Durex Industries is a leading edge manufacturer of cast-in heater products for the plastics processing industry. Our products are utilized as the standard for thermal processing on plastics process equipment throughout the world. Engineering of our cast-in products for extrusion applications is based on our years of expertise in developement of these products for the largest equipment manufacturers.
Durex has thousands of standard tooling designs available for immediate use. Our in-house tooling capability can rapidly produce any design available on the market. Cast In heaters for all plastics processing applications including, air and liquid cooled barrel heaters, L-shaped heaters, vent cut out heaters, heat only cast in barrel heaters, air cooled with shroud, hollow cast nozzle heaters, and cooling jackets for cast in barrel heaters.
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Cast Processes - Durocast™ perm-mold system uses steel permanent molds. No bake sand system for special castings and short production runs.
Machine Finish - CNC machining is performed for tight tolerances and complex configurations. Milled finishes are provided per specification. Belt sanding, lapping and polishing available to meet application specifications.
Standard Machine Finish Range: 64 to 125 rms.
Fine Finish Per Specifications: 8 to 32 rms.
Standard Flatness: Belt sanded, .015, Milled ±.005, Lapped, .001
Holes, Cutouts, Thermowells - Mounting or clearance holes, cutouts and thermowells, for inserting temperature measurement probes, cast-in or machined per your specifications.
Inserts - Threaded studs, precision component parts, bushings and special design parts cast acccurately in place.
Electrical - Resistance tolerance NEMA standard +10% -%5
UL Component Recognition - DA Series cast in heaters are recognized per file E110394.
Installation and Maintenance Guidelines for Cast-in Heaters
Cast-In Heater Special Services
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