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Inner lens for Kemppi SA 47 & XA 47 ADFs fitted to Beta e90A/90X and Delta +90 Helmets.
Spares and consumables for a powered-respirator welding helmet: what wears, how to tell, and how to work out the right replacement.
The parts that touch the wearer or the air path wear fastest: the face seal, head cover, neckband padding, straps, spark shield, pre-filter and particle filter. The battery also loses capacity with age and use.A routine check should look for missing, dirty, torn or distorted parts, damaged straps and a battery that no longer holds its charge. Anything damaged, dirty or incomplete should not be used until it is replaced. Wear rates depend on how often the helmet is used, the work being done and how it is cleaned, so use the manual's maintenance schedule and your own risk assessment.
A pre-filter sits in front of the main particle filter and catches the coarser dust, so the main filter lasts longer. A spark shield protects the filter and unit from hot spatter and sparks. Both are normally treated as consumables that are replaced more often than the main filter.Replace them when they are dirty, clogged, burnt or damaged, and always fit the type the maker specifies for your unit. Exact change points vary between makers, so check the manual. A burnt or holed spark shield should not be left in place.
No. A particle filter removes solid and liquid particles such as welding fume and dust, not gases or vapours. HSE guidance is clear that a particle filter should never be used to protect against gases or vapours, and gas-only filters should not be used against particles.If your risk assessment shows a gas or vapour hazard, you need a different, suitable filter type and a respirator approved for it, not a particle filter. Check the manual and ask the maker or your safety adviser before ordering, and never improvise by mixing parts.
Start with the data plate or label on the blower unit and helmet, then the manual's parts list, then any part number marked on the old part. Note the exact model description, not just the helmet style, because seals, covers and filters are often specific to one unit.Only fit parts the maker lists for your unit, since the respirator is approved as a complete assembly and HSE guidance says to change filters as instructed by the manufacturer. If a part looks similar but you cannot match the reference, check with the maker or our team before ordering.