Mineral Insulated (MI) Band

The MI Band, with its stainless steel sheath and welded ends.

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  • Max Operating Temp1400°F
  • HolesYes
  • CutoutsYes
  • Custom Delivery20 - 25 Days
  • DurabilityExcellent

Features & Benefits

  • Longest heater life
  • Compact ceramic insulation
  • Rugged lead protection
  • High watt density capabilities

The construction, coupled with the high watt density capabilities, make the MI Band the obvious choice for the most severe band heater applications. Industries include:

  • Plastics Industry
  • Scientific, laboratory, and testing equipment

Flexible Leads, Near Gap

Near Gap, Axial, Opposite sides
Near Gap, Axial, Opposite sides
Near Gap, Along width, Same side
Near Gap, Along width, Same side

 

Available with leads exiting axially or along the width of the band. Axial leads can be positioned on each side of the gap. Axial leads feature full contact clamping for longer heater life. 10" (25.4 cm) leads standard, other lengths available.

Flexible Leads, Near Gap, With Cap

Near Gap, With Cap, 90
Near Gap, With Cap, 90°
Near Gap, With Cap, 45
Near Gap, With Cap
Near Gap, With Cap
Near Gap, With Cap, 45°

 

Low profile cap and tube with leads exiting axially, 90° to axis, or at a specified 15°, 30°, or 45° from axis. Axial leads exit in direction of junction/termination. If heaters are in tandem, they can be positioned next to one another. 90 degree cap ideal for installations where access is limited. 10" (25.4 cm) leads standard, other lengths available.

Two Piece Band

Specify for easy installation/removal where projections or tandem positioned heaters are in use.

When using two-piece heaters, each half is designed with half of the total wattage requirement. This has the capability of being used on either 120 Volte (V1 = V2 = V Total) when connected in parallel or 240 Volts (V1 + V2 = V total) when connected in series.

Ground Wire

A ground wire is available on most heaters where grounding is required.


Additional Lead Options

Flexible Leads, Opposite Gap

Opposite Gap, Axial
Opposite Gap, Axial
Opposite Gap, Axial, One Braid
Opposite Gap, Axial, One Braid
Opposite Gap, Along Width
Opposite Gap, Along Width

 

Available with leads exiting axially or along the width of the band. Axial leads can be bound together in one braided sheath. These heaters are generally specified when clearance around the heater is not adequate to allow the lead to exit from the heater pressure plate. 10" (25.4 cm)leads standard, other lengths available.

Flexible Leads, Opposite Gap, with Cap

Opposite Gap w/ Cap, Axial
Opposite Gap w/ Cap, Axial
Opposite Gap w/ Cap, 90° to Axis
Opposite Gap w/ Cap, 90° to Axis
Opposite Gap w/ Cap, Variable Angle From Axis
Opposite Gap w/ Cap, Variable Angle From Axis

 

The cap and tube option gives protection near the sheath. Leads can exit axially, 90° to the axis, or at a specified 15°, 30° or 45° from the axis. 10" (25.4 cm)lead standard. Other lengths available.

Screw Terminals Near Gap

On Each Side
On Each Side
Along the Width on One Side
Along the Length on One Side
Along the Length on One Side
Along the Width on One Side

Screw terminals can be positioned near the gap on each side, along the width, or along the length. This style of terminal helps simplify lead wire connections.

Screw Terminals Opposite Gap

Opposite the Gap Along the Width
Opposite the Gap Along the Length
Opposite the Gap Along the Length
Opposite the Gap Along the Width

Screw terminals can also be positioned opposite the gap either along the width or along the length.

Plain Leads

High temperature mica tape lead wire is suitable up to 842° F (450° C) max. with nickel stranded conductors. Outer jacket is glass Teflon® finish. The use of Monel® lugs is recommended. Better Band comes standard with mica tape lead wire.

