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Nozzle Band Heaters

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Nozzle Band Heaters DHB from Mickenhagen

Discover the performance of Mickenhagen nozzle heating elements, which are used in a wide range of process engineering applications. For decades, they have established themselves as the proven standard for the efficient heating of nozzles in injection molding machines and injection molds in plastics processing.

We provide customized innovative solutions to suit your specific application. Our nozzle heating elements deliver the quality and performance you can depend on.

Benefit from our extensive expertise and many years of experience to optimize your production processes and achieve first-class results. Put your trust in Mickenhagen nozzle heating elements for reliable and efficient heat transfer.

Let's collaborate to address your specific requirements and provide you with customized solutions. Experience the performance of our nozzle heating elements and increase your productivity. Mickenhagen - your partner for innovative heating technology.

 

Inner diameter 28 - 110 mm
Width 20 - 80 mm
Wall thickness

3,5 mm Typ C
5,0 mm Typ CK

Voltage up to 440 V
Power as required up to the maximum
possible specific power
Specific power up to 6,5 W/cm² Typ C
up to 9,0 W/cm² Typ CK
performance tolerance +/- 10%
high voltage stability 1000 VAC
insulation resistance 1 MOhm (500VDC
in cold condition
Protection class IP 40
Temperature up to 500°C
Material Brass/stainless steel
Connection cable Nickel cable with
glass fiber insulation,
steel braid sheathed
   

 

 

 

Options:

  • Drill holes

  • with tension band

  • Anschluss für
    externe Temperaturfühler

  • Connection for external temperature sensors

  • Various connection cables

  • two-part design

  • with plug

  • kink protecion

  • liquid-tight design

Typ: A45 (axial 45°)

Skizze Heizelement A45

Typ: R (radial)

Skizze Heizelement R

Typ: AF (axial 0°)

Skizze Heizelement AF

Typ: T45 (tangential 45°)

Skizze Heizelement T45

Typ: KR (core heater radial)

Skizze Heizelement KR

Typ: KA (core heater axial)

Skizze Heizelement KA

Nozzle heater with integrated temperature sensor

A temperature sensor is positioned under the connection cap for temperature measurement. The temperature in the heating element is measured.

Versions:

  • Thermocouple Fe-CuNi Typ J, Ni-CrNi Typ K, 
  • Resistance sensor PT 100
  • Potential-bound or potential-free

 

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Nozzle heater with hole and threaded connection (M8x1) for external temperature sensor

To measure the temperature, an external temperature sensor is screwed into the existing thread. The temperature on the surface of the object to be heated is measured. For example, the WT-NH 3 temperature sensor can be used here (see illustration).

Ausführungen:

  • Thermocouple Fe-CuNi Typ J, Ni-CrNi Typ K, 
  • Resistance sensor PT 100
  • Potential-bound or potential-free
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Nozzle heater with TEF 19 sensor pad

The temperature sensor sits on a brass ring, which is positioned between the nozzle heating tape and the workpiece to be heated. The cable exits through the clamping gap of the tensioning device. When designing the nozzle heating tape, the clamping gap and diameter must be adjusted accordingly.

 

Versions:

  • Thermocouple Fe-CuNi Typ J, Ni-CrNi Typ K, 
  • Resistance sensor PT 100
  • Potential-bound or potential-free

 

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Nozzle heater with TEFA underlay sensor

The temperature sensor sits on a brass plate that is clamped between the workpiece to be heated and the nozzle heating tape. The cable is fed out through the clamping gap of the clamp. The small dimensions also allow retrofitting in existing heating systems.

 

Versions:

  • Thermocouple Fe-CuNi Typ J, Ni-CrNi Typ K, 
  • Resistance sensor PT 100
  • Potential-bound or potential-free

 

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Various connection cables

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Anti-kink spring

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Stainless steel corrugated conduit cable protection

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DHB with external tensioning strap type ES

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DHB two-piece type Z

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DHB Liquid-tight

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DHB special shapes

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DHB Two-part, liquid-tight with special bracing

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Cable length, cable outlet direction, option with thermocouple are freely selectable.

