Glasrope ® & Foil Heaters

 

GLASROPE® HEATERS TUBULAR SHEATHED GLASROPE®HEATERS

Foil Heaters
Description

U.L. Recognized – No. E56973

Applications

Blueprint Machinery, Cabinets, Compressor Crankcase Heating, Copiers, and Defrost Heaters.

Features
  • The Backer Hotwatt Tubular Sheathed Glasrope Heater is a fiberglass insulated
    element encased in aluminum or stainless steel tubing.
  • The stainless steel heater is for higher temperatures or corrosive applications.
  • Extra long leads and special terminations are available.
    (6″ long leads are standard.)
  • A seal is used for wet or moist applications.
  • Made in U.S.A.
  • The heater may be formed to special configurations.
  • Special wattage distribution for specific heat location.


Construction
Tubular Sheathed Glasrope Construction
  1. Fiberglass insulation.
  2. Premium grade resistance wire element.
  3. Aluminum or stainless steel tubing.
  4. Fiberglass insulated leads.

1/4″ Diameter Standard with One Lead Each End

Length

Catalog Number Aluminum Sheath

Maximum Wattage

24″

AT25-24

120

30″

AT25-30

150

36″

AT25-36

180

42″

AT25-42

210

48″

AT25-48

240

54″

AT25-54

270

60″

AT25-60

300

3/8″ Diameter Standard with Both Leads Same End

Length

Catalog Number Aluminum Sheath

Maximum Wattage

24″

AT37-24

200

30″

AT37-30

250

36″

AT37-36

300

42″

AT37-42

350

48″

AT37-48

400

54″

AT37-54

450

60″

AT37-60

500

Specification

1/4″ Dia.

3/8″ Dia.

Minimum Inside Radius


For Forming

1/2″

1″

Minimum Helical Diameter


For Forming

1″

2″

Normal Cold Ends

1″

1″

Standard Lead Length

6″

6″

Maximum Temperature

550° F

550° F

Watts Per Linear Inch vs. Temperature In Air

Temp. ° F

Watts/Linear Inch

220°

1

340°

2

390°

3

490°

4

550°

5.5

Standard Terminations

SF1: Flexible leads for applications where leads can be bent close to the end of the unit. Leads are non-repairable.

SF1 Flexable Leads For Applications
Special Features

SF11A: Ring terminals. Specify size: #6, #8, #10.

SF11A Ring Terminals

SF11B: Straight quick connect terminals. Specify male or female and size: 3/16″ or 1/4″.

SF11B Straight Quick Connect Terminals

SF11C: Flag quick connect terminals. Specify male or female and size: 3/16″ or 1/4″.

SF11C Flag Quick Connect Terminals

SF11D: Spade terminals. Specify size: #6, #8, #10.

SF11D Spade Terminals

SF37: Stainless steel sheath.

How To Order

Specify: diameter, length, wattage, voltage, lead length, and special features (if required), and configurations (attach drawing).

 

Example: AT25-33/100W/120V/SF1-10/SF37