Backer Marathon Call Us Today 1-830-775-1417
Band Heater With Type N2 Termination
Band Heater With Bayonet Adapter
Band Heater With Ceramic Terminal Covers
Band Heater With Hole And Cutout
Band Heater With Internal Thermocouple
Band Heater With Terminal Box
Band Heater With Type B1 Termination
Band Heater With Type B2 Termination
Band Heater With Type B3 Termination
Band Heater With Type B5 Termination
Band Heater With Type B6 Termination
Band Heater With Type BN Termination
Band Heater With Type C3 Termination
Band Heater With Type L1 Termination
Band Heater With Type L2 Termination
Band Heater With Type L3 Termination
Band Heater With Type L4 Termination
Band Heater With Type L5 Termination
Band Heater With Type L6 Termination
Band Heater With Welded On Barrel Nuts
2 Piece Band Heater
Band Heater With Euro Plug
Band Heater With Flange Lockup
Band Heater With Wedge Lockup
Expandable Band Heater
Band heater With Type N3 Termination
Band Heater With Type N1 Termination
Band Heater With Type B4 Termination
Band Heater With Type C4 Termination
Band Heater With Type N2 Termination
Band Heater With Bayonet Adapter
Band Heater With Ceramic Terminal Covers
Band Heater With Hole And Cutout
Band Heater With Internal Thermocouple
Band Heater With Terminal Box
Band Heater With Type B1 Termination
Band Heater With Type B2 Termination
Band Heater With Type B3 Termination
Band Heater With Type B5 Termination
Band Heater With Type B6 Termination
Band Heater With Type BN Termination
Band Heater With Type C3 Termination
Band Heater With Type L1 Termination
Band Heater With Type L2 Termination
Band Heater With Type L3 Termination
Band Heater With Type L4 Termination
Band Heater With Type L5 Termination
Band Heater With Type L6 Termination
Band Heater With Welded On Barrel Nuts
2 Piece Band Heater
Band Heater With Euro Plug
Band Heater With Flange Lockup
Band Heater With Wedge Lockup
Expandable Band Heater
Band heater With Type N3 Termination
Band Heater With Type N1 Termination
Band Heater With Type B4 Termination
Band Heater With Type C4 Termination

Mica Band Heaters

Backer Marathon band heaters are computer designed and manufactured to your specifications. Only the highest quality materials are used for optimal performance. Our stock band heater inventory is constantly growing. We stock a wide variety of heaters right on the shelf that are available for same day shipping. We also offer a three-day expedited service on custom designs and there is never a minimum order requirement. 

While Backer Marathon band heaters are commonly used in the plastic industry, they are also used in applications up to 1000°F. Termination options include leads, stainless steel braid, and post terminals. Clamping options are available for all mounting requirements. Special construction options include two piece construction, expandable construction, cutouts, and others.

Construction

Backer Marathon band heaters are computer designed and manufactured to your specifications. Only the highest quality materials are used for optimal performance.

  • High temperature oxidation resistant metal sheath.
  • Highest grade mica insulation provides excellent electrical insulation at high temperatures and is resistant to moisture.
  • Clamping band is low thermal expansion stainless steel construction designed to main clamping pressure at elevated temperatures.
  • Nickel/Chromium resistance wire evenly would for uniform heat distribution and reliable accuracy.
  • Standard 10" fiberglass lead wires are UL rated and provide protection up to 850°F.
  • Approximately 1/8" thick.

Options

Here are some of our popular band heater custom options. However, because we custom design and build band heaters, many other options are available. Contact sales@backermarathon.com for more information or use our wizard tool to custom build your own band heater.

Two Piece Mica Band Heater

Two Piece

  • Two piece construction is available for easy installation and removal.
  • Please specify total wattage when ordering.
  • Only available on heaters over 3” in diameter.
Mica Band Heater Terminal Box

Terminal Box

  • Terminal boxes are excellent for preventing electrical shock or electrical shorts.
  • Terminals boxes are available on any clamping or construction style.
  • 1.5" wide x 2.25" long x 1.87" deep.
Mica Band Heater Holes and Cutouts

Custom Holes and Cutouts

  • Band heaters can be manufactured with custom holes and cutouts for thermocouples or special mounting needs.
  • Please supply a drawing or sketch for exact hole locations.
  • Specify location in terms of degrees and size of hole.
  • Minimum of 1/2" is required from the hole to the edge of the heater.
expandable band heater

Expandable

  • Expandable Mica Heaters allow you to open the heaters to the diameters of the barrel for easy installation.
  • Heaters should only be opened all the way one time.
  • Only available on heaters 3" diameter and larger.
mica band heater with euro plug

Euro Plug

  • European type plugs are available upon request
Mica Band Internal Thermocouple

Internal Thermocouple

  • Internal Type J or Type K thermocouples are available for close temperature monitoring.
Mica Band Heater Ceramic Terminal Covers

Ceramic Terminal Covers

  • Ceramic terminal covers are available
Mica Band Heater Bayonet Adaptor

Bayonet Adapter

  • Bayonet adapter for thermocouples.
Three Phase
  • Three phase construction for high wattage heaters.
Dual Voltage
  • Dual voltage wiring allowing the heater to run on either voltage at the same wattage is available on any clamping or termination design.
Ground Lead
  • Ground lead or terminal is available on any design.

