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Oberdorfer - Applications - Industrial - Welding Coolant Transfer

Welding Coolant Transfer

Keeping Torches Cool with Oberdorfer Pumps

In high-performance welding operations—such as TIG (GTAW) or MIG (GMAW)—the welding torch can generate significant heat. To prevent overheating and ensure consistent weld quality, many systems use liquid-cooled torches. These systems rely on a closed-loop coolant circuit to remove heat from the torch and maintain optimal operating temperatures.

How the System Works

  1. Coolant Reservoir:
    Stores the cooling liquid (typically a water-glycol mix or specialized coolant).
  2. Oberdorfer Pump:
    Circulates the coolant from the reservoir to the welding torch.
  3. Torch Cooling Jacket:
    The coolant absorbs heat from the torch head.
  4. Return Line with Filter:
    The heated coolant returns to the tank, passing through a filter to remove contaminants.
  5. Heat Dissipation:
    The coolant cools down in the tank or via a heat exchanger before recirculating.

Why Oberdorfer Pumps Are Ideal for Welding Coolant Transfer

  1. Precision Flow Control
    • Gear and centrifugal pump models provide steady, non-pulsating flow, which is essential for consistent cooling.
  2. Compact and Durable
    • Designed to fit inside welding machines or external cooling units.
    • Built with bronze housings and carbon-graphite bearings for long service life.
  3. 3Chemical Compatibility
    • Compatible with common coolants, including glycol-based fluids and deionized water.
  4. Quiet Operation
    • Low-noise performance is ideal for workshop environments.

Benefits of Using Oberdorfer Pumps in Welding Systems

  • Prevents Torch Overheating: Extends the life of consumables and torch components.
  • Improves Weld Quality: Maintains stable arc characteristics by keeping the torch at optimal temperature.
  • Reduces Downtime: Reliable pump operation ensures uninterrupted welding.
  • Protects Equipment: Clean, filtered coolant prevents clogging and corrosion in the system.

Typical Use Cases

  • Industrial Welding Stations: Automated or robotic welding cells.
  • Fabrication Shops: Manual TIG/MIG welding with high duty cycles.
  • Pipe Welding: Where long arc-on times generate significant heat.
  • Laser Welding Systems: Where precise thermal control is critical.