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Tag Archives: The Grieve Corporation

Grieve Corporation 2000°F Inert Atmosphere Heavy-Duty Box Furnace

No. 954 is an electrically-heated 2000°F(~1093°C) inert atmosphere heavy-duty box furnace from Grieve, currently used for heat treating titanium at the customer’s facility. 57 KW are installed in nickel chrome wire coils, supported by vacuum-formed ceramic fiber, to heat the load. Workspace dimensions are 30” wide x 48” deep x 30” high. The oven’s 7” thick insulated walls comprise 5” of 2300°F ceramic fiber and 2” of 1700°F ceramic fiber, while the 6-1/2” floor insulation comprises 4-1/2” of 2300°F firebrick and 2” of 1200°F block insulation.

The unit is equipped with a roof-mounted heat-resisting alloy recirculating fan, powered by a 1-HP motor with V-belt drive, motor-operated vertical lift door, 100 lb. capacity alloy loading cart with cast alloy roller rails, 3-1/2” diameter cast alloy rollers and a roller rail loading table with 4” diameter cast iron rollers.

This Grieve furnace also features inert atmosphere construction, consisting of a continuously welded outer shell, high temperature door gasket, sealed heater terminal boxes, inert atmosphere inlet, inert atmosphere outlet and inert atmosphere flowmeter.

Controls onboard No. 954 include a digital programming temperature controller, manual reset excess temperature controller with separate contactors, plus a strip chart recorder.

For more information, please contact: THE GRIEVE CORPORATION,   Web: www.grievecorp.com.

Agency contact: Tim Daro, Bernard & Company

NEWS RELEASE:  THE GRIEVE CORPORATION

DATE:   December 21, 2009


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Grieve 500°F Electric Three-Zone Belt Conveyor Oven

No. 1018 is an electrically-heated, 500º F (~260ºC) three-zone belt conveyor oven from Grieve, currently used for drying ceramic parts. Workspace dimensions are 18” wide x 40’ deep x 18” high. 180 KW (60 KW per zone) are installed in Incoloy-sheathed tubular heating elements, while three 3-HP recirculating blowers (total 12,600 CFM) provide vertical downward airflow to the workload. The oven was split into three sections for shipment.

The unit contains a 12” wide, 1/2” stainless steel flat wire conveyor belt with 1/3-HP motor drive, variable from 2 to 30 inches per minute and has a 30” long open belt loading zone and a 60” long open unloading zone.

This Grieve conveyor oven features 4” insulated walls, aluminized steel exterior and Type 304, 2B finish stainless steel interior, three independent doors for access to the workspace, three 325 CFM powered forced exhausters and the unit was built to NEMA 12 electrical standards.  It has disposable fresh air filters in each zone, including photohelic pressure gauges with alarms.

Controls onboard No. 1018 include SCR power controllers and independent recirculated airflow and temperature controls for each of three 162” insulated heat zones.

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: sales@grievecorp.com. Attention: Frank Calabrese.

NEWS RELEASE:  THE GRIEVE CORPORATION

DATE:   November 23, 2009.

Agency contact: Tim Daro 847-934-4500


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1450°F Electric Tempering Furnace from Grieve

No. 837 is a 1450OF electrically-heated tempering furnace from Grieve, currently used for pre-heating prior to welding and various post-welding heat treatments, at a customer’s facility.

837 GrieveWorkspace dimensions of this furnace measure 60” wide x 60” deep x 60” high.  180KW installed in nickel chrome wire coils, supported by a stainless steel framework, provide heat to the load.  A rear wall-mounted, heat-resisting alloy recirculating fan, powered by a 25-HP motor with V-belt drive and water-cooled bearings, is also on-board this unit.

8” thick insulated walls comprise 3” of 2300OF ceramic fiber and 5” block insulation, while 7” floor insulation is made from 5” of 2300OF firebrick and 2” of block insulation.  No. 837 features an air-operated vertical lift door, as well as numerous safety and control components, including a programming and recording temperature recorder, SCR power controller, manual reset excess temperature controller with separate contactors and a recirculating blower airflow safety switch.

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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750°F Class 100 Cleanroom Oven

No. 836 is a 750oF electrically-heated Class 100 cleanroom oven from Grieve, currently used to bake various coatings onto products at a customer’s facility.

836 GrieveWorkspace dimensions of this oven measure 36” wide x 36” deep x 39” high. 30 KW installed in Incoloy sheathed tubular heating elements provide the maximum temperature of   750OF, while a 1000 CFM, 1 ½-HP recirculating blower maintains horizontal airflow across the load.

No. 836 features a Type 304, 2B finish stainless steel interior with continuously backwelded seams, an exterior finished with white epoxy paint #4, brushed finish stainless steel door face and control panel face.  The oven has 6” insulated walls and an aluminized exterior.

Additional equipment on this Grieve oven include a 30” x 24” x 6” thick stainless steel high temperature HEPA recirculating air filter, digital programming temperature controller, manual reset excess temperature controller with separate contactors, recirculating blower airflow safety switch and a 10” diameter circular chart recorder.

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 Electric Top-loading Oven

1007 GrieveNo. 1007 is an electrically-heated, 500º F (~260ºC) top-loading oven from Grieve, currently used for curing composite components. Workspace dimensions are 26-1/2’ wide x 2’ deep x 2-1/2’ high. 60 KW are installed in Nichrome wire heating elements and three (3) 3-HP recirculating blowers total 9000 CFM to provide horizontal rear-to-front airflow to the workload.

This Grieve top-loading oven features 4” insulated walls, aluminized steel interior and exterior, motor-operated rear-hinged door and compressed air manifold with eight connections. The unit meets NEMA 12 electrical standards, while the floor of the workspace is reinforced for 5000 lb. loading to support the customer’s fixtures.

Controls onboard No. 1007 include a digital programming temperature controller, 16-point strip chart recorder and tower light to indicate machine status.

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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350°F Electric Tunnel Oven

1006No. 1006 is an electrically-heated 350°(~177°C) gravity roller design, conveyorized tunnel oven from Grieve, currently used for drying precipitate in pans at the customer’s facility. Workspace dimensions of this oven measure 66” wide x 19’ deep x 15” high. 120 KW are installed in Incoloy sheathed tubular heating elements, while a 17,500 CFM, 15-HP recirculating blower provides vertical downward airflow.

This Grieve oven features 4” insulated walls, aluminized steel interior and exterior and a gravity roller conveyor with 1.9” diameter rollers on 6” centers.  It also includes a 4’ long open loading zone, 19’ long insulated heat zone and 4’ long open uploading zone.

Additionally, controls on No. 1006 include a digital indicating temperature controller, manual reset excess temperature controller with separate control contactors, recirculating blower airflow safety switch and NEMA 12 control enclosure with fused disconnect.

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 Gas-heated Two-zone Conveyor Oven from Grieve

Grieve Corporation introduces No. 810, a 500°F gas-heated, two-zone belt conveyor oven, currently in use for curing aluminum pistons at a customer’s facility.

810 Grieve

Workspace dimensions inside this unit measure 42” wide x 24’ deep x 15” high.  The workloads travel atop a 36” wide, 1” x 1” high carbon steel flat wire conveyor belt with 1/4 HP motor drive, variable from 0.8 to 15 inches per minute, through an 18” long open loading zone;  36” long insulated heat zone with 2 HP, 2000 CFM recirculated airflow;  16” long insulated, unheated vestibule;  16’ long insulated heat zone with 10 HP, 12,500 CFM recirculated airflow;  12” long open zone;  36” long cooling zone and finally an 18” long open unloading zone.

350,000 BTU/HR are installed in modulating natural gas burners in each of the two heating zones on this Grieve conveyor oven.  An aluminized steel exterior houses 4” insulated walls, Type 304 stainless steel interior with continuously welded seams in Zone One and aluminized steel interior in Zone Two.

A 16” diameter tubeaxial fan driven by a 3/4 HP motor pulls room air through the cooling zone.

All safety equipment required for gas heated equipment by IRI, FM and NFPA Standard 86 is on No. 810, including 325 CFM, 1/3 HP  powered forced exhausters, airflow safety switches, hi/lo gas pressure switches, excess temperature controllers and electronic flame safeguard protection.

This unit also features doors at both ends of the workspace to contain heat, as well as pushbutton electric ignition for ease of operation and a recording thermometer.   No. 810 was entirely designed, engineered, built and fully tested by Grieve.

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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Two-zone 500ºF Electric Cabinet Oven from Grieve

No. 840 is a 500oF electrically-heated, two-zone vertical airflow cabinet oven from Grieve, currently used to dry coatings on fishing line at a customer’s facility.

840 GrieveWorkspace dimensions of the top heating chamber measure 36” wide x 12” deep x 36” high, while the lower chamber is 36” wide x 12” deep x 60” high.  30KW installed in Incoloy-sheathed tubular heating elements (15KW per chamber) provide the heat, while two 1000 CFM, 1-HP recirculating blowers provide vertical airflow in each heating zone

This Grieve oven has aluminized steel interior and exterior, plus 4” insulated walls throughout.  Eight ¾” diameter ports through the roof and floor of each heating zone allow the workload to pass through.

Safety and control equipment on No. 840 include digital indicating temperature controllers, manual reset excess temperature controllers with separate contactors and recirculating blower airflow safety switches for each heating zone..

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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500ºF Two-zone Top-loading Oven

1012No. 1012 is an electrically-heated, 500ºF (~230ºC) top-loading oven from Grieve, currently used for testing electronic equipment. Two zones, each 96” wide x 12” deep x 12” high, can be separated for use as independent ovens. 24 KW (12 KW per load) are installed in Incoloy-sheathed tubular heating elements and two 1/3-HP recirculating blowers provide a total horizontal airflow of 1200 CFM to the workload.

This Grieve top-loading oven features 4” insulated walls, aluminized steel interior and exterior, manually operated rear hinged door, reinforced flooring that can accommodate a load up to 500 lbs. and swivel casters with swivel lock and wheel brakes.

Controls onboard No. 1012 include a digital indicating temperature controller, manual reset excess temperature controller with separate contactors and recirculating blower airflow safety switch.

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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550ºF Electric Belt Conveyor Oven from Grieve

Grieve Corporation introduces No. 820, a 550°F electric belt conveyor oven, currently in use for heat treating mattress springs at a customer’s facility.

820 Grieve

Workloads travel atop an 84” wide, 1” x 1” high-carbon steel flat wire conveyor belt with 1/2 HP motor drive, variable from 2.9 to 8 feet per minute, through a 6’ long open belt loading zone; 20’ long, insulated heat zone with recirculated airflow and, finally, a 6’ long open unloading zone.

360 kW  power is installed in Incoloy sheathed tubular heating elements, while a 24,500 CFM, 20 HP recirculating blower provides vertical downward airflow onto the workload.

No. 820 features rugged Grieve construction, with an all-welded aluminized steel exterior, Type 430 stainless steel interior, 4” insulated walls and heavy-duty structural steel channel base.

Safety equipment on this jumbo conveyor oven includes a digital indicating temperature controller, manual reset excess temperature controller with separate heating element control contactors, recirculating blower airflow safety switch and an exhaust hood over each end equipped with a 12” diameter tubeaxial fan driven by a 3/4 HP motor.

This unit was entirely designed, engineered, built and fully tested by Grieve.

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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