The Revolutionary Watt-Flex Split-Sheath Cartridge Heater from Dalton Electric  
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Electric Heating Co., Inc
     
The Watt-Flex Advantages:
  Maximize Heat Transfer
  Last 5 times longer
  Ease of Removability
  Uniform Temperature Profile
  Higher Watt Densities and Operating Temperatures
  Use in Oversized Bores
  Hot-Tip Option
  External Thermocouple
Product Data
  Cartridge Heater Sizes
  Immersion Heaters
  Accessories and Modifications
  Pricing
Technical Data
  Engineering Data and Design Considerations
  Literature / Downloads

 



Watt-Flex® Cartridge Heater Standard Dimensions

All Watt-Flex cartridge heaters are built-to-order to match your heating and size requirements. Available sizes for cartridges are listed below.

Watt-Flex heaters eliminate the need for a tight fit. When selecting the right diameter for the bore in your application, keep in mind that the recommended fit for a Watt-Flex diameter is .007" larger than the nominal diameters shown.

For custom sizes and special heating applications, call and talk to one of our heating specialists at (978) 356-9844.

We have designed and built high-watt heaters for use across a wide variety of industries and process heating applications such as molds and dies, plastics, package sealing, and liquids in automotive, plastics, composites, aerospace, food service, and more.

 

Table: Watt-Flex Cartridge Heater Dimensions

Available
Diameters

Nominal Diameters (1) Standard Cold Section at Terminal End

Min - Max (2) Lengths

1/4” 0.245” 5/16” 1”- 22”
3/8” 0.370” 3/8” 1 1/2” - 36”
1/2” 0.495” 5/8” 2” - 50"
5/8” 0.620” 5/8” 2 1/2” - 72”
11/16” 0.683” 5/8” 3 1/2” - 64”
3/4” 0.745” 5/8” 3 1/2” - 90”
1" 0.9925" 1” 10” - 60”
  8.0 mm  7.875 mm  8.000 mm 38 - 660 mm
10.0 mm  9.875 mm  9.500 mm 38 - 915 mm
12.0 mm 11.875 mm 15.875 mm   50 - 1140 mm
12.5 mm 12.375 mm 15.875 mm   50 - 1140 mm
15.0 mm 14.875 mm 15.875 mm   65 - 1250 mm
16.0 mm 15.875 mm 15.875 mm   65 - 1525 mm
20.0 mm 19.875 mm 15.875 mm 100 - 1825 mm
25.0 mm 24.87 mm 24.5 mm   200- 1525 mm
       
(1) Tolerances: ±.002" ( 1/4" to 3/4"); ±.0025 (1"); ±.05mm (8mm-20mm)
(2) Tolerances: ± 3% with 3/32"minimum; ±2% above 20 " (500 mm)
 

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Dalton Electric Heating Co., Inc (978)356-9844
28 Hayward Street Ipswich, MA 01938 USA