Evolution Air is the Böhler Welding PAPR system as a complete kit, without helmet. The belt-mounted unit draws in air, cleans it in two P R SL filters and feeds it through the hose to the helmet: 180-240 l/min in 6 levels, class TH3 to EN 12941. The 7800 mAh battery lasts up to 14 h at the lowest level.
Technical specifications
| Catalogue number | 77008 |
|---|---|
| Brand | Böhler Welding |
| Model | Evolution Air, complete kit without helmet |
| Air flow | 180-240 l/min (P R SL), 180-200 l/min (A1B1E1 P R SL), 6 levels |
| Protection class (EN 12941) | TH3 P R SL, TH2-TH3 A1B1E1 P R SL |
| Filter | P R SL, optional A1B1E1 P R SL |
| Battery capacity | Li-Ion 7.4 V, 7800 mAh |
| Battery operating time | up to 14 h (lowest level), 11 h (highest) |
| Charging time | 8-9 h (universal charger) |
| Alarm | visual, audible and vibrating below 170 l/min |
| Weight | 1120 g with battery and filters |
| Noise level | 65 dB |
| Operating temperature | 0 to +40 °C |
| Pack quantity | 1 kit |
| Standards | EN 12941 |
Who it is for
- Owners of Böhler Welding Air series helmets who want to add an air supply.
- MIG/MAG, TIG, MMA welding and grinding in workshops where fume and dust stay in the breathing zone; with A1B1E1 P R SL filters the unit also stops gases and vapours.
- Workshops with different helmets: Evolution Air is certified with the welding, grinding and laser helmets listed below.
The manual excludes: enclosed, unventilated tanks, pipes and ducts, air with less than 19.5 % oxygen, explosive atmospheres and strong wind.
What makes the Evolution Air different
- Air flow of 180-240 l/min with P R SL filters in 6 levels; the +/- buttons change the level only after being held for 2 s.
- A microprocessor regulates the blower so that the air flow does not drop as the filters clog and the battery weakens.
- Visual, audible and vibrating alarm at air flow below 170 l/min and a visual alarm for a low battery.
- Li-Ion battery 7.4 V, 7800 mAh: up to 14 h at the lowest level and 11 h at the highest.
- Optional A1B1E1 P R SL gas filters with activated carbon: 180-200 l/min, class TH2 or TH3 depending on the helmet.
- The shoulder harness moves part of the unit weight (1120 g with battery and filters) from the belt to the shoulders.
- The two main filters screw in by hand, no tools needed; the pre-filter is a disc under the filter cover.
In the box
- Evolution Air motor unit with fitted P R SL particle filters, pre-filters, spark arrestors and filter covers
- Heavy-duty Li-Ion battery 7800 mAh
- Universal charger
- Flexible air hose
- Comfort hip belt
- Shoulder harness
- Airflow tester
- Instruction manual
Compatible with
