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The Flex-Loc™ series torch is a variable-angle torch that locks into any position within a 360-degree rotation. Interchangeable heads allow different size tungsten and head sizes to be quickly and efficiently changed. The patented Flex-Loc™ TIG Torch is available in water-cooled and gas-cooled models. Great for applications requiring a unique angle yet allowing the user a rigid torch. Ergonomically designed to help eliminate fatigue. Applications: Cup walking on pipe root welds, welds that require a mirror to access weldment, and welds requiring different tungsten sizes.
For parts for this torch, click here.
Answers to common questions about complete air-cooled TIG torch packages with a flexible one-piece cable and a machine connection.
For lower welding currents an air-cooled torch is the usual choice. TWI notes that lower currents use smaller electrodes and air cooling, while higher currents need a larger torch and water cooling. Air-cooled torches can also get too hot during long, continuous welding runs.Look at the highest current you will actually weld at and how long you weld without a break, then compare that with the torch rating on its data plate and in the manual. If you regularly run near the limit, step up to a higher-rated or water-cooled torch rather than pushing the air-cooled one.
Duty cycle is the percentage of a set period, commonly 10 minutes, for which a torch can carry a stated current without overheating. For example, a 60% rating at a stated current means the torch can be used at that current for about 6 minutes in every 10, with the remaining 4 minutes as cooling time.Ratings depend on the maker, the test method and whether the figure is for DC or AC, so read the torch data plate or manual rather than assuming. Running above the rated current or duty cycle overheats the handle and cable and can shorten the life of the torch.
On an air-cooled torch the shielding gas and the welding current usually travel together in a single combined cable. Heat is shed to the surrounding air and the flowing gas, so there is no separate water circuit to set up, which keeps the torch simple.The cable carries a lot of copper to handle the current, so it can be heavier and stiffer than a water-cooled cable, and it cannot carry away much heat, which is why air-cooled torches have lower current and duty cycle ratings. Keep the cable free of tight kinks and crushing, and replace it if the outer cover is cracked or the lead feels unusually hot in use.
A longer cable gives more reach from the machine, which helps on large fabrications or when the machine has to stay put. A shorter cable is easier to manage, less likely to tangle or get trodden on, and has fewer places to kink.Choose the shortest length that comfortably reaches your work without pulling on the connections. Extra cable can be coiled loosely, never in tight loops, and should be kept away from sharp edges and heat. Always keep within the current rating given by the maker for that cable, which is on the data plate or in the manual.