Other dimensions available at short notice on request.

   Diameter
in mm

 Width
in mm

 Voltage
in Volt

Power
in Watt

30 16 230 100
30 22 230 80/140
30 30 230 100/180
30 38 230 130/240
30 48 230 160/300
       
35 16 230 110
35 22 230 85/160
35 30 230 120/230
35 38 230 150/270
35 48 230 190/340
       
40 16 230 110
40 22 230 120/160
40 30 230 140/230
40 38 230 180/300
40 48 230 220/380
       
45 16 230 140
45 22 230 130/200
45 30 230 150/260
45 38 230 190/350
45 48 230 250/400
       
50 16 230 150
50 22 230 140/230
50 30 230 160/270
50 38 230 200/420
50 48 230 260/420

 

   Diameter
in mm

Width
    in mm   

 Voltage
in Volt

   Power  
in Watt

55 16 230 160
55 22 230 163/275
55 30 230 180/300
55 38 230 250/430
55 48 230 300/500
       
60 16 230 160
60 22 230 163/275
60 30 230 180/300 /430
60 38 230 250/430
60 48 230 340/500
       
65 22 230 275
65 30 230 220/350
65 38 230 280/450
       
70 22 230 300
70 30 230 250/350
70 38 230 340/450
       
75 22 230 325
75 30 230 250/400
75 38 230 350/500
       
80 22 230 330
80 30 230 300/450
80 38 230 350/480
       
       
       

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In many industrial applications, precise temperature control is of paramount importance. Nozzle heating tapes support this process and offer an efficient way of heating liquids, gases and solids to the desired temperature and controlling it precisely.

How does a nozzle heating tape work?

The function of a nozzle heating tape is based on the principle of electrical resistance and heat transfer. The core of a nozzle heating tape consists of a heating conductor, which is usually a wire resistor. This wire is made of a material with high electrical conductivity and specific resistance. When electric current flows through this wire, the effect of electrical resistance occurs, causing the wire to generate heat. The heat generated is transferred from the heating wire directly to the surrounding surface of the nozzle heating tape. This surface is in direct contact with the element to be heated. This construction is designed to distribute the heat evenly. To ensure that the heat is only emitted in the correct direction, the heating conductor is surrounded by a layer of insulation. In addition, nozzle heating tapes are usually combined with temperature regulators or thermostats to precisely control the desired temperature. This makes it possible to keep the temperature at a constant level and make adjustments if it should change.

How are nozzle heating tapes manufactured?

To start the production of a nozzle heating tape, a heating conductor is required, which is made from a wire material. This provides electrical resistance to generate heat. The wire is often wound in special patterns or spirals to ensure efficient heat transfer. An insulating layer is applied around the heating conductor, which serves to insulate the heating conductor electrically and distribute the heat evenly. Depending on the requirements, this layer can be made of micanite, silicone or other heat-resistant materials. The heatsealing band insulation unit is then formed into the desired shape, which corresponds to the shape of the medium to be heated. This can be done by winding, pressing or other shaping processes. In some cases, nozzle heating tapes are fitted with an outer thermal protective cover to provide additional insulation. Finally, connecting cables are attached to the heating element to transmit the electrical current to the heating conductor. The manufacturing process is followed by quality assurance to ensure the safety and function of the nozzle heating tape.ment angebracht, die den elektrischen Strom zum Heizleiter übertragen. Um den Herstellungsprozess zu überprüfen folgt eine Qualitätssicherung, um die Sicherheit und Funktion des Düsenheizbands zu gewährleisten.

Which materials can be heated by nozzle heating elements?

Depending on the type of application, nozzle heating tapes transfer heat to gases, liquids and solids and are therefore of great importance.

