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LEWCO Inc.
INDUSTRIAL OVENS

 

SWR05ED Quick Ship Walk-In Oven 

LEWCO Normal Duty Batch Ovens offer high quality at economical prices. The SWR series features a rear mounted heater box, which is ideal for installations with height restrictions. Heavy-duty construction and industry standard components yield durable and reliable equipment. Each unit comes complete with a one year warranty and is fully assembled, wired, and tested prior to shipment. All LEWCO ovens are manufactured to meet the requirements of NFPA 86, the national standard for industrial ovens and furnaces.

  • Cost-Effective
  • Dependable
  • Energy Efficient
  • Quality Built
  • Safe Operation
ISO 9001:2008 Registered Company

Operating Temperature 

200°F (93°C) to 500°F (260°C)

 

Heating Medium

Electric, low watt density Incoloy® heaters provide years of trouble free service.  Standard heater bank assemblies are installed in high velocity ductwork to maximize heat transfer.

 

Airflow PatternDual Airflow Diagram Product Page

Dual (Combination) Airflow: Hot air is supplied from both of the side walls and returned through a top plenum.

 

Input Voltage

480/3/60

 

Control System

LEWCO’s standard control package includes a single set-point process temperature controller and redundant high-limit controller. Circulation fan(s) include air proving circuits that are electrically interlocked with the heating circuit. All controls are housed in a NEMA 12 enclosure employing a full voltage lockable disconnect switch. Controls are wired to NFPA 70 and 79 electrical standards.

 


Sizes below only reflect those available in LEWCO's Quick Ship program. To view all sizes and options available for the SWR05ED model, click here.

 

Model (NFPA Class B)Overall DimensionsDoor Swing RadiusWorkspace DiminsionsWorkspace Volume (Cubic ft.)Heater Bank (kW)Circulating Fan (CFM)Motor (HP)Air Changes per MinuteExhaust Fan Capacity (CFM)Exhaust Motor (HP)Solvents per Batch (Gals.)Ships Fully Assembled
"W"D"H"W"D"H
SWR05ED-48-48-60
801117327"48486080361,000112.50N/AN/A0Yes
SWR05ED-48-48-72
801118527"48487296361,400114.58N/A N/A0Yes
SWR05ED-60-60-60
921227333"606060125361,400111.20N/AN/A0Yes
SWR05ED-60-60-72
921228533"606072150451,700111.33N/A N/A0Yes
SWR05ED-72-72-72
1041358539"727272216542,500211.57N/AN/A0Yes

 

Model (NFPA Class A)Overall DimensionsDoor Swing RadiusWorkspace DiminsionsWorkspace Volume (Cubic ft.)Heater Bank (kW)Circulating Fan (CFM)Motor (HP)Air Changes per MinuteExhaust Fan Capacity (CFM)Exhaust Motor (HP)Solvents per Batch (Gals.)Ships Fully Assembled
"W"D"H"W"D"H
SWR05ED-48-48-60
801118727"48486080451,000112.50621/20.05Yes
SWR05ED-48-48-72
801119927"48487296451,400114.58621/20.05Yes
SWR05ED-60-60-60
921228733"606060125451,400111.20621/20.05Yes
SWR05ED-60-60-72
921229933"606072150541,700111.33621/20.05Yes
SWR05ED-72-72-72
1041359939"727272216632,500211.57621/20.05Yes

 

Standard oven construction includes a 16 gauge aluminized steel interior with a 18 gauge cold rolled steel exterior. Heat loss is minimized by a unique wall design featuring a welded inner shell and a completely isolated outer frame and covers. 
SWR05ED Inside View

 

Doors 

Heavy-duty doors on an isolated door frame minimize heat loss. Wire core gaskets create a tight seal for efficient heating. Doors are bi-parting swing at one end and include explosion venting latches.

 

Flooring

Standard ovens include a 12 gauge steel plate floor.

 

LEWCO industrial ovens are designed and manufactured to industry standards. Our engineers regularly work to keep updated with the latest revisions in industry codes. If there is a specific industry standard or code compliance that you require for your process heating application, please contact one of our highly knowledgeable applications engineers to learn how LEWCO can help!

 

About NFPA 86

The National Fire Protection Association’s standard, NFPA 86, documents the guidelines for the safe operation of industrial ovens and furnaces. All LEWCO ovens are designed and manufactured to meet the requirements of this standard. Oven and furnaces in which flammable volatiles or combustible materials are present in the work space are classified by NFPA 86 as “Class A.” Similarly, ovens and furnaces in which no flammable volatiles or combustible materials are present are classified as “Class B.” Due to the risk of fire or explosion, NFPA 86 requires specific safety equipment for all Class A ovens and furnaces. Fuel gas-fired ovens and furnaces also require safety equipment.

  • Powered exhaust of capacity determined by maxium solvent loading.
  • Explosion relief of adequate area determined by oven or furnace workspace volume.

 

Industry Standards Industry Standards Logos For Web 2