MER Custom Equipment

MER Pipe Heating Power Supply

MER Builds Pipeline Heaters For High Volume Pipe Painting

Our machine is skid-mounted and consists of two specialized generators, and one air compressor-all powered by one Deere Diesel engine. The larger direct-driven generator is a high frequency unit that is made for efficient induction heating of the pipe, to hasten the paint cure-time, before wrapping.
A second, smaller 10kW generator produces power for lighting and power tools, and an air-compressor, air-dryer and reservoir for supplying the pressure with which to paint.  Optional equipment is available to suit to any climate, and it can be customized to also carry a welding power source so that two pipeline welders can be joining pipe, ahead of the painting operation. It is easy to picture this machine in a remote area, with a crew of six people; two prepping the weld joints, two welding, and two doing the heating and painting of the pipe.
Eight inch, wide flange galvanized steel beams provide the foundation for solid mounting of the equipment, with a balanced center picking point. There is also provision in the skid frame for fork pockets when lifting must be done by a fork lift.
All equipment on the skid is powered by the John Deere Turbocharged 4045T engine with a common rail fuel system. This includes the direct driven high frequency Kato generator used for induction heating of steel pipe, and the second belt-driven Marathon generator, and a Midland gear driven automotive style air compressor.
The Midland unit is a “through-drive” compressor, meaning that additional power-take-off loads may be mounted and driven from the back end of the compressor.
Also mounted on the skid is a high pressure 20 gallon compressed air reservoir, an air dryer, fuel tank, and radiator.
Donaldson supplied the engine air filter, while the exhaust system includes a Cowl critical grade exhaust silencer. The compressed air system air dryer is mounted on the right-hand side of the machine near the gear-driven air compressor.
The 10kW marathon generator runs at an rpm of 1800 and produces 10W at a voltage of 208 volts, and has an adjustable belt tensioner mounted on the slack-side of the belts and uses a a polymer spring to maintain belt tension.
With a fuel capacity of 55 gallons, baffled fuel tank is mounted on special polyurethane belts and is securely clamped to the machine’s frame. Turning at 2400 rpm and producing 75kW of power, the Kato generator produces 275 volts at 800 HZ, for efficient induction heating of steel pipe.
Heavy-duty D-ring lifting brackets at each corner enable lifting the unit from above.

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