Tubular heating elements for liquid

Backer tubular heating element is a well-tried and safe technical solution for liquid heating.

The Backer tubular heating element is the most frequent alternative when it comes to exact heating of fluids. Our supply of varants and processed products is immense and the elements are used as heating source in different appliances, such as electrical water heaters, dishwashers and washing machines, boilers, coffee machines, fryers, industrial baths and oil filled radiators.

The optimal solution for the required field of application is decided from what medium shall be heated, assembly of the element and power required.

Fields of application:

 Solar heating Washing machine Heating pumps

 

>> Further examples
  • Boilers
  • Water boilers
  • Dish washers
  • Towel heaters
  • Fryer
  • Industrial baths
  • Desinfectors


Technical data:

 

Material Mild steel - Grade D
Stainless steel - AISI 304, AISI 316L, UNS S31254, UNS N08904, Incoloy 800, Incoloy 825
Dimensions

Ø 6,5 mm
Ø 8,5 mm
Ø 14 mm 
Ø 16 mm
Ø 18 mm
Ø 21 mm

Assembly

Inserted heating element with flange
Inserted heating element with screw plug
Heating element with nipple
Immersion heater
Casted element for contact assembly

Connection

Direct connection for installation in equipment
M4, M6, flat pin, spot welded cable, Ø 2.5 mm pin.
Terminal box with/without temperature regulating device

Design

One, two alt. three wattage ratings/element
Connection at one or two ends
According to customer specification
Standard range
Can be manufactured with UL, VDE approval

 

Fixing and connection devices

Savings in cost can often be made if elements are fitted with connection and fixing devices during manufacturing. Below you find the most frequent alternatives, which could be considered standard. We can also supply special flanges and alternative methods of fixing made completely to our clients' specifications.

When selecting connection and fixing devices it is often important to bear in mind the size of the series.

Types of cables and wiring

 

The tubular element can be eqiupped with connection that normally are spot welded on the thread. Choose from insulated or not. If not insulated, they can be provided with insulation hose. 

Specification (most common types)

Leading mat. Insulation mat. Max. operating temp.
Copper  - 180°C

Copper

Silicon 180°C
Copper Fibreglass/silicon 180°C
Nickel  - 400°C
Nickel Ceramic pearls 400°C
Nickel Fiberglas/silicon 200°C
 
Image: Tubular heating elements for liquid