 

Termination Options

Backer Marathon band heaters can be terminated in a variety of ways including leads and post terminals. Please see the tables below for all the options.

Clamping Options

There are various options for mounting and clamping your band heater.

Mica Band Clamping Strap

Strap

  • Low thermal expansion alloy strap to tighten around whole circumference of heater, allowing maximum contact between heater and working surface. 
  • 5/8" strap on heaters greater than 1.50" wide.
  • 1/2" strap on heaters less than 1.50" wide.
  • Standard gap .300"
Mica Band Heater Welded-On Barrel Nuts

Welded On Barrel Nuts

  • Welded on barrel Nuts are optional on any screw or lead termination.
  • Excellent clamping option for heaters with holes or cutouts.
  • No strap to loosen or adjust.
  • Standard Barrel nuts are 3/8” diameter and use a 10-24 socket head cap screw.
  • 5/8” clearance required.
Mica Band Heater Wedge Lock

Wedge

  • Wedge mount is ideal for low profile clearance and when access is limited.
  • 1/8” clearance required.
  • Min I.D. 1”
  • Min width 1”
  • Standard wedge exit is out each side of gap.
Mica Band Heater with Flange Lock

Flange

  • Flange lock up is best for heaters with multiple holes or cut outs.
  • 1/2” clearance required
  • Min. I.D. 1”
  • Min. width 1”
Mica Band Heater Spring Loaded

Spring Loaded Clamping

  • Tig welded barrel nuts.
  • Spring loaded clamping.
  • Retains tight heater fit during start-up.
  • 4" long bolt (10-24 thread) with 2.25" long spring.

Watt Density

Formulas

Watt Density Formula for Band Heaters with Leads = Wattage / (Heater I.D. x 3.14) - .75 x Width

Watt Density Formula for Band Heaters with Posts = Wattage / (Heater I.D. x 3.14) - 1.75 x Width

Maximum Allowable Watt Density

Cylinder Temp °F 200 300 400 500 500 700 800
1.5-3 I.D. 52 51 50 46 41 37 29
3-10 I.D. 47 46 45 42 38 33 25
10 and >I.D. 41 40 39 36 31 27 20

 

Stock Parts

1 - 20 of 68 Filter Results

Part No. Diameter Watts Volts Width Available Qty Price
BA035-010A 3.500 inches 300 watts 120 volts 1.000 inches 5 Sign In for Pricing
BA035-010B 3.500 inches 300 watts 240 volts 1.000 inches 1 Sign In for Pricing
BA035-015C 3.500 inches 500 watts 240 volts 1.500 inches 2 Sign In for Pricing
BA035-020B 3.500 inches 500 watts 120 volts 2.000 inches 5 Sign In for Pricing
BA035-020C 3.500 inches 500 watts 240 volts 2.000 inches 4 Sign In for Pricing
BA035-025A 3.500 inches 750 watts 240 volts 2.500 inches 6 Sign In for Pricing
BA037-010A 3.750 inches 350 watts 240 volts 1.000 inches 7 Sign In for Pricing
BA037-015A 3.750 inches 700 watts 240 volts 1.500 inches 4 Sign In for Pricing
BA037-025A 3.750 inches 850 watts 240 volts 2.500 inches 7 Sign In for Pricing
BA040-010B 4.000 inches 625 watts 240 volts 1.000 inches 5 Sign In for Pricing
BA040-015H 4.000 inches 550 watts 240 volts 1.500 inches 4 Sign In for Pricing
BA040-015J 4.000 inches 750 watts 240 volts 1.500 inches 20 Sign In for Pricing
BA040-020D 4.000 inches 600 watts 240 volts 2.000 inches 4 Sign In for Pricing
BA040-020E 4.000 inches 800 watts 240 volts 2.000 inches 2 Sign In for Pricing
BA040-025B 4.000 inches 1000 watts 240 volts 2.500 inches 6 Sign In for Pricing
BA040-040A 4.000 inches 1250 watts 240 volts 4.000 inches 7 Sign In for Pricing
BA045-010A 4.500 inches 350 watts 240 volts 1.000 inches 5 Sign In for Pricing
BA045-015G 4.500 inches 650 watts 240 volts 1.500 inches 6 Sign In for Pricing
BA045-020C 4.500 inches 500 watts 240 volts 2.000 inches 8 Sign In for Pricing
BA045-025A 4.500 inches 1000 watts 240 volts 2.500 inches 8 Sign In for Pricing
1 - 20 of 68 Filter Results