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The CK 180L is an extended (114mm) neck torch ideal for applications where a longer reach is required. With compact consumable parts and no back cap it can access tight areas where other torches cannot reach. The CK180L is a 180 amp Water-Cooled torch with a 100% duty cycle. It uses compact 8-series consumable parts. The Ozmo and Cut-Down torch packages include a 24W style torch and premium accessory kit featuring low-profile consumables for easy low clearance work. With higher amperage than CK's Micro Torch packages, these torch kits allow you to finesse welds that were previously inaccessible with larger torches.
Answers for buyers choosing and looking after compact and extended-neck water-cooled TIG torches in the 180 amp class.
Many makers put the point at which water cooling becomes worthwhile at around 200 amps, although some suggest a higher figure, so treat it as a rough guide rather than a rule. Water cooling matters most if you weld at high current for long arc-on times, because coolant carries heat away from the head and power cable, so the head can be smaller and lighter.The trade-off is more equipment: you need a cooler, coolant and extra hoses, so the set-up is less portable than an air-cooled torch. Always check the torch's rated current and duty cycle on its data plate and in the manual, and remember the rating assumes the coolant is flowing as the maker specifies.
A longer neck lets the cup and tungsten reach into recessed joints, deep corners and areas behind obstructions where a standard head and handle would foul the work. It is mainly a reach and visibility solution for awkward joints.The trade-off is that the handle sits further from the arc, so the torch can feel less balanced and needs a steadier hand. Pair it with the correct cup for the joint, check that gas coverage is still good at the end of the reach, and make a trial weld on scrap before committing to the real job.
A short, button-style back cap and low-profile consumables shorten the overall head so it fits into small, low-clearance spaces. Makers note that short and medium back caps are used with tungsten electrodes cut down to a shorter length, whereas long back caps take a standard full-length electrode.What you give up is gas coverage and convenience. Smaller cups generally give less shielding coverage than larger ones, so you may need to slow down, watch the heat input and check the weld for discolouration or porosity. Your torch manual will say which cups, collets and back caps fit your head size.
Use the coolant specified in the manual for your cooler and torch. Makers advise a specially treated torch coolant rather than plain tap water, because untreated water can lead to algae growth and scale inside the torch and cable. Treated coolants also protect the pump and head from corrosion and may give frost protection.Do not assume that any antifreeze is suitable: some mixes can harm seals, block passages or affect the pump, so only use a product the cooler maker approves. Check the level regularly and change the coolant at the interval the maker gives.
Never start welding with a water-cooled torch unless the cooler is filled and running. Makers advise checking that coolant is circulating while you weld, and with many coolers you can see a strong return flow into the coolant tank when the system is working.If the torch or cable becomes unusually hot, stop and let it cool, then check the coolant level, the flow, any kinked or blocked hoses and whether the coolant is contaminated. Persistent overheating means the torch should be checked by a competent person rather than used until it fails.
Check that all coolant connections are leak-tight each time you set up, and look at the O-ring on the torch body before each start-up to make sure it is undamaged. Makers also advise inspecting coolant hoses, seals and connections regularly and replacing any that are damaged or leaking. A leak at the head, neck or hose should be fixed promptly because it can also lead to weld defects.When you disconnect the torch, seal the coolant hoses with the plug supplied so coolant does not spill. Before any maintenance, isolate the power source and shut off the gas.