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GAT - General Automatic Tranfer Company Innovation in finishing equipment

Dry-Off Ovens Print E-mail
General Automatic Transfer Co.’s Dry Off Oven utilizes direct air impingement along with heated air to dry the part. By employing louvers mounted on top of the air distribution duct, heated air movement at the part is maximized and moisture is removed quickly, thereby minimizing the potential for flash rusting. Because of the directed air streams, drying temperatures can typically be reduced and resultant operating energy costs decreased significantly.
Eighteen gauge galvanealed steel with a twelve gauge internal frame makes up the floor mounted ductwork. Top mounted, adjustable louvers allow for direct air impingement on the part. 
The Dry Off Oven atmosphere is an independently temperature controlled environment, making GAT’s Dry off oven is suitable for any drying operation including powder coat and wet paint lines. High air turnover along with floor mounted ductwork ensures even temperature throughout the dry off oven.
The gas fired modulating burner, with automatically ignited pilots are controlled via a UL, FM, and NFPA compliant gas train.   The heating system uses a forward curved, dual inlet centrifugal blower, complete with sheaves, belts and motor.
Dry Off Oven Panels are constructed from #18 ga galvannealed material, reinforced internally, with insulating characteristics as required for the appropriate temperatures.
The dry off oven shell is 6” thk steel encased 4# density batt mineral wool insulated panels provided in 4’ widths, as opposed to typical 27” widths. 4’wide panels present 45% fewer seams, thereby increasing efficiency.   Dry Off oven panels are sheathed inside and out with #18 ga galvannealed steel, as opposed to lighter gauges, reinforced with stiffening ribs spaced on 12” centers, providing a structural component. Abutting edges of dry off oven panels are arranged to fit in tongue-and-groove fashion providing a tight seal but allowing for thermal expansion. Seams are fully insulated with the same insulation as the panel itself. All dry off oven panels utilize an isolated spreader clip and stiffener channel construction in lieu of a standard roll formed design in order to greatly reduce the amount of through steel to increase efficiency as well as to provide added strength. Construction of the dry off oven panel is entirely spot welded, presenting smooth surface inside and out.
Dry Off Oven conveyor openings are either through the bottom of the dry off oven requiring no seals, or in the sides in which case G.A.T. high velocity air seals are provided to minimize the heated air in the oven escaping to the surrounding atmosphere, and to insure the optimum efficient operation of the oven.   Where air seals are used, they are furnished with a complete surrounding air duct providing air pressure against the dry off oven work opening. The seals provide a velocity dam at the work openings to minimize thermal leakage and to maintain uniformity of temperature to the dry off oven.
Where utilized, air seals are furnished in a suitable number of completely assembled duct sections, ready for mounting to the dry off oven in the field. Each air seal is equipped with a 7/8 DFC SWSI fan assembly, complete with motor. The air seals utilize room air and do not induce an additional fresh air load on the surrounding area.


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