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Keen KF-1000 Subarc Flux Holding Oven

Storage Capacity : 1000 lbs

Temperature Range : Ambient-550F

Purpose: To shield subarc welding flux from atmospheric moisture pick-up

Availability: In stock

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$10,150.00

Brief Product Description:

Once removed from factory packaging, granulated subarc flux immediately starts absorbing moisture from the air. This moisture can deposit hydrogen into the weld, potentially causing embrittlement and porosity. Store up to 1000 lbs of granulated subarc flux in the American-made, Keen KF-1000 flux oven. Designed for the requirements of a large subarc operation, Keen produced this high-performance, high-capacity flux oven with the sole aim of satisfying the most demanding engineers and welding professionals working in rigorous environments. Highly-engineered and packed with features such as: heavy-duty hopper design with welded construction, well-built supporting stand with welded construction, support bars at top of hopper to rest flux bags for easy loading, heavy-duty lid supports and much more. Keen’s innovative, energy-efficient design provides rapid heating of flux while reducing overall wattage and minimizing amp draw. Loaded with electrical and design safety features: digitally-adjustable, ON/OFF microprocessor-based controller with ±1 degree accuracy, manual reset high-limit fail-safe control and more.

Product Overview

About the KF-1000 Flux Holding Oven – 1000 lbs. Capacity

The Keen KF-1000 is a floor-positioned, large capacity subarc flux holding oven. Subarc flux is top-loaded by way of a hinge-supported lid that is easily lifted manually, and discharged through a slide valve located on the bottom of the unit. Handy, fixed steel bars that stretch across the hopper opening allow the easy emptying of new flux from unopened factory packaging. The flux bags can be placed across these bars, cut open and emptied into the oven hopper. When flux needs to be removed, a container is placed by the user beneath the hopper to catch the granulated flux as it is dispensed. The hopper unit is securely mounted onto a stationary, heavy-duty stand.

The welding flux temperature inside the oven is regulated and controlled by a field-adjustable, digital controller with bright, LED temperature indicating display (user can switch from Celsius and Fahrenheit). This microprocessor is housed in a control box on the side of the flux oven hopper, along with a separate on/off indicating red light. This light enables users to quickly view from a distance if the oven is receiving power or has been shut off.

Heavy-Duty Construction

The Keen KF-1000 subarc flux holding oven is ruggedly designed to withstand years of use in the most demanding industrial environments. Heavy-gauge steel is used throughout the unit and 2 inch thick, semi-rigid, high-density mineral wool in the oven walls and lid keeps the KF-1000 flux oven well-insulated and energy efficient. The exterior features a durable powder-coated paint that is highly resistant to industrial environments and will stand up to years of use. The KF-1000’s hopper has welded seams inside and out, and is securely mounted to our custom-built stand with heavy-duty screws.

Performance Heating

Thorough, energy-efficient and quick heating of welding flux is the hallmark of all Keen flux ovens. The KF-1000 in particular has 39 / 1000W elements evenly dispersed throughout the flux oven hopper cavity. The elements are arranged inside the oven cavity from top to bottom with the last 3 elements at the very top of the oven; if a welding inspector opens the lid to test the temperature, he will get an accurate reading. When loaded with flux, no more than 2" of flux is without direct heating.

Our large-capacity flux ovens are designed to reduce watt density to the heating elements through a unique wiring series, greatly reducing overall power consumption (The KF-1000 is only 2666 watts) while increasing heat-up times for cold loaded flux. This eliminates the problem of flux fusing to the heating elements which is a common problem seen in competing brands (Fusing of flux often creates a "gumming" effect causing the granulated material surrounding the elements to meld together).

Quality Temperature Control and Electrical Safety

As standard equipment, Keen KF-1000 flux ovens feature a UL® approved microprocessor with digital up/down temperature control and LED temperature-indicating display. The temperature reading can be displayed in either Fahrenheit or Celsius, and has a ±0.2 degree accuracy. Handy tactile increment/decrement keys on the controller’s water-resistant front panel enable easy temperature set point adjustment. The controller also features an on/off control mode.

Quality Insulation

Efficient heating design must be supported by quality insulation. The Keen KF-1000 features a semi-rigid, mineral wool "board" insulation that is bonded together with a high temperature binder. It is highly thermally-efficient and is installed within the walls and lid of the unit.

Optional Accessories

As an optional accessory, Keen offers slag screens that can be installed at the top of the oven chamber. Our slag screens are designed to be a sieve for filtering out contaminants in reused flux as it is being poured back into the flux oven hopper. The hole size on our flux oven slag screens is standard, but we can adjust the screen hole size if you have a different requirement. The slag screens are a fixed size according to the flux oven with which they are used.

Customization

We have the unmatched ability to customize any of our standard ovens, and/or design one-of-a-kind ovens for unique storage requirements. Welding codes are constantly changing, and Keen is ready to meet the demands of today’s welders. Please visit our website http://www.keenovens.com for more information about our products and detailed technical information about welding consumable storage.

Technical Details

Part Number 011531 – (120V), 011532 – (240V), 011517 – (480V 3 Phase)
Flux Capacity (LBS) 1000 lbs(453.59 kgs) Subarc Flux
Wattage 4333 W
Temperature Range (°F) 150-550°F, 66-288°C
Thermostat Digital Microprocessor
Safety Feature Manual Reset Over Temperature Control
Insulation 2" Thermal Wool
Interior Dimensions (IN) 26"(66cm) L x 26"(66cm) W x 42"(106.7cm) D Sloped Bottom
Exterior Dimensions (IN) 33"(83.82cm) L x 38"(96.52cm) W x 69"(175.26cm) H
External Thermometer Digital Temperature Display
Net Weight (LBS) 448 lbs(203.21 kgs)
Shipping Dimensions (IN) 48"(121.92cm) L x 76"(193.04cm) W x 42"(106.68cm) H
Shipping Weight (LBS) 606 lbs(274.89 kgs)
Power Cord Length 8 ft.
“ON” Indicating Light Yes
UL Approval No
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