4 May

FAQs: Atmosphere Envelope Furnaces

FAQs: Atmosphere Envelope Furnaces   What exactly is an atmosphere envelope furnace? The furnace features a gas tight working chamber that can be operated at up to .022 atmospheric pressure. Glands seal the electrodes and thermocouples, and the door is sealed with silicone or viton material. The result is a sealed envelope that allows processing in […]

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28 Feb

Which bench top model is best for you?

Which bench top model is best for you? Our director of Sales, Design, and Engineering prepared this tutorial to help someone unfamiliar with the world of bench top laboratory furnaces decide on the best model for their applications. All three are easy to operate and maintain and have features which facilitate different kinds of thermal […]

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10 Sep

Controlled atmosphere furnaces … tubes and more

Controlled atmosphere furnaces…tubes and more   First, about those tube models… Horizontal and vertical tube furnaces are great if you need only a relatively small work space. If you are operating at high temperatures and need to use an alumina process tube, it’s best to limit the tube outer diameter to 4″ (100mm) and the […]

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16 Apr

Two Furnaces for the Price of One – Convertibles

Two Furnaces for the Price of One! – Convertibles Convertible furnaces are Deltech products that you may not know about. Suppose you are planning on sharing furnace time with colleagues, but you need a controlled atmosphere tube design and they want a bottom loader. You really can have it all with a CVT/BL or CHT/BL model […]

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9 Jan

What is a Top Hat Furnace?

Updated: Article originally published in September 2018 has been amended with new details In standard elevator furnaces – also known as bottom loader furnaces – a mechanism is used to elevate the load platform or kiln car into the furnace body. As the heating chamber itself doesn’t move, all the internal elements (heating coils, rods, […]

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3 Nov

Five Things you Should Know about Controlled Atmosphere Furnaces

  There are many suppliers of vertical and horizontal tube furnaces, but few suppliers of front load, bottom load, and top hat furnaces specially designed for processing in inert atmospheres. To do so, the furnace must be sealed: the element ports, thermocouple ports, and door access. Gas inlets will allow purging in any furnace, but […]

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26 Jan

Deltech Furnaces Offers Sophisticated HMI Solutions

Deltech Furnaces Offers Sophisticated HMI Solutions Did you know that HMI (human machine interface) functions coupled with your Deltech furnace control system can do much more than simple data acquisition and logging? These days even the traditional chart recorder has been incorporated into programmable temperature controllers. These controllers feature the now familiar PID programming, multiple […]

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13 Dec

Five Things You May Not Know About Choosing a Batch Glass Melt Furnace

Corrosion Resistance is essential. The most important characteristic of any batch glass melt furnace is that the lining be able to withstand the highly corrosive fumes frequently generated by glass chemistry at high temperatures. High alumina ceramic for temperatures up to 1700 deg C and cast zirconia for temperatures from 1800 to 2000 deg C […]

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11 Oct

Five things to know when buying an industrial furnace

Five things to know when buying an industrial furnace The maximum rated operating temperature of the industrial furnace may not be the sustained operating temperature. For example, an industrial furnace with a maximum use temperature of 1700 deg C might have a recommended continuous use temperature of 1600 deg C. This means that if you […]

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