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Pack of 25 (Part Number: 220011) 100A Hypertherm Nozzles.
Straight answers to the questions people ask when buying plasma torch consumables in multi-packs.
In most plasma torches the nozzle and electrode wear fastest, because they create and constrict the arc. A drop in cut quality is usually the first sign. The shield mainly protects and cools the other parts from molten spatter, and the swirl ring and retaining caps usually wear more slowly.The order depends on the work, the number of pierces and the air quality, so keep notes of how long yours last. Check the swirl ring and caps for cracks, burns and blocked holes when you change the nozzle and electrode.
Watch the cut. A sudden or marked decline, such as more dross, a slanted edge or hard starting, is the cue to inspect the parts. Replace a nozzle that has gouges or an orifice that is no longer round. Replace an electrode when the pit in its centre has reached the maker's depth limit, which varies with the current rating, so use the figure in your torch manual.Do not run parts until they fail, as a worn electrode can damage the nozzle and the workpiece.
Yes, this is the usual advice. They wear together, and mismatched old and new parts tend to cut inconsistently. Maker guidance and trade guides say that when the electrode shows wear that needs replacing, the nozzle should be replaced with it.Packs of the individual parts make this easy to do every time. Look at the shield and swirl ring when you change them. A shield can often be cleaned of spatter and reused, and should be replaced if it is physically damaged.
Usually yes. Makers supply drag-cutting consumables for handheld work, designed so the shield can rest on the workpiece. Mechanised consumables are made for a machine-mounted torch, and some systems also include unshielded or gouging sets for particular jobs.Part numbers for handheld and mechanised cutting differ even on the same power source, and one is not a substitute for the other. Check the consumable chart for the way you use your torch.