Sleeving

Fiberglass silicone rubber coated sleeving class c -1, 392° F (200° C ) service. Provides extra insulation where wire is exposed to heat, molten plastics or abrasion. Rated 1500 volts at 428° F (220° C), except 5/16" (7.9 mm) size which has no voltage rating. This size used primarily to enclose multiple insulation wires in heat and abrasion resistant covering.

Stainless Steel Braid

Stainless steel over braid is most commonly specified in applications where leads may be subjected to abrasion due to movement of the application. Lead wires may be rubbing together or passing over sharp objects.

Stainless Steel Armor

Used over leads in areas where more protection is necessary. Selected for similar applications as the stainless steel braid, in addition to applications where non-fluid contamination may come in contact with the leads. This lead protection is not as flexible as the braid.

Stainless steel square lock construction.

Standard Terminal Box

Designed for protection safety, snap-off cover leaves terminals easily accessible.

For heaters 1 1/2" (38.1 mm) or wider with screw terminals at one end along length on top. Also with screw terminals at one end across width, on top 2 5/8" (67.0 mm) or wider.

Terminal cover protects terminals against accidental grounding or short circuit due to spillage.

European Plug Options

European Plug with Box
European Plug with Box

 

Plug is illustrated in the most common position. There are occasions for special boxes where the plug may be positioned on the top surface of the box.

Other Plug Options

Quick Disconnect Socket

Quick Disconnect Socket

2 pole-25 amp-250V 600° F (315.5° C) service. Ideal for power connection to heaters. Durable cast aluminum body on female side. Both sides have ceramic insert insulators. Ground connection via contact fingers.

Hubbell® Plug (or equivalent)

Hubbell® Plug (or equivalent)

Customer to specify type, part number and amperage required. There is a wide variety of Hubbell® plugs that can be fitted to our heaters. Please specify Hubbell's part number or call us for suggestions.

Special with Holes

Special with Holes

Heaters can be built to satisfy your special requirements. Certain applications require holes for thermocouples, to clear tubing, wiring, and other obstacles. These modifications require customer drawings to specify exact diameters and locations of the holes. Special order only.

Special with Cutout

Special with Cutout

When clearance is a problem with band heater installation, consider requesting slot cut-outs. This can greatly facilitate installation. Drawing is required with exact dimensions and locations. Special order only.

Reverse Band

Reverse Band

Design allows the heater to be expanded and thus heat from an internal surface. Available in a variety of clamping styles (please indicate when ordering; shown is the wedge lock low profile clamping). Constructed with a fully notched case.

Notched Band

Notched Band

Features a notch on the case to facilitate opening. Available in a wide variety of termination styles. Standard notch size is 1/8" (3.1 mm).

Fully Notched Band

Fully Notched Band

Used not only in circular applications but can be adapted for irregular surfaces. Available in a wide variety of termination styles.

Rectangular Band

Rectangular Band

Specify inside dimensions, width dimensions and clamping ears. Available in a variety of termination styles and two location choices for clamping ears.

Strap Standards

Straps can be vastly modified to fit a wide variety of bands. As wider bands are used, multiple straps will most likely be designed in. Normally barrel nuts are built into the ends: one threaded, one through hole. Slots shown are to clear termination areas. Unless otherwise specified, straps are assigned by our engineering staff to best suit each application.

Clamping

One-Piece Strap
One-Piece Strap
Two-Piece Strap
Two-Piece Strap
Full-Width Strap
Full-Width Strap
Strap Ends
Strap Ends

 

Illustrated are the various available styles of clamping for band heaters. When a band is provided the material is of a low coefficient of expansion type. Width of the clamping band or the number used per heater is dictated by the design standards. There are a variety of clamping mechanisms that can be attached to the band or directly to the heater. The most common forms are the strap and strap ends. Factors influencing the type and size of clamping are:

  • Type of band heater
  • Diameter and Width
  • Termination type and location
  • Holes and notches in heater
  • Preferences of the user
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