The airflow tester (ball rotameter) checks whether a Böhler Welding air unit delivers enough airflow. You insert it into the hose connector, and the ball shows whether the flow reaches the minimum level. It comes with the Evolution Air, Guardian Air and Supplied Air kits.
Technical specifications
| Catalogue number | 57184 |
|---|---|
| Brand | Böhler Welding |
| Compatible with | Evolution Air, Guardian Air, Supplied Air |
| Type | ball rotameter (airflow tester) |
| Fitting | inserted into the hose connector |
| Unit alarm | below 170 l/min |
| Pack quantity | 1 pc |
Who it is for
For Evolution Air, Guardian Air and Supplied Air users and for safety and service staff. The manuals require checking before every job that the airflow is sufficient.
Key features
- Ball rotameter: you read the result from the ball position.
- Measured at the hose connector, with the hose held vertically at eye level.
- The units sound an alarm when airflow drops below 170 l/min (manufacturer minimum design flow).
- Works with Evolution Air, Guardian Air and Supplied Air.
How to measure airflow with the airflow tester
Disconnect the hose from the unit, insert the tester into the hose connector and hold the hose vertically at eye level. Switch on the unit. Airflow is sufficient only if the ball reaches the minimum level. If it stays below, charge the battery or change the filter on a PAPR, or check the compressed air source or change the filter on Supplied Air.
Compatible with
The Evolution Air, Guardian Air and Supplied Air units and the kits built on them:
- Böhler Welding Evolution Air PAPR blower unit, complete kit with filters
- Böhler Welding Evolution Air motor unit, PAPR blower without filters
- Böhler Welding Guardian Air PAPR blower unit, complete kit with filter
- Böhler Welding Guardian Air motor unit with filter cover, PAPR blower without filters
- Böhler Welding Supplied Air compressed air regulator for air-fed helmets, complete kit
- Böhler Welding Guardian 62 Air Kit, welding helmet with Evolution Air PAPR
- Böhler Welding Guardian 62F Air Kit, flip-up welding helmet with Evolution Air PAPR
- Böhler Welding Guardian 50M Air Kit, welding helmet with Guardian Air PAPR
- Böhler Welding Guardian 50FM Air Kit, flip-up welding helmet with Guardian Air PAPR
- Böhler Welding Evolution Vision 65F Air Kit, flip-up welding helmet with Evolution Air PAPR
- Böhler Welding Evolution Vision 65FM Air Kit, auto-shade welding helmet with Evolution Air PAPR
- Böhler Welding Evolution V80 Air Kit, welding helmet with Evolution Air PAPR
- Böhler Welding Evolution V80M Air Kit, auto-shade welding helmet with Evolution Air PAPR
- Böhler Welding Big Vision Air Kit Guardian Air, grinding visor with Guardian Air PAPR
- Böhler Welding Big Vision Air Kit Evolution Air, grinding visor with Evolution Air PAPR
Consumables and spare parts
- Böhler Welding standard air hose 100 cm Evolution Air, Guardian Air, Supplied Air
- Böhler Welding FLEX flexible air hose up to 180 cm Evolution Air, Guardian Air
- Böhler Welding P R SL particle filter Evolution Air (4 pcs)
- Böhler Welding P R SL particle filter Guardian Air (4 pcs)
- Böhler Welding nuisance filter with sealing ring Supplied Air
All PAPR parts: Filters and powered air parts.
Documents
- Evolution Air instruction manual (PDF, multilingual)
- Guardian Air instruction manual (PDF, multilingual)
- Supplied Air instruction manual (PDF, multilingual)
- Supplied Air specification with spare parts (PDF, English)
- PPE & accessories catalogue 2023/24 (PDF, English)
Frequently asked questions
How often should I check the airflow?
Before every job: the Evolution Air, Guardian Air and Supplied Air manuals include the airflow test in the pre-use check.
The ball does not reach the minimum level. What next?
Charge the battery or change the filter (pre-filter first). On Supplied Air, check the compressed air source and the Böhler Welding nuisance filter with sealing ring Supplied Air.
Does it fit Supplied Air?
Yes, it comes with Supplied Air and is on its spare parts list.
