Heatrex
425 Hanley Industrail Court, St. Louis, MO 63144
Toll Free: (800) 394-6589 • Phone: (814) 724-1800 • Fax: (314) 644-5332
E-mail: sales@heatrex.com • Website: www.heatrex.com
All Categories > Tubular & Finned Tubular Heating Elements > Tubular and Finned Tubular Elements > Item # HX-521X  


Item # HX-521X, Unfinned Tubular Elements

Heatrex tubular and finned tubular elements provide a highly efficient, reliable and cost effective means of supplying heat directly to air, various types of liquids and metals.

Construction
  • Nickel-chromium resistance wire is uniformly stretched and imbedded into magnesium-oxide powder.
  • Resistance wire is accurately centered within a copper, steel or alloy sheath.
  • Terminal pins are attached to the resistance coil at each end to create an unheated zone near the terminals.





Specifications  · Notes

Specifications

Size
0.475 inches

Type
Two Pass

Max. Sheath Temp.
1000° F (Monel 400)
1400° F (304 SS)
1400° F (316 SS)
1600° F (Incoloy 800)
350° F (Copper-seamless)
750° F (Steel)

Sheath Material
304 SS (Stock)
316 SS (Stock)
Copper-seamless (Stock)
Incoloy 800 (Stock)
Monel 400 (Stock)
Steel (Stock)

Min. Sheath Diameter
0.469 inches

Max. Sheath Diameter
0.481 inches

Nominal Wall Thickness
0.035 inches

Min. Sheath Lengths
11 inches

Max. Sheath Lengths
96 inches

Sheath Lengths Tolerances
1% of overall sheath length with a minimum of 1/8" and a maximum of 1"

Max. Cold Ends
16 inches

Max. Current Drawn
30 A

Max. Voltage
277 V

Power Tolerance
+5% W
-10% W

Bending Information
Bending-Configurations

Terminal Information
Terminal-Configurations


Notes
  1. Stock – Material in stock. Custom – Material is either stocked in small quantity or must be ordered for each job.
  2. Other wall thicknesses available.



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