Evenheat Salt Bath 709 Heat Treat Kiln
Brand

Evenheat

Model

Salt Bath Series

Depth

9"

Width

7"

Height

7"

Volt

120V

Amperage

18A

Watts

2160W

Frequency

50Hz, 60Hz

Phase

Single

Power Cord

NEMA 5-20

Max Temp

2000°F (1093°C)

Evenheat Salt Bath 709 Heat Treat Kiln

SKU: EVENHEAT-SALTBATH-709 Category:

$1,948.00

Evenheat Salt Bath 709 Heat Treat Kiln
Brand

Evenheat

Model

Salt Bath Series

Depth

9"

Width

7"

Height

7"

Volt

120V

Amperage

18A

Watts

2160W

Frequency

50Hz, 60Hz

Phase

Single

Power Cord

NEMA 5-20

Max Temp

2000°F (1093°C)

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The Salt Bath 709 with its relatively shallow depth of 9″ was designed for the folder knife maker, but is equally at home for any short steels. The Salt Bath 709 features a chamber depth of 9″ and is designed to accommodate salt pots with a height of 13″ and diameters up to 5.5″ OD. Special TAP control software utilizes two thermocouples to control proper heat-up and heat treat operations, as well as an over-temp thermocouple circuit for safety. A solid state relay was chosen for driving the heating elements to give tight control, longer heating element life and a low failure probability. The salt bath heat treat process involves immersing your blade into a bath of molten salts. Once immersed, the blade quickly reaches the proper hardening or quenching temperature. The blade is then allowed to soak in this bath for the amount of time you desire. Once the soak is completed the blade is pulled for further quenching and processing. The salt bath process provides an oxygen-free environment so there’s no need to wrap blades and temperature distribution around the blade is phenomenal. Additional features include drip shields on both the lid and control panel to stop any “drag-out” from reaching critical components, a pivoting control enclosure that allows for relaxed programming and safe storage as well as electrically grounded salt pot and thermocouples for electrical safety.

TAP Controller

Evenheat salt bath kilns are built exclusively with the TAP control. The TAP utilizes a touchscreen that’s very easy to navigate and understand with all operations displayed in word form. The TAP control features a thermocouple switching function for reliable and safe salt bath use. When the heat treat process is started, the TAP uses the temperature of the firing chamber to control from. The chamber temperature is a steady and reliable point from which to control as the salts in the salt pot are solid at the beginning of the process. Once the salts in the salt bath become molten (liquid) the TAP is switched over (by the user) to the immersion thermocouple for precise salt bath temperature control. It’s a very useful and reliable feature that only the TAP control can offer. The TAP control features an Over-temp (high-limit) thermocouple circuit that aborts the heat treat process if the temperature exceeds the process temperature. This over-temp circuit adds a level of safety not found in other controls. Setting up the TAP for use is a very simple process that requires a single press of the Start key to get things rolling.While running, the TAP displays current temperature and thermocouple selection (chamber or immersion) in a large, easy to read format. It’s easily seen from across your shop or work area.

Evenheat salt bath kilns are standard equipped with solid state relays for high reliability. The TAP control has been specifically designed to operate these solid state relays.

Salt Pot Suggestions
Will accept salt pots up to 5.5″ OD. Thinner, schedule 40 316 Stainless Steel is preferred.
Salt pot depth should be close to 13″.
Salt pot must be grounded. See manual for details.

WARNING: While the salt bath process offers advantages it does come with some hazards, notably the possibility of the molten salts erupting from the salt pot (vessel that contains the molten salt). This creates a burn and fire hazard as well as risk of personal injury or death. Before committing to salt bath heat treating be aware of these potential hazards. For detailed information on this and other risks and hazards of salt bath use please click on the Manuals link on this page.

​Chamber Size
7″ Wide x 7″ Long x 9″ Deep – 0.26 Cubic Feet
(17.8cm Wide x 17.8cm Long x 22.9cm Deep – 7.4L)

Outer Dimensions
18″ Wide x 13″ Long x 23″ Deep (includes the 8″ stand)
(45.7cm Wide x 33.0cm Long x 58.4cm Deep)

Ship Weight
60lb. (27.3Kg) – Approx.

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