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DHC 6510R inverter heater

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INVERTOR DHC 6510R is designed primarily for weld preheating and stress relieving of materials after welding to reduce stress, reduce hydrogen content and for preheating before welding up to 1050°C. Compared to inverters DHP, it also has the option of higher-level programming designed especially for weld preheating and stress relieving. It also enables multizone mode, linking and copying programs, setting more control values and others. Recording time is 64 hours.

DHC6510
Description
Use
Technical data
Advantages
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Description of inverter DHC 6510R

  • Quick and easy installation of the whole system – connecting elements, thermocouples and source set up in a matter of minutes – ready to heat up quickly!
  • Built-in controller enables manual mode or programming.
  • Low operating cost and low cost of consumables. No gas cost and minimal cost insulation. Insulation can be used repeatedly: 40-50x. Elements withstand repeated use under standard treatment. Low power consumption. Energy efficient system of preheating and heat treatment.
  • Even and stable heating to the desired temperature with minimal deviation. Surface of the heated part is not locally overheated above the desired temperature as with a flame source. Surface of the material is not carburized as when using flame heating.
  • Better safety and working conditions for welders. Operators and welders are not exposed to open flame, hot gases and the risk of explosion as when using flame. No health risks for operators from high frequency or high output voltage.
  • Parts can be heated up to 800°C or higher without using water cooling and therefore offer greater flexibility of use.
  • Any material can be preheated. Enables easy preheating of any material and non-ferrous materials.
  • Lower costs for staff training, lower wage costs. Staff only installs and programs the device. The source heats the material unattended. There is no need to hold the burner and permanently check
    achieved temperature as with the flame.
  • Continuous control of heating power, power supply. Significantly increases life of elements, reduces energy consumption and reduces demands on power grid.
  • Very reasonable purchase cost compared to inductive heating.
  • Multizone heating and control. Parallel connection of multiple inverters (up to 9 sources) enable multiple heating power and precise control of heating in up to 9 zones from one control.
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Using of inverter heater DHC 6510R

INVERTOR DHC 6510R is designed primarily for weld preheating and stress relieving of materials after welding to reduce stress, reduce hydrogen content and for preheating before welding up to 1050°C. Compared to inverters DHP, it also has the option of higher-level programming designed especially for weld preheating and stress relieving. It also enables multizone mode, linking and copying programs, setting more control values and others. Recording time is 64 hours.

 

Typical use of inverter heating DHC

  • Power and petrochemical industry – preheating pipe joints, heat exchangers, boilers, stators, steel vessels, flanges etc.
  • Constructions production, shipbuilding – preheating long, short and shaped welds.
  • Mining industry – preheating pipes before welding and hard surfacing.
  • Industrial protection – preheating parts to a desired temperature.
  • Repairs, renovations and hard surfacing – economically and technologically correct preheating of components.

 

With the ability to use up to four elements, it is possible to preheat long welds. Saves time preheating and therefore costs. Maintains required temperature of the parts before, during and after welding.
Higher quality of welding. Even heating of parts to exact temperature. Significantly reduces gas costs. Increases safety and productivity of welders.

  • Parts that require preheating before welding in the automotive, rail and shipping industry.
  • Pipe and flange – manufacturing, construction and repairs.
  • Petrochemical industry – manufacturing, construction and repairs.
  • Preheating before hard surfacing, foundry.
  • Heat exchangers, pressure vessels, flanges etc.
  • Energy industry.
  • Manufacture of steel structures.
  • Mining equipment.
  • Maintenance.
Ordering code
04-001
Output voltage / current
0-60 V / 180 A, 65 V / 160 A continuously adjustable, CV/CC
Load
Resistance heater elements 24-60 V (type 30/42/60 V)
Supply voltage / current
3~400 V, 50/60 Hz, 23 A ±15%
Supply fuse
25 A
Temperature sensor
Thermocouple type K, with galvanized insulation
Range / regulation
-40°C to 1350°C / -25°C to 1200°C
Alarm
2 adjustable (deviation SV/PV, temperature archieved etc.)
Fault detection
thermocouple disconnection, overload, overheating, output short circuit etc.
Multizone control
-20°C to 40°C (with a capacity limit to 50°C)
Dimensions and weight
170x370x405 mm, 17 kg

Advantages of resistance heater DHC 6510R

Inverters DHP and DHC can be used to supplement or replace conventional flame heating. Or can complete induction, big resistance heating sources. Inverter sources DHP and DHC for resistance heating have the following advantages, which increase their attractiveness in production, maintenance, renovation workshops, foundries, outdoor plants, etc.:

  • Mobility – weight only 17 kg, small size similar to a small welding machine.
  • High performance – 10.5 kW connection to up to 4 elements with a total length of up to 4.5 m.
  • 3 in 1 – complex consisting of inverter + thermocontrol + recorder*.
  • Flexibility of use – can be connected anywhere, power supply 3x 400 V 32 A, easy and quick installation.
  • Intuitive and easy control – low attention demands during operation. Control is similar to welding machines.
  • Versatile use of preheating – even heating for shaped, flat, circular positioned or standard components.

 

Advantages of resistance heating DHP and DHC over flame heating

  • Controlled preheating with recording. It is possible to print out the preheating record from PC and to present it together with manufacturing documentation.
  • Controlled preheating to exact temperature with minimal deviation.
  • Programmed and automatic preheating will reach the required temperature without need for operator’s intervention or assistance, which reduces labor costs.
  • Surface of the heated component is not locally overheated more than to the required temperature as with the flame. Surface of the material is not exposed to open flame and is not carburized as when using flame heating.
  • Significantly higher safety. Operators and welders are not exposed to open flame and its effects, hence the risk of injury, fire or explosion.
  • Lower energy use. Thanks to insulation, temperature does not leak outside the heated area.
  • No need of testing and certification of staff to work with flame.
  • Savings on thermochalks, thermometers, etc.

 

Advantages of resistance heating DHP and DHC over induction heating

  • Multi-zone heating – better temperature control of larger parts by using more thermocouples.
  • Parallel arrangement of sources to achieve higher continuous power and more precise control of the desired temperature.
  • It is possible to heat various types of materials without modifications such as ferrous metals etc.
  • Heating of temperature up to 1050°C. No need for water-cooling in the whole temperature range up 1050°C.
  • Significantly lower purchase cost of equipment and accessories.
  • Easier and inexpensive staff training.
  • Even heating of surfaces due to greater surface of elements.
  • Safe output voltage.
  • Possibility of using magnetic elements. Several types of elements for various applications.
  • Higher mobility – weight only 17 kg. Can be transported even in a passenger car!