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Heaters
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Heaters
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Technical Data
   
   

Ceramic Band Heaters offer longer heater life, high processing temperature capabilities and full flexibility for ease of installation. The built in thermal insulation limits heat losses and conserves electrical energy. A wound nickelchrome resistance wire is strung through high temperature ceramic bricks that sit on an insulation blanket of ceramic fiber insulation. The insulation blanket will reduce heat losses by approximately 20% from un-insulated band heaters. Ceramic Band Heaters offer temperatures to 1400ºF. This is all mounted into a stainless steel casing with serrated edges. This provides strength and great flexibility such that the heater can be fully opened for ease of installation. Ceramic Band Heaters transmit heat both through conduction and radiation. Due to this effect, the fit is not as critical as with other types of band heaters. These are available with a number of lead wire options, threaded terminals, terminal boxes and European plugs for electrical wiring. They can be made in a large variety of sizes, multiple segment and clamping styles.


HEATER CONSTRUCTIONS

     
 
One Piece Construction

Flexible Construction can be opened to full diameter.

Minimum Diameter - 2”
Maximum Diameter - 22”
Minimum Width - 1”
Thickness with 1/4” Standard Insulation- 5/8”
 
     
     
 
Two Piece or Multiple
Segment

Recommended for diameters over 22” and for vertical
applications.

Minimum Diameter - 4”
Maximum Diameter - 72”
Minimum Width - 1”
Thickness with 1/4” Standard Insulation - 5/8”
 
     


CLAMPING STYLES

     
 
Clamping Styles
Built-in barrel nut
Flange lock-up
Latch and trunion
Spring-loaded barrel
Shell Overlap
 
     


ELECTRICAL TERMINATIONS

     
 
Wire Leads
High Temperature Mica Insulated Fiberglass (900°F)

Stainless Braid Over Fiberglass Leads

Armour Cable Over Fiberglass
 
     
     
 
Threaded Terminals
10-32 Threaded Stud Terminals
 
     
     
 
Terminal Boxes
Stainless Steel Terminal Box Over Threaded Stud Terminals

European Style Box Straight or 90° Construction
 
     


CLAMPING CONSTRUCTIONS

 
   
1 Piece Construction - Ceramic heaters can be opened fully. (Shown with ceramic terminal covers)   Built-in Strap - Barrel nuts provide secure and strong clamping. Also availble in spring loaded designs for larger diameters

 
   
2 Piece Construction - Ease of installation in difficult locations. Recommended for diameters larger than 15".   Bent up flange - Available in any termination style and is only recommended for narrower designs.

 
   
Holes and Cutouts - Allows for installation of thermocouples and transducers and give clearance for mounting bolts.   Latch and Trunion - Spring loaded clamping is recommended for larger diameter band and in applications where the heater is mounted horizontally.


WIRE LEAD TERMINATIONS

 
   
Partial Coverage Band - Used around large obstruction which holes or cut outs cannot accommodate. 2 piece construction with barrel nuts shown. Others available   Armor cable with fiberglass leads - Specify location and length of leads at time of order.

 
   
Right angle armor cable with fiberglass leads - Specify location and length of leads at time of order.   Metal braid with fiberglass leads - Specify location and length of leads at time of order.

 
   
Shell Overlap - The metal strap is continued over the gap and a hole is provided. This allows for thermocouple mounting without a hole in the heater.   Fiberglass leads with protective sleeve - Specify location and length of leads at time of order.


THREADED TERMINALS

 
   
10-32 Threaded Terminals - Minimum width required 7/8"   Ceramic Terminal Covers - Available on all threaded terminals. Covers available separately

 
   
10-32 Threaded Terminals - Minimum width required 7/8"-Specify location at time of order   Sheet Metal Terminal Box - Available with T2 and T3 threaded terminals.

 
   
10-32 Threaded Terminals - Minimum width required 2.00"-Specify location at time of order   European Plug - Also available in 90 degree construction- Specify location at time of order.