BUILT-IN : Same features as the independent strap. The top sheet is made into a strap by placing barrel nut fasteners on either side of the gap. Barrel nuts are used for holes and cutouts, as an alternative to independent straps
WEDGE LOCK : Basic design for limited space above the heater. Composed of clamp slides (wedge shape) on the lips of the heater on either side of the gap. Standard height between the inner diameter and the highest point of the wedge lock is 5/16”
FLANGE LOCK-UP : The most economical clamping mechanism. Designed for narrow heaters.
SPOT-WELDED : Design is similar to that of the built-in barrel nut. Made of an independent strap fastener that is spot welded to the top sheet on each side of the gap. This type of clamping mechanism is used to accommodate a heated section below the fastener.
INDEPENDENT STRAP : Straps are tightly clamped around the cylinder's surface and distribute the drawing force uniformly around the band heater. This force is transferred to the inside windings and improves heat transfer by providing effective surface contact and elimina
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The Hotwatt Standard Band Heaters are manufactured in one or two piece constructions with maximum inside diameters of 11 12" and 22 12" respectively. Three or more sections are employed when heaters of larger diameters are needed (as for blown film...
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