EWT03ED

EWT03ED

EWT03ED

Product catalog summary
Overview: This document provides detailed specifications and options for LEWCO's Industrial Batch Ovens, specifically the Enhanced Duty Walk-In Oven model EWT03ED. These ovens are designed for industrial applications requiring precise temperature control and uniformity.
Temperature and Heating: The ovens are rated for temperatures up to 350°F, utilizing electric, low watt density Incoloy® heaters for reliable performance. The heater bank assemblies are strategically placed in high-velocity ductwork to optimize heat transfer.
Airflow Pattern: The ovens feature a dual airflow system, supplying hot air from both side walls and returning it through a top plenum, ensuring even temperature distribution.
Construction: The interior is made of 16 ga. aluminized steel, while the exterior is 18 ga. cold rolled steel. The design minimizes heat loss with a welded inner shell and isolated outer frame. Heavy-duty doors with wire core gaskets ensure a tight seal, and explosion venting latches are included.
Floor Options: Standard floors are 12 ga. plate, with optional configurations including inverted angle tracks, wheel guides, and insulation.
Input Voltage: Standard input voltage is 480/3/60, with other options available upon consultation.
Controls: Standard controls include a single-point process temperature controller and redundant high-limit controllers in a NEMA 12 enclosure. Optional controls include door switches, batch timers, ramp/soak controllers, data loggers, and more.
Finish: The standard finish is blue or gray alkyd oil base paint, with premium finishes available for corrosive environments.
Enhanced Duty Features: Enhanced Duty models offer additional heat capacity and larger circulation fans, guaranteeing temperature uniformity of +/- 10°F. The top-mounted heater box reduces the footprint and allows for pass-through processing. All units are fully assembled, wired, and tested before shipment, meeting NFPA 86 standards.
Model Specifications: The document includes detailed specifications for various models, including workspace dimensions, heater bank capacity, circulating fan capacity, and overall dimensions. Models are designed to accommodate different workspace volumes and configurations, with options for exhaust fans and solvent handling.
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Catalog excerpts

EWT03ED-1

Industrial Batch Ovens An ISO 9001:2008 Registered Company Enhanced Duty Walk-In Oven LEWCO’s Enhanced Duty Batch Ovens offer all of the same construction features as the standard duty ovens; however the performance is “enhanced” by adding additional heat capacity and larger circulation fans. Additionally, all enhanced duty walk-in ovens guarantee a temperature uniformity of +/- 10°F. The EWT series features a top mounted heater box, which creates a smaller foot print and permits pass-through processing. Each unit comes complete with a one year limited 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 ovens and furnaces. 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 Pattern • Dual Airflow: Hot air is supplied from both of the side walls and returned through a top plenum. General Construction • 16 ga. aluminized steel interior • 18 ga. 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. Doors • Heavy-duty doors on an isolated door frame minimize heat loss. Wire core gaskets create a tight seal for efficient heating. • Explosion venting latches • Standard: Bi-parting swing doors at one end • Optional: o Bi-parting swing doors at both ends o Vertical guillotine door at one or both ends o Door Windows Floor • Standard: 12 ga. plate floor • Optional: o 12 ga. plate floor with (1) pair inverted angle track o 12 ga. plate floor with (1) pair 6” wide wheel guides o Insulated (100 p.s.f. max.) o Insulated with (1) pair inverted angle track o Insulated with (1) pair 6” wide wheel guides o No floor Input Voltage • Standard: 480/3/60 • Please consult factory for other available options. Controls • Standard: Single-point process temperature controller and redundant high-limit controllers housed in a NEMA 12 enclosure with full voltage lockable disconnect. • Optional: o Door switch o Batch timer o Ramp/ soak controller o Data logger/ chart recorder o Zero speed switch for fans o Composite curing controls Finish • Standard: Blue or gray alkyd oil base paint • Optional: Premium finish for corrosive areas

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EWT03ED-2

Workspace Volume (cubic ft.) Solvents per Batch (Gals.) Ships Fully Assembled * Indicates Configuration Style #1. Refer to drawings on page 4 of 5 NOTE: Sizes are approximate. LEWCO, Inc. reserves the right to change specifications without notice.

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EWT03ED-3

Industrial Batch Ovens Model (NFPA Class A) Door Swing Radius Workspace Volume (cubic ft.) Solvents per Batch (Gals.) Ships Fully Assembled * Indicates Configuration Style #1. Refer to drawings on page 4 of 5 NOTE: Sizes are approximate. LEWCO, Inc. reserves the right to change specifications without notice.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.