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Category Archives: Grieve Corporation

1000ºF Walk-in Oven for Heat Cleaning Large Valves

No. 910 is a 1000ºF, gas-fired, high-temperature walk-in oven from Grieve, currently used for heat cleaning large valve bodies at the customer’s facility. Workspace dimensions of this oven measure 60” W x 120” D x 78” H.   880,000 BTU are installed in a modulating natural gas burner to heat the oven chamber, while a 12,500 CFM, 10 HP recirculating blower provides combination airflow to the workload.

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This Grieve oven features 8” thick insulated walls made from 2” of 1900ºF block and 6” of 10 lb/cf density rockwool; top-mounted heat chamber; 16 ga aluminized steel oven interior, 16 ga stainless steel heat chamber interior and 16 ga aluminized steel exterior.  Inner and outer door gaskets are provided, with the inner gasket sealing directly against the door plug and the outer gasket sealing directly against the face of the oven.  The 6” insulated oven floor features truck wheel guide tracks and Grieve also furnished the customer an 8000 lb capacity flatbed loading truck with this walk-in oven.

All safety equipment required by IRI, FM and NFPA Standard 86 for gas-heated equipment are provided on the oven, including a 1500 CFM, 2 HP powered forced exhauster.

Controls on No. 910 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

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500ºC (932ºF) Inert Atmosphere Oven for Heating Polymer Fibers

1033rtNo. 1033 is a 500ºC (932ºF) inert atmosphere oven from Grieve, currently used for heating polymer fibers at the customer’s facility.  Workspace dimensions of this oven measure 54” W x 36” D x 84” H.   60 KW are installed in Incoloy-sheathed tubular elements to heat the oven chamber, while a 10,000 CFM, 7-1/2 HP recirculating blower provides vertical downward airflow to the workload.

This Grieve oven features 8” thick insulated walls plus an aluminized steel exterior and Type 304, 2B finish stainless steel interior.  The inert atmosphere construction comprises a gas pressure regulator, flow meter, pressure gauge, internal high-temperature gasket, all welded expansion connection in doorway throat, air jacket on inner oven for cooling, ½” thick cellular silicone rubber atmosphere seal, blower shaft seal, pneumatic positive latching door hardware, adjustable offset door hinges, outlet with pressure relief, interior seams all welded gas-tight plus all wall penetrations are fitted with compression fittings.  A 0-1500 CFM blower pulls air through the air jacket on the inner oven for faster cooling.

Controls on No. 1033 include a digital programming temperature controller, manual reset excess temperature controller with separate contactors, recirculating airflow safety switch, paperless event recorder, SCR power controller and trace level oxygen analyzer.

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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Gravity-Conveyorized Tunnel Oven for Preheating Metal Housings

1008rtoutlinedNo. 1008 is a 500ºF tunnel oven with gravity roller conveyor from Grieve, currently used for preheating metal housings at the customer’s facility.  Workspace dimensions of this oven measure 42” W x 72” D x 30” H.   30 KW are installed in Incoloy-sheathed tubular elements to heat the oven chamber, while a 3000 CFM, 1-1/2 HP recirculating blower provides vertical downward airflow to the workload.

This Grieve tunnel oven features 4” thick insulated walls plus an aluminized steel interior and exterior.  The work zone comprises a 66” long open loading zone, 72” long insulated heat zone with recirculated airflow and 66” long open unloading zone, with a 36” wide roller conveyor with rollers on 3” centers.  Motor-operated vertical lift doors are supplied on each end of the oven.

Controls on No. 1008 are built to NEMA 12 electrical standards and include a digital indicating temperature 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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350ºF Gas-Fired Jumbo Walk-in Oven for Processing Composite Structures

No.996 is a gas-fired, 350ºF (177ºC) jumbo walk-in oven, currently used for batch processing large composite structures.  Workspace dimensions measure 10’ W x 32’ D x 8’ H.  1,200,000 BTU/HR are installed in a modulating natural gas burner to heat the unit, while 49,000 CFM total from two (2) 20HP recirculating blowers provide combination airflow to the workloads.

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This Grieve jumbo walk-in batch oven features 4” insulated walls throughout, removable top-mounted heat chamber (shown removed in photo), the oven body split into four 

(4) sections for shipment with mating angle iron frames for easy reassembly in the field, plus aluminized steel interior and exterior.

All safety equipment required by IRI, FM and National Fire Protection Association Standard 86 for gas-heated equipment are onboard No. 996, including an 8000 CFM powered forced exhauster for quick purge and cool down, motorized dampers on the intake and exhaust for accelerated cooling, as well as a 10” diameter circular chart recording and 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

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2000°F Gas-Heated Box Furnace for Heat Treating and High Temp Testing

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No. 871 is a 2000°F (~1093.3°C) gas-heated box furnace from Grieve, currently used for heat treating and high temperature testing. 650,000 BTU/HR are installed in three modulating natural gas burners with a floor mounted combustion air blower. Workspace dimensions are 30” wide x 48” deep x 30” high.

The unit has 7” insulated walls comprised of 5” of 2300°F ceramic fiber and 2” of 1700°F block insulation. The 6½” floor insulation is made of 4½” of 2300°F firebrick and 2” of 1900°F block insulation. The plate hearth is made of firebrick and is supported by firebrick piers.

