Heating torch “DONMET” 272 is designed for correcting metal constructions after their welding, preliminary low and high temperature heating of products before welding, welding of firm alloys, welding of details from cast iron and non-ferrous metals, and soldering of details with high-temperature solders.
The torch operates on an oxy-gas mixture with acetylene used as gas fuel.
The torch complies with ISO 5172 requirements.
TECHNICAL SPECIFICATIONS
| Pressure, bar | – acetylene | 0,6 | 0,7 | 1,0 |
| – oxygen | 3,0 | 4,0 | 5,0 | |
| Consumption, m3/h | – acetylene | 3,4 | 4,4 | 5,2 |
| – oxygen | 2,8 | 3,4 | 4,0 | |
| Welding torch length with a tip– 725 mm | ||||
| Welding torch weight with a tip – 0,9 kg | ||||
| Inlet threads / hose inner diameter, mm – G1/4- 6 / G3/8LH -8 | ||||
CONSUMABLES (TO THE PERSONAL ORDER)
| Description | SKU |
| Mesh nozzle | 272.300.00 |
STRUCTURE AND OPERATION.
The welding torch consists of a body and a tip.
Its body has adjusting oxygen (in blue color) and gas fuel (in red color) valves.
Gas valves consist of a spindle with a locking item as a cone or a ball, a handwheel, sealing rings and a stuffing nut.
The tip has a device for mixing gas and oxygen (an injector) and a built-in mouthpiece.
