Mightyband Coil Heater Specifications and Tolerances

Performance Ratings

Standard Sheath Material: 304 stainless steel

Optional Sheath Material (Round Cable): Inconel® 600

Electrical Ratings

Resistance Tolerance:  ±10%

Wattage Tolerance: ±10%

Maximum Amperage (Round Cable): 20 Amps

Standard Voltage: 120 or 240 Volts

Maximum Wattage (Square/Rectangular Cable):

• 720 watts (for 240 volt heaters)
• 300 watts (for 120 volt heaters)

Maximum Watt density (Square/Rectangular Cable):  134 watts/in2 applied to nozzle

Dimensional Specifications

Standard square cable:  .0.125″, 0.134″ square

Standard rectangular cable:  .0.110″ × 0.160″

Standard round cable diameters:  .0.115″, 0.120″, 0.125″ 0.132″, 0.153″, 0.163″

Cable diameter tolerance:  ±0.005

Length of non-heated section (Square/Rectangular Cable):  1″ to 6″ (specify when ordering)

Standard potting adapter: 

• 5/16″ Diameter –Used with heater only and heater with T/C leads, 20 gauge and under.
• 1/2″ Diameter (Round Cable only) –Used with heater only and heater with T/C leads, 18 gauge to 10 gauge.

Standard potting adapter length:  1-1/2″

Standard coil I.D. (Round Cable):    From 3/8″ up to 2-1/2″ in any increments.

Coil I.D. Tolerance (Round Cable):

• 3/8″ to 3/4″, +0.000″, – 0.020″
• 7/8″ to 1-1/4″, +0.000″, – 0.030″
• 1-1/2″ to 2-1/2″, +0.000″, – 0.060″

Coil Width (length) (Round Cable):

• Up to 12″ on 3/8″ to 3/4″ I.D.
• Up to 16″ on 7/8″ to 1-1/4″ I.D.
• Up to 18″ on 1-1/2″ to 2-1/2″

Coil Width Tolerance (Round Cable):

• 0 to 6″:  +0, –1/8″
• 6 to 12″:  +1/8″, –1/4″
• 12 to 18″:  ±1/4″

Thermocouple Specifications

Standard Thermocouple:  ANSI Type J

Optional Thermocouple:  ANSI Type K

Minimum Bending Radius:  Two times the sheath diameter