  • Gases: Nozzle heating tapes are often used in industrial processes to heat air or gas flows in pipes or lines. This is common in the chemical industry, food processing and other applications where heated gases are required.
  • Liquids: In many applications, a nozzle heating tape is used to heat liquids such as water, oil or chemicals. This is common in the food industry for heating liquids in tanks or pipes, in plastics processing such as for melting plastic granulates and in medical technology for controlling the temperature of reaction mixtures.
  • Solids: In some cases, nozzle heating belts are also used to heat solid materials such as solids in powder form or granulates. This can occur in the pharmaceutical industry or material processing.

What nozzle heating tapes are available?

There are different types of nozzle heating tapes to cover different industrial applications. Since the applications have different requirements for heat transfer, temperature control and durability of the nozzle heating tapes, they must be adapted in terms of shape and size, material, resistance and energy and heat efficiency. These types of nozzle heating tapes exist:

  • Silicone nozzle heating tape: With silicone nozzle heating tapes, both the heating conductor and the entire heating element are embedded in silicone. On the one hand, this provides insulation and simultaneous distribution of heat and, on the other, protection against environmental influences. The silicone layer outside the heating element also serves to facilitate flexible installation. Silicone nozzle heating tapes are often used in plastics processing and in the food industry.
  • Mikanit nozzle heating tape: The heating conductor in Mikanit nozzle heating tapes is also surrounded by an insulating layer. This consists of micanite, a ceramic material, is extremely heat-resistant and distributes the heat evenly. Mikanit nozzle heating tapes are mainly used in the plastics industry, food processing, chemicals, pharmaceuticals and metalworking.
  • Insulated nozzle heating tape: The carrier layer surrounding the heating conductor of insulated nozzle heating tapes is also made of insulating material. The difference to silicone nozzle heating tape is that there is an additional layer of insulation on the outside of the heating element. This additional insulation reduces heat loss and ensures more efficient heat transfer to the medium to be heated. In addition, insulated nozzle heating tapes are often equipped with a resistant outer shell that protects the heating elements from mechanical stress and environmental influences. The insulating material is often made of fiberglass, as it is heat-resistant and insulating.

Advantages and properties of nozzle heating tapes

Nozzle heating tapes are a special type of nozzle heating element designed to ensure even and precise heating in elements. To make this possible, nozzle heating tapes have special properties. They offer many advantages for companies and industry, as precision and consistency are essential in many industrial applications.

  • Precise temperature control: A nozzle heating tape enables very accurate and precise temperature control, which is crucial in many industrial processes. This is particularly important in industries such as food processing and pharmaceuticals.
  • Rapid heating and heat transfer: Nozzle heating tapes can achieve rapid heat transfer and heating of the medium to be heated, which can speed up processes. This helps to increase productivity and efficiency.
  • Customization and durability: Nozzle heating tapes are flexible and adaptable to different shapes and sizes of nozzles, pipes or other components. They can be manufactured in different lengths and diameters to meet the requirements of the respective application. In addition, they are extremely robust against environmental influences, chemical substances or mechanical impact and require only minimal maintenance.
  • Versatility and cost efficiency: The versatility of nozzle heating tapes, their simple installation and efficient reliability can contribute to reduced energy consumption and less waste in production.

Frequently asked questions

The cost of a nozzle heating tape varies depending on the type, area of application, material, sizes and individual production requirements. To help you choose one of our high-quality nozzle heating tapes, please contact us.

The service life of a nozzle heating tape is several years to a decade. However, you should note that this applies under ideal conditions and that the service life depends on factors such as the operating conditions, temperature conditions and maintenance intervals.

When installing a nozzle heating tape, you should always follow the manufacturer's instructions. Ensure that the surroundings, positioning, fastening and cabling of the nozzle heating tape are clean. If you have a temperature control, this will be configured at the end of the installation. We will be happy to provide you with detailed information on the installation of nozzle heating tapes.

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