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Steel-cased electrical elements are cost-effective and flexible
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Often the easiest and most flexible solution to heating a stream of air
is to pass it across an electrically heated element. In many cases, that's the most cost-effective solution.
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SPC's electric heater batteries are designed with safety in mind. They feature a high-temperature
thermal cut-out which you can reset manually or automatically. Single phase versions are available
up to 9kW maximum. Higher duties require 415V 3-phase supply.
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Immediate and controllable heat sources
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The simplicity of using an electric element to heat a stream of air is that it can be
brought into use at the flick of a switch. The heat supply is also controllable.
Installing several units increases the heat input, but they needn't all be switched on together.
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Electric heater batteries can be mounted in air handling units, but they are usually ducted.
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Types of electric heater
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Rectangular in 18G mild steel casing, stove-enamelled in grey, with 38mm flanges and high-temperature thermal cut-out.
Optional removable terminal plate.
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Circular in galvanised steel with high-temperature thermal cut-out.
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Types of electric element
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Incoloy 800 sheathed elements: Sheathed stainless steel elements last longer
and are inherently safer. Many elements can be banked together, although the
higher thermal inertia of Incoloy makes it slower to heat up and cool down.
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Spiral wound elements: Spirals of chromium wire wound to an exact load and
supported by ceramic formers deliver a highly controllable output. Spiral
wound elements provide rapid heating and cooling cycles.
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Selecting your electric heating coil
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All SPC electric heater batteries are custom-made. Call us for advice. It's never too early to discuss HVAC design issues.
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