RoMan Manufacturing

Water-Cooled AC, DC and MFDC Resistance Welding Transformers and Power Supplies available from Weld Systems Integrators, Inc.

Partner Logo - RoMan Manufacturing | Weld Systems Integrators

RoMan transformers and power supplies are available from Weld Systems Integrators. WSI is a distributor of RoMan water-cooled AC, DC and MFDC resistance welding transformers and power supplies. We keep an inventory of new, used and rewound resistance welding transformers IN-STOCK at our Warrensville Heights location for quick shipment and delivery.

REVERSING MFDC POWER SUPPLY

Water-cooled Reversing MFDC power supplies are lightweight and can be used in robotic welding of aluminum in a variety of applications in industries.

  • KVA: 225
  • Primary Volts: 650
  • Frequency: 1000 Hz
  • Current Capacity: Up to 32K amps
  • Fully encapsulated to ensure long life
RoMan Reversing MFDC Transformer | Weld Systems Integrators

FAST RISE TIME MFDC POWER SUPPLY

Provides an alternative to traditional capacitive discharge welding (CDW). FRT-MFDC power supply features:

  • 650 Volt, 1,000 Hz
  • 225 KVA @ 50% duty cycle
  • Secondary no load DC voltage of 13.0 & 17.5 volts
  • Thermostat protection
  • Secondary pick-up coil
  • Fully encapsulated to ensure long life
  • Water-cooled, 15 L.P.M. (4 G.P.M.) minimum @ 30°C
  • Weight: 50 kilograms (110 lbs)
RoMan Fast Rise Time Transformer | Weld Systems Integrators

MFDC / INVERTER POWER SUPPLIES

Lightweight water-cooled inverter power supplies are ideal for robotic welding applications.

  • KVA Range: 7 – 1,500 KVA
  • Primary Volts: 325 – 800 Volts
  • Frequency Range: 400 – 2,000 Hz
  • Size: Rectifier capacity from size 1-48
  • Thermoswitch Protection
  • Fully encapsulated to ensure long life
  • Optional accessories: Secondary pick-up coil
RoMan MFDC Transformer | Weld Systems Integrators

FIXTURE-TYPE WATER-COOLED TRANSFORMERS

Ideal for multi-spot welding fixtures.

  • KVA Range:  25 KVA – 200 KVA (rated at 50% duty cycle)
  • Primary Voltages: 400 Volts, 50Hz | 480 Volts, 60Hz | 575 Volts, 60Hz
  • Fully encapsulated to ensure long life
  • Optional accessories: Secondary Parallel Bar Kit, Secondary Series Bar Kit, Grounding Reactors, Available remotely mounted Switchgear / Tap Switch, Over temperature thermoswitches

RoMan Fixture Transformer | Weld Systems Integrators

TRANSGUN WATER-COOLED TRANSFORMERS

Compact and lightweight, making them ideal for robotic and fixture spot welding applications.

  • KVA Range: 35 KVA to 136 KVA (rated at 50% duty cycle)
  • Primary Voltages: 240 Volts, 60 Hz | 480 Volts, 60 Hz | 575 Volts, 60 Hz
  • Flat secondary pads
  • Over-temperature thermoswitches
  • Fully encapsulated to ensure long life
  • Optional accessories: Special secondary pads, Secondary shunt adaptors, Secondary pick-up coil

RoMan Transgun Transformer | Weld Systems Integrators

PORTABLE GUN WATER-COOLED TRANSFORMER

Ideal for portable welding, remote robot, or manual welding guns.

  • KVA Range: 50 KVA to 200 KVA (rated at 50% duty cycle)
  • Primary Voltages: 480 Volts, 60 Hz | 575 Volts, 60 Hz
  • Secondary connections to accept low reactance (kickless) welding cables
  • Parallel Bars installed – optional Series Bars included
  • Integral hangers for over-head mounting
  • Fully encapsulated to ensure long life
  • Optional accessories: Dual Kickless Cables, Over-temperature thermoswitches, Grounding Reactor

RoMan Portable Gun Transformer | Weld Systems Integrators

MACHINE WATER-COOLED TRANSFORMERS

Ideal for press, seam, rocker arm, cross wire and other welding applications.

  • KVA Range: 20 KVA – 500 KVA (rated at 50% duty cycle)
  • RWMA standard machine pad sizes and hole spacing
  • Primary Voltages: 480 Volts, 60Hz (7 – 1/4″ x 9 – 1/4″ and 7 – 3/4″ x 10 – 1/4″ only) | 575 Volts, 60Hz
  • Fully encapsulated to ensure long life
  • Optional accessories: Available remotely mounted Switchgear / Tap Switch, Over-temperature thermoswitches
RoMan Machine Transformer | Weld Systems Integrators

DC / LOW-FREQUENCY WATER-COOLED TRANSFORMERS

Ideal for high current, long-duty cycle applications–large ring projection, flash-butt and rim welding.

  • KVA Range: 10 – 3,000 KVA
  • Primary Voltages: 200 – 800 Volts
  •  Frequency: 50 – 60 Hz
  • Secondary Voltages: 0.5 – 50 Volts
  • Secondary Current Output: 1KA – 1,000KA
  • Fully encapsulated to ensure long life
RoMan DC Transformer | Weld Systems Integrators

Contact Weld Systems Integrators

Weld Systems Integrators (WSI) is your complete source for standard and custom resistance welders, consumables, spare and replacement parts and value added services. We offer WORLDWIDE shipping from our Warrensville Heights, OH location.

CONTACT Weld Systems Integrators, or REQUEST A QUOTE for more information on our IN-STOCK welding equipment inventory. To speak with a WSI team member, please give us a call at 844-WSI-WELD or +1-216-475-5629.

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