PRO-WP 150 / PRO-WP 300 Welding Positioners

PRO-WP 150 / PRO-WP 300 Welding Positioners


The PROMOTECH PRO-WP 150 and PRO-WP 300 are compact industrial welding positioners designed for precise positioning and rotation of round, tubular, and cylindrical workpieces during automatic or mechanized welding operations. The equipment provides infinitely variable rotation speed adjustment and automatic speed stabilization, enabling the operator to maintain the optimum welding position and achieve high-quality, repeatable welds.

These welding positioners are widely used in the fabrication of pipelines, pressure vessels, tanks, flanges, structural components, and other products requiring precise circumferential welding. Thanks to their modular design, they can be used as standalone workstations or integrated into automated welding systems with oscillators, seam tracking devices, column & boom systems, and other welding automation equipment.

Features and Benefits

  • Designed for rotating round, tubular, and other axisymmetric workpieces during welding operations.
  • Infinitely variable rotation speed adjustment using a frequency inverter.
  • Automatic rotation speed stabilization throughout the entire speed range, regardless of load.
  • Bidirectional table rotation (clockwise and counterclockwise).
  • Start and stop operation via both the remote control unit and an optional foot pedal.
  • Remote control function for arc ignition and arc stop.
  • Manual table tilt adjustment from 0° to 90°.
  • Compact design requiring minimal floor space.
  • Heavy-duty construction designed for intensive industrial operation.
  • Can be integrated into modular automated welding stations using a wide range of optional accessories.
  • Improves productivity, operator ergonomics, and weld quality.

Standard Equipment

  • PRO-WP 150 or PRO-WP 300 Welding Positioner.
  • Faceplate.
  • Frequency inverter with automatic speed stabilization system.
  • Portable remote control unit.
  • Remote arc start/stop control function.
  • Remote control cable.
  • Power supply cable.
  • Operating and maintenance documentation.
  • Factory Acceptance Test (FAT) performed prior to shipment.

Optional Equipment

  • Hands-free foot pedal.
  • Self-centering chucks of various sizes (D250, D400, DD300, DD400).
  • Clamping set.
  • Adjustable welding torch holder.
  • Roller support stand for long workpieces.
  • Linear oscillator.
  • OSC-8 Pendulum Oscillator.
  • Automatic Seam Tracking System.
  • Mini Column & Boom System.
  • Accessories for creating a modular automated welding station.

Technical Specifications

Parameter PRO-WP 150 PRO-WP 300
Maximum load capacity 150 kg 300 kg
Power supply 1 × 220–240 V or 1 × 100–120 V, 50/60 Hz 1 × 220–240 V or 1 × 100–120 V, 50/60 Hz
Motor power 0.25 kW 0.25 kW
Rotation speed range 0.12–2.4 rpm 0.12–2.4 rpm
Faceplate diameter 450 mm 630 mm
Hollow spindle bore diameter 28 mm 28 mm
Table tilt angle 0–90° 0–90°
Tilt adjustment Manual Manual
Permissible center of gravity offset at 90° table tilt Up to 100 mm Up to 100 mm
Maximum current transfer through spindle 400 A 400 A
Rotation direction Clockwise / Counterclockwise Clockwise / Counterclockwise
Weight 115 kg 150 kg
Manufacturer PROMOTECH Sp. z o.o. (Poland) PROMOTECH Sp. z o.o. (Poland)

pro-wp-150-300-en Cutting-Welding-Automation_26.05

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