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Nirmal Overseas Ltd.

Nirmal Overseas Ltd.
Phase 2, Noida, Uttar Pradesh

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Call 08068051329 Ext. 107

Our Products

  1. Machines And Equipments 6 Products available
  2. Electric Welding Machine 5 Products available
  3. Textile Machinery 5 Products available
  4. Roll Forming & Bending Machines 4 Products available

  5. Chemical Machinery & Plant

    2 Products available

  6. Rolling Machine

    2 Products available

  7. Grinding & Milling Tools & Machinery

    2 Products available

  8. Welding Machinery

    2 Products available

  9. Tube Mill

    2 Products available

  10. PVC, HDPE, FRP & Plastic Pipes

    1 Products available
  11. Others Products 11 Products available

Electric Welding Machine

Our offered Product range includes High-Frequency-Vacuum-Tube-Welders, High Frequency Solid State Induction Welder, High Frequency Welding Machine, High Frequency Tube Welder and high frequency solid state welder.

High-Frequency-Vacuum-Tube-Welders

High-Frequency-Vacuum-Tube-Welders
  • Oscillator Frequency : 200 KHz-400KHz
  • Output Power : 50 KW-1000KW
  • Cooling Method : Water Cooling
Nssw solid induction hf welding unit (hf welder) suitable for continuous production of longitudinal welded tube and pipe production lines. Components of the equipment : nssw-solid state induction hf welder composing ofscr dc powersupply, hf inverter and water cooling unit(air-water-or water heat exchanger) major parameters :power supplyac three-phase 380v420v, 50hz60z, 75kva-1500kva(different input voltage and frequency can also be arranged)
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High Frequency Solid State Induction Welder

High Frequency Solid State Induction Welder
Solid state high frequency welding pipe equipment's Solid state high frequency welding pipe equipment uses the common structure of frequency conversion such as AC-DC-AC. Three phase 380V power supply is sent to step down transformer before it passes through switch cabinet. The AC power supply is around 200V which has been dropped voltage to sent into the rectifier in rectifier cabinet, Rectifier use thress phase thyristor fully controlled bridge rectifier, through control thyristor breakover time delay angle a to achieve the purpose for adjustment output power size. The rectified DC voltage is sent to the high frequency invertor before pass through the filter link. high frequency invertor to inverter producing single phase high frequency and being send to resonance circuit. Via the matching of load and the adjusting mechanism output high frequency energy to complete steel pipe welding. The comparison with vacuum tube high frequeny, the main diffrence between vaccume tube welder is it's efficiency SSW efficiency is 85% as campair to vaccum tube welder which is 65% and SSW no oscillator valve i s used solid state welder save electricity consumption because off it's 25% efficiency saving.
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High Frequency Welding Machine

High Frequency Welding Machine
  • Oscillator Frequency 200 KHz-400KHz
  • Output Power 50 KW-1000KW
Solid state high frequency welding pipe equipment's solid state high frequency welding pipe equipment uses the common structure of frequency conversion such as ac-dc-ac. Three phase 380v power supply is sent to step down transformer before it passes through switch cabinet. The ac power supply is around 200v which has been dropped voltage to sent into the rectifier in rectifier cabinet, rectifier use thress phase thyristor fully controlled bridge rectifier, through control thyristor breakover time delay angle a to achieve the purpose for adjustment output power size.Welding pipe power supply vacuum tube high frequency welding pipe equipment has accumulated operation design experience for a long-term, the equipment quality and the operation stability have been accepted by the general welding pipe enterprises. Along with the promoted application of solid state welded pipe equipment, its strong advantage for highly effective energy conservation opened a new path for the intense welded pipe profession competition. The third generation solid state high frequency power supply has many fine performance, there is no doubt it has the competitive advantage compares our company earlier period the second generation solid state high frequency power supply.
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High Frequency Tube Welder

High Frequency Tube Welder

High frequency Tube Welder uses the common structure of frequency conversion such as AC-AC and AC-DC. Three phase 380V-420V power supply is sent to step up transformer before it passes through switch cabinet. High Voltage Rectifier rectifies the high voltage AC power from the H.T. transformer to the DC power required for the oscillator 3 phase full wave rectification. Silicon diode mounted on aluminium heat sinks cooled by a water air heat exchanger. DC over current relay safety device. High Frequency Oscillator Unit converts voltage DC power from the rectifier into the high frequency energy and supplies it to the welding point through the HF output transformer and the output coil (inductor). It Is composed of pressurized all around access, Aluminium cabinet dust etc. The main supply transformer is specified in a way that the supply reactance works as a limiting factor of peak asymmetric fault current; and non-compliance with this specification can be destructive for rectifier semi-conductor devices.

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High Frequency Solid State Welder

High frequency solid state welder solid state high frequency welding pipe equipment's solid state high frequency welding pipe equipment uses the common structure of frequency conversion such as ac-dc-ac. Three phase 380v power supply is sent to step down transformer before it passes through switch cabinet. The ac power supply is around 200v which has been dropped voltage to sent into the rectifier in rectifier cabinet, rectifier use thress phase thyristor fully controlled bridge rectifier, through control thyristor breakover time delay angle a to achieve the purpose for adjustment output power size.
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