Paragon Double Barrel Heat Treating Furnace W11"xD24"xH4.255"
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Paragon Double Barrel Heat Treating Furnace
The Paragon Double Barrel is just the right size for heat treating and case hardening gun parts. Experiment with color base hardening. Restore the faded colors of historic guns. As with the other Paragon furnaces, the Double Barrel has a digital controller so you can program the exact temperature and hold time that you need.
The controller eliminates guesswork. Instead of estimating a temperature by the color of the heat, just enter a temperature into the controller. You will no longer have to adjust a switch to maintain the hold time for case hardening; the controller maintains the hold time for you. Set the hold time for as long as necessary (typically two hours).
The Sentry Temperature Controller
The Sentry 12-key controller comes with powerful, easy-to-use features. It can give you the cost of electricity to heat treat a load of parts, adjust the rate of heating, and correct programming errors by undoing steps that you need to correct. Before firing the furnce, use Program Review to check that the program you are about to fire is correct. Set an audible temperature alarm to remind yourself to attend to the furnace at a particular temperature.
For peace of mind, you can lock the program that is in active memory. You can also delay the time that the firing is to start. The kiln will turn on at that time. The Sentry comes with a 30-month warranty.
Solid Furnace Construction
The door swings open with one-handed operation. A counter-weight handle holds the door securely closed. The furnace is insulated with refractory firebrick. The elements are mounted in dropped, recessed grooves machined into the firebrick. Paragon invented this type of groove in 1952. This groove protects the element for long life and low maintenance. Elements are simple to replace because they’re exposed rather than embedded. You can thread new elements into place following clear instructions in the manual.
The temperature sensor (thermocouple) is sheathed for long life. The thermocouple wire is kept inside the control box for protection from the harsh environment of the typical gunsmith shop.
The firing chamber is protected by a rigid steel case painted in high temperature blue. A built-in stand lifts the firing chamber safely off your worktable, so no extra stand is needed. The door is mounted on a heavy-duty hinge shaft for smooth opening. Because of the rigid case and heavy hinge, the door is sturdy enough for years of faithful service. A chain holds the door open and out of the way so you can remove hot blades without bumping into a swinging door.
A micro safety switch shuts off the power to the elements when the door is opened, yet the temperature controller remains powered. The safety switch is standard on the Paragon Double Barrel.
We use high temperature wire in the switch box for long life. A heat shield, mounted between the switch box and furnace, helps keep the switch box components cool even during extended operation. To further dissipate heat, the switch box is extra large and generously louvered. Each furnace comes with a cord and plug for immediate installation, and a one year warranty.
Detailed Heat Treating Instructions
Your furnace includes a wiring diagram, programming instructions, and heat treating manual. The manual gives you basic heat treating instructions for D2, 440C, ATS 34 and 154 CM. The manual is written in plain English for the beginner.
Made in America
45% of Paragon’s factory work force has been here over 10 years; 20% have worked here over 20 years. All paragon furnaces are made in America. We are proud to support the American worker.
Optional Gas Injection Flow Meter
During heat treating, scale forms on the surface of the steel. One way to eliminate most scaling is to wrap the steel in stainless steel foil. Another way is to install the gas injection flow meter on your furnace. It is available as either an add-on kit, or you can order the furnace with the meter installed.
The meter regulates the flow of an inert gas, such as argon, inside the furnace. The gas displaces the oxygen to prevent most scaling.
Please remember that results with the flow meter vary depending on the type of inert gas you use and your level of experience. For more details, click on the link in the Options section below.
A Message from Ed Fowler, Master Blade Smith, (Member, American Bladesmith Society)
“Paragon offered me no financial rewards or free equipment for this endorsement. I recommend Paragon furnaces only because they make an excellent, reliable product.
“I've made knives off and on since the sixth grade. I enjoy every second in the shop making knives. I used to harden and temper with a torch. As my skills increased, my testing of knives revealed the benefit of longer and more uniform soak times during the annealing and tempering cycles than were possible with a torch.
“I finally bought a Paragon furnace. It is extremely beneficial to bladesmithing, because it allows us to do things with our blades we couldn't do otherwise. If I had known how good they are, I would have bought one years before I did.
“You don't want to introduce any variables into your blades by accident, and temperature is one such variable. With a Paragon, you know exactly what causes what and why. My advice to beginning knifemakers is to use the best equipment you can as soon as you can add it to your shop. I wasted a lot of time and energy trying to make knives with less than the best equipment for the job. Invest in quality equipment, learn how to use it right, and use your time seeking the best knife you can make.
“Without my Paragon oven, I would have never made the discoveries about steel that I’ve made. I love my Paragon. That Paragon sure made a big difference in my knife making. Any experiment I want to run is right there. If I want to change a heat treatment, I know exactly how. With every knife, I learn more.
“Thermal cycles, commonly known as heat treating of blades, are the most significant single aspect contributing to the quality of a knifemaker’s blade. Knifemakers who wish to explore the absolute frontiers of the world of knives in search of the Excalibur of their dreams must have the ability to design thermal treatments specifically intended to push their steel to the highest limits of performance. Absolute control of the temperature of their blades is absolutely essential to success.
“Paragon makes a nice piece of equipment. I recommend it very highly to anyone who asks and to many people who don't ask. In order to make knives that my customers can depend upon, I have to be able to count on my equipment to provide consistent performance. My Paragon heat treating oven has always provided the degree of dependability I can count on to support my commitment to provide my customers the best functional knife possible.
“Believe me, I'm much richer knowing I'm making the best knife I can. I'm much happier with myself.”
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