in the doorway, 1/2” thick cellular silicone rubber atmosphere seal, blower shaft seal, positive latching door hardware, adjustable offset door hinges, outlet with pressure relief, interior seams welded gas-tight and all wall penetrations equipped with compression fittings.

For more information, please contact:

THE GRIEVE CORPORATION
500 Hart Road
Round Lake, IL  60073-2898
Phone:  (847) 546-8225
Fax:  (847) 546-9210
Web:  www.grievecorp.com
Email:  sales@grievecorp.com
Attention:  Frank Calabrese, VP

Continue reading