For more information, please contact:Controls onboard No. 871 include a Partlow MRC 7000 recording and programming temperature controller and an electrically-operated vertical lift door.

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

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500ºF Walk-in Oven for Curing Composites

1016rtNo. 1016 is a 500ºF walk-in oven from Grieve, currently used for composite curing at the customer’s facility.  Workspace dimensions of this oven measure 72” W x 120” D x 78” H.

100 KW are installed in Incoloy-sheathed tubular elements to heat the oven chamber, while a 10,000 CFM, 10 HP recirculating blower provides horizontal airflow to the workload.

This Grieve walk-in oven features 4” thick insulated walls plus an aluminized steel interior and exterior.  A four-port vacuum manifold, with pressure gauge and hand valve on each port, is featured on the oven, with a solenoid valve to bleed air into the manifold and a resin trap leading to the vacuum pump.  A two-stage rotary vacuum pump rated at 10 CFM is provided.

All safety equipment for handling flammable solvents, including explosion-venting door hardware, is onboard this Grieve walk-in oven.

Controls on No. 1016 include a digital programming temperature controller 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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Four-Door Cabinet Oven for Stress Relieving Stainless Steel Parts

No. 1011 is a 500ºF four-door cabinet oven from Grieve, currently used for stress relieving stainless steel parts at the customer’s facility.  Workspace dimensions of this oven measure 20” W x 28” D x 36” H in each of four compartments in the oven.   30 KW are installed in Incoloy-sheathed tubular elements to heat the oven chamber, while a 6000 CFM, 5 HP recirculating blower provides independent horizontal airflow to the workload in each compartment.

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This Grieve cabinet oven features 4” thick insulated walls, aluminized steel exterior, Type 304, 2B stainless steel interior, shelf truck with shelf supports on 4” centers, stainless steel loading trays with integral holes to hold the customer’s parts in place, plus a transfer dolly with an oven-to-dolly latch to hold the trays for loading onto the supported shelves in the four oven chambers.

Controls onboard No. 1011 include a digital indicating temperature 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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Floor-level Cabinet Oven for Heating Asphalt

1025rtNo. 1025 is a 400ºF floor level cabinet oven from Grieve, currently used for heating asphalt road cores at the customer’s facility.  Workspace dimensions of this oven measure 46” W x 28” D x 60” H.   14 KW are installed in Incoloy-sheathed tubular elements to heat the oven chamber, while a 1500 CFM, 1-1/2 HP recirculating blower provides horizontal airflow to the workload.

This Grieve cabinet oven features 6” thick insulated walls, top-mounted heat chamber, plus an aluminized steel interior and exterior.

Controls onboard No. 1025 include a digital indicating temperature controller, 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 60073-2835
Phone: (847) 546-8225
Fax: (847) 546-9210
Web: www.grievecorp.com
Email: sales@grievecorp.com
Attention: Frank Calabrese

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High-Temp Belt Conveyor Oven for Drying Steel Nesh

No. 1021 is a 1250ºF high-temperature belt conveyor oven from Grieve, currently used for drying steel nesh (sieve) materials at the customer’s facility.  Workspace dimensions of this oven measure 21” W x 38” D x 3” H.   40 KW are installed in Incoloy-sheathed tubular elements to heat the oven chamber, while a 1600 CFM, 1-1/2 HP recirculating blower provides vertical downward airflow to the workload.

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This Grieve packaged conveyor oven features 10” thick insulated walls made from 8” of 1900ºF block and 2” of 10 lb/cf density rockwool insulation, aluminized steel exterior, Type 304, 2B finish stainless steel interior and an 18” wide, 1” x 1” stainless steel flat wire conveyor belt with 1/3 HP motor drive, variable from 0.05 to 1.20 feet per minute.  The oven travel comprises a 30” long open belt loading zone, 38” long insulated heat zone with recirculated airflow and 30” long open unloading zone.   10” x 10” stainless steel mesh screens above the return ductwork below the conveyor are provided to collect debris from the workload.

Controls onboard No. 1021 include a digital indicating temperature controller, SCR power controller and wall mounted remote control panel (shown detached in photo).

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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1000ºF High-Temperature Bench Oven for Heat Processings

1017rtNo. 1017 is a 1000ºF high-temperature bench oven from Grieve, currently used for various heat processings at the customer’s facility.  Workspace dimensions of this oven measure 22” W x 22” D x 13” H.   3 KW are installed in Incoloy-sheathed tubular elements to heat the oven chamber, while a recirculating blower provides airflow to the workload.

This Grieve bench oven features 5” insulated walls, stainless steel exterior with #4 brushed finish, Type 304, 3B finish stainless steel interior, integral oven stand and an 8” x 10” double-pane Pyrex/Vycor viewing window.

Controls onboard No. 1017 include a digital programming temperature controller and manual reset excess temperature controller with separate control contactors.

For more information, please contact:

THE GRIEVE CORPORATION
500 Hart Road
Round Lake, IL 60073-2835 USA
Phone: (847) 546-8225
Fax: (847) 546-9210
Web: www.grievecorp.com
Email: sales@grievecorp.com
Attention: Frank Calabrese

Continue reading