Rapid Ref : SP024057

Kemppi Zeta Helmet Work Lights
SP024057

Name: Kemppi Zeta Helmet Work Lights
SKU: SP024057
Price: 57.39 GBP

£57.39 EX VAT

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Zeta Fresh Air W201X w/ PFU PAPR Parts FAQs

Spares for a powered air welding helmet system: how to pick the right part, what wears, and how to keep the system working as intended.

What do the spark arrestor, pre-filter and particle filter each do?

On many powered welding respirators the air passes through a stack of layers before it reaches the wearer. A spark arrestor or filter cover usually sits at the front to stop hot particles reaching the filter media. A pre-filter usually catches coarse debris so the main filter does not clog as quickly. The particle filter is the part that removes fine fume and dust.

The exact layout and which parts are fitted depend on the maker, so follow your manual for the order and for how each layer is fitted. Never run the unit with a layer left out unless the manual says that is allowed.

Can I use a particle filter against gases or vapours?

No. A particle filter only removes solid and liquid particles such as welding fume and dust. It does not protect against gases or vapours, and a gas or vapour filter alone does not protect against particles. HSE guidance says never to use a particle-only filter against gas or vapour.

If your work may expose you to gases, for example from certain coatings, cleaning solvents or shielding gases in a confined space, the right filter type and whether a powered filter unit is suitable at all should come from your risk assessment and the manufacturer, not from guesswork. Check what the filter markings say it protects against before you order a replacement.

How do I check the airflow before I start welding?

Make an airflow check part of every pre-use check. HSE guidance says to check the fan is giving enough airflow before use, to confirm hoses are connected properly and to make sure battery-powered equipment is fully charged. Most makers describe a specific test, often using a flow indicator or by briefly covering the outlet to trigger the warning, so follow the method in your own manual.

If the unit shows low flow, a blocked or loaded filter, a loose hose or a weak battery are the usual places to look. Do not start work until the unit passes.

What should I do if the fan stops or the low airflow alarm sounds?

Treat it as a stop signal. HSE guidance says never to keep working if the fan stops or the airflow rate drops, and to leave the work area immediately. Once you are out of the fume, look for the cause: a clogged or damaged filter, a kinked or disconnected hose, or a flat battery are the usual suspects.

Only return to work when the system is giving the airflow the manufacturer specifies. If you cannot find a simple fix, withdraw the unit from use and have it checked by a competent person rather than carrying on with it.

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