791I GrieveNo. 791 is a gas-heated, two-zone belt conveyor oven from Grieve, currently used to stress relieve heavy-duty steel springs.  This unit has a maximum operating temperature of 850°F and workspace dimensions of 48″ W x 360″ L x 15″ H.

The conveyor includes a 4′ long open belt loading zone, 2′ long insulated unheated entrance vestibule, two 15′ long insulated heating zones with independent recirculated airflow and temperature controls, 2′ long insulated unheated exit vestibule and 3 1/2′ long open unloading zone.

Heat is provided by 1,600,000 BTU/HR installed in two modulating natural gas burners.  Two 10,000 CFM, 7 1/2 HP recirculating blowers provide vertical downward airflow over the workload.

All safety devices required by IRI, FM and NFPA Standard 86 for gas-heated equipment are included on this Grieve oven, which also features a two-pen, 10″ diameter circular chart recorder.

Other construction features on No. 791 comprise a 42″ wide, 1″ x 1/2″ flatwire conveyor belt with 1/3 HP motor drive, variable speed from 5.8 to 16.1 inches per minute, 7″ insulated walls throughout, a Type 304, 2B finish stainless steel interior and an exhaust hood over each end of the oven, equipped with a 12″ dia. tubeaxial fan driven by a 1/2 HP motor.

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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