Tempco Custom Heater Manufacturing

Tempco-Pak Cable Heater Specifications & Tolerances

 

Performance Ratings

Watt Density: 75 watts per square inch of sheath surface area maximum with factory approval

Maximum temperature:

  • 1500°F (815°C) for 304 stainless steel sheath
  • 1800°F (982°C) for Inconel® 600 sheath

Electrical Ratings

Resistance: ±10% unless otherwise specified

Voltage: 120V and 240V standard

Thermocouples:

  • ANSI Type J to 1500°F (815°C)
  • Type K to 1800°F (982°C)
  • Note: All thermocouples and their junctions are internal to the heater sheath. A grounded junction at the heater tip is standard. An ungrounded junction anywhere along the heater’s length is optional. Available in sheath diameters .125" and larger.

Dimensional Limitations

Heater cable diameters:

  • 0.040"
  • 0.062"
  • 0.115"
  • 0.120"
  • 0.125"
  • 0.132"
  • 0.153"
  • 0.163"
  • 0.174"
  • 0.188"
  • 0.220"
  • 0.250"
  • Others available upon request.

Cable diameter tolerance: ±.005

Heater length tolerance:

  • 0 to 6" (+1/8", –0)
  • 6 to 18" (+1/4", –0)
  • 18 to 24" (+3/8", –0)
  • 24 to 120" (+3/4", –0)
  • 120 to 300" (±1")

Transition & Termination Construction

Transition (potting) adapters:

  • 5/16" O.D. × 1-1/2" long for heater cable 0.163" diameter and smaller.
  • 1/2" O.D. × 1-1/2" long for heater cable diameters above 0.163"

Transition Temperature Rating:

  • Standard transition is rated to 482°F (250°C).
  • Optional High Temperature Transition is rated to 842°F (450°C).
  • Standard heater lead wire insulation is TGGT (Teflon®, double fiberglass, Teflon® impregnation), which is rated to 482°F (250°C).
  • Optional high temperature insulation is MGT (mica, fiberglass, Teflon® impregnation) which is rated to 842°F (450°C).

Thermocouple:

  • Standard leads use a fiberglass insulation rated to 900°F (482°C).
  • Teflon® insulation is available upon request.

Optional lead protection: Stainless steel overbraid or galvanized armor cable.

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607 North Central Avenue
Wood Dale, IL 60191-1452 USA
Phone: 630.350.2252   Toll Free: 888.268.6396
Fax: 630.350.0232   Email: [email protected]

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Phone: 52.55.2451.4070
Fax: 52.55.5561.6889
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Website: www.tempcomexico.com


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