Cast In Heater Specifications
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|Cast Materials||MaximumOperating Temperature|
|Aluminum 443||800°F (427°C)|
|Aluminum 319/356||700°F (371°C)|
|Bronze / Copper Alloys||1400°F (769°C)|
If required, other cast materials are available.
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
Three phase available on large heaters. Maximum watt densities depends on size and application. Consult a Durex Engineer.
UL Component Recognition - DA Series cast in heaters are recognized per file E110394.
- Electrical per UL 499 and UL 1030
- Canadian Standard C22.2 No.72
- Dimensional per specifications using Coordinate Measure Machine
- Quality standard per MIL-Q_9858A
Cast In Heater Specifications - 226KB (PDF)