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500°F Electric Rotary Hearth Oven from Grieve

815 GrieveGrieve Corporation introduces No. 815, a 500°F electric rotary hearth oven, currently in use for preheating gears at a customer’s facility.

Workspace dimensions inside this unit measure 76” wide x 76” deep x 24” high.  A 72” diameter rotary hearth is constructed from angle rings with 90 1-3/8” wide x 7-3/8” long x 3-5/8” high slots to hold the workpieces on edge while processing.  The hearth is driven by a 1/4 HP motor through a gear reducer with torque limiting device.  The hearth indexes one position each time the loading door is opened and closed.

Two 2000 CFM, 2 HP recirculating blowers provide a vertical downward airflow over the workload.  Special safety equipment for handling flammable solvents is featured on this Grieve rotary hearth oven, including a manual reset excess temperature controller, separate heating element control contactors, a 325 CFM powered exhauster, and a purge timer.

No. 815 features an aluminized steel interior and exterior, plus 4” insulated oven walls.  The unit was entirely designed, engineered, built and full 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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650ºF Electric Drawer Oven from Grieve

809 GrieveGrieve Corporation introduces No. 809, a 650°F electric drawer oven, currently in use for preheating spin packs at a  customer’s facility.

Workspace dimensions inside this unit measure 54” wide x 50” deep x 66” high and are accessed by placing the workloads on two tiers of four oven drawers, each 20” x 24” x 7-1/2” and rated at 400 lbs. per drawer.

80 kW power is installed in Incoloy sheathed tubular heating elements.  No. 809 features 6” insulated walls and aluminized steel interior/exterior construction.  A 6000 CFM, 5 HP recirculating blower provides horizontal airflow across each side of the workspace.

A digital, microprocessor-based, thermocouple-actuated indicating temperature controller and fused disconnect switch are also included on this unit, which 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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800ºF Gas-fired Belt Conveyor Oven

956 GrieveNo. 956 is a gas-fired, 800ºF (~427ºC) belt conveyor oven from Grieve, currently used for preheating steel parts at the customer’s facility.  Workspace dimensions measure 30”W x 108”D x 39”H.  400,000 BTU/HR are installed in a modulating natural gas burner to heat the unit, while a 4200 CFM, 3-HP recirculating blower provides vertical downward airflow across the load.

The workload travels through a 24” long open belt loading zone, 108” long insulated heat zone with recirculated airflow and a 24” long open belt unloading zone.  In process, the load rides on a 24” wide, 1” x 1” stainless steel conveyor belt with ¼-HP motor drive to index the belt through the oven heat chamber.

This Grieve belt conveyor oven features 6” insulated walls throughout, aluminized steel interior and exterior, motor-operated vertical lift doors at each end of the heat chamber, plus all safety equipment required by IRI, FM and the National Fire Protection Association (NFPA) Standard 86 for gas-heated equipment, including a 325 CFM, 1/3-HP powered forced exhauster.

No. 956 also features a digital indicating temperature controller onboard.

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

1200°F Gas-heated Belt Conveyor Oven from Grieve

830 GrieveGrieve Corporation introduces No. 830, a 1200°F gas-heated belt conveyor oven, currently in use for preheating electric motor rotors at a customer’s location.

Workloads travel atop a 24” wide, 1” x 1” Type 304 stainless steel flatwire conveyor belt with 3/4 HP motor drive, fixed speed of 15 feet per minute, through a 54” long open belt loading zone, 105” long insulated heat zone with recirculated airflow and a 36” long open unloading zone.

800,000 BTU/HR are installed in a modulating gas burner, while a 6000 CFM, 5 HP recirculating blower provides vertical downward airflow to the workload.

No. 830 features 10” thick insulated walls, comprising 2” of 1900°F block and 8” of 10 lb./cu.ft. density rockwool insulation.  This conveyor oven has an aluminized steel exterior, Type 304, 2B finish stainless steel interior, motor-operated vertical lift doors at each end of the heat zone and 1/4” plate work surfaces at each end of the oven.

All safety devices required by IRI, FM and NFPA Standard 86 for gas-heated equipment are built into this unit, including electronic flame safeguard protection, powered forced exhauster, exhauster airflow safety switch, purge timer, hi/lo gas pressure switches, manual reset main gas valve and testing device for tight closure of main gas valve.

This conveyor oven 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

Continue reading

Combination Airflow Gas-fired Walk-in Oven For Overhead Crane Loading

1000 GrieveNo. 1000 is a gas-fired, 500ºF (~260ºC) walk-in oven from Grieve, specially modified for overhead crane loading at the customer’s facility, in the performance of general heat processing operations.  Workspace dimensions of this oven measure 81”W x 14’D x 12’H.  600,000 BTU are installed in a modulating natural gas burner to heat the unit, while a 17,500 CFM, 15-HP recirculating blower provides combination horizontal/vertical airflow to the load.

This unique Grieve walk-in oven features 4” insulated walls throughout, aluminized steel interior and exterior, air-operated crane access door atop the oven, plus all safety equipment required by IRI, FM and NFPA Standard 86 for gas-heated equipment, including a 1500 CFM powered forced exhauster.

Controls on No. 1000 include a digital programming temperature 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

Continue reading

1100ºF Electric Walk-in Oven from Grieve

No 804 Electric Walk-In OvenNo. 804 is a HIGH TEMPERATURE WALK-IN OVEN for heat treating and curing paint and varnish.

  • maximum operating temperature: 1100°F
  • work space dimensions:  9′ wide x 9′ deep x 9′ high
  • 240 KW installed in Incoloy sheathed tubular heating elements
  • 24,500 CFM, 20 HP recirculating blower providing combination airflow
  • Type 304, 2B finish stainless steel interior
  • inner and outer door gaskets; inner gasket seals directly against door plug; outer gasket seals directly against front face of oven
  • safety equipment for handling flammable solvents
  • 8″ insulated floor with truck wheel guide tracks

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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Specially Modified 500ºF Electric Universal Ovens from Grieve

No. 1001 comprises two electrically-heated, 500ºF (~260ºC) universal ovens from Grieve, specially modified for simultaneous operation with reduced movement by one worker at the customer’s facility, in the performance of general heat processing operations.  Workspace dimensions in each oven measure 24”W x 24”D x 24”H.  5KW are installed in Nichrome wire elements to heat each unit, while a 400 CFM, 1/3-HP recirculating blower provides front-to-rear universal airflow across the load in each unit.

These Grieve universal ovens each feature 4” insulated walls throughout, aluminized stainless steel interior and exterior, motor-operated vertical lift door with foot pedal actuation and an integral leg stand.

Identical controls on each oven of No. 1001 are housed in a NEMA 12 control panel, mounted on opposite sides of the respective ovens for easy access by one individual positioned between them.  The controls on each oven include an automatic door switch to shut off heat and blower motor when the door is opened, as well as a digital indicating temperature controller, manual reset excess temperature controller with separate control contactors, recirculating blower airflow safety switch and 7-day, 24-hour start-up timer.

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

Three-zone, Electrically-heated 500ºF Belt Conveyor Oven from Grieve

794 GrieveNo. 794 is a three-zone, electrically-heated belt conveyor oven from Grieve, currently in use curing a cast silicone rubber layer onto steel rollers.  This unit has a maximum operating temperature of 500°F and a workspace of 30″ W x 96″ D x 24″ H.

The conveyor consists of an 18″ long open belt loading zone, 36″ long insulated unheated entrance vestibule, three 32″ long insulated heat zones with independent recirculated airflow and temperature control, 12″ long insulated unheated exit vestibule and 60″ long open unloading zone.

A 90 KW total heat input is installed in Nichrome wire heating elements, with 30 KW per heating zone.  Three 1,000 CFM, 1 HP recirculating blowers provide vertical downward airflow to the workload.

No. 794 features aluminized steel interior and exterior, as well as 4″ thick insulated walls, a three-pen, 10″ dia. circular chart recorder and a 24″ W, 1″ x 1″ flatwire conveyor belt with 1/2 HP motor drive and variable speed from 1.5 to 4.3 inches per minute.

A customer-specified, multi-color paint finish was also supplied by Grieve on this conveyor oven.

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

Horizontal Airflow Cabinet Oven

1002 Grieve OvenNo. 1002 is an electrically-heated, 500ºF (~260ºC) cabinet oven from Grieve, currently used for various test procedures in the customer’s laboratory. 8KW are installed in Incoloy sheathed tubular elements to heat the unit, while a 400CFM, 1/3-HP recirculating blower provides horizontal airflow across the load.

This Grieve oven features 4” insulated walls throughout, Type 304, 2B stainless steel interior with continuously backwelded seam construction, stainless steel exterior with #4 brushed finish, heavy-duty door and door frame, three nickel-plated wire shelves and adjustable patented opposed louvers on full coverage supply and return ductwork.

No. 1002 is equipped with all safety equipment for handling flammable solvents, including explosion-venting door hardware, powered forced exhauster airflow safety switch, purge timer and digital indicating temperature 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

Continue reading

Electrically-heated 850ºF Belt Conveyor Oven from Grieve

793 GrieveNo. 793 is an electrically-heated belt conveyor oven from Grieve, currently in use drying moisture from tubular heating elements.  This unit has a maximum operating temperature of 850°F and workspace dimensions of 24″ W x 12′ D x 15″ H.

The conveyor consists of a 2′ long open belt loading heat zone, 12′ long insulated heat zone with recirculated airflow and a 2′ long open unloading zone.

7″ thick insulated walls are featured throughout this rugged Grieve oven, which has 80 KW  total heat input installed in Incoloy sheathed tubular heating elements.  A 4,200 CFM, 3 HP reciruclating blower provides vertical downward airflow to the workload.

No. 793 further features an aluminized steel interior and exterior, as well as an 18″ W, 1″ x 1″ flatwire conveyor belt with 1/3 HP motor drive and variable speed from 2.0 to 5.7 inches per minute.

This Grieve oven’s controls and indicators are all mounted in a single enclosure for easy access.

Adjustable dampers at each end of the heat zone can be lowered near the load to minimize heat loss during operation.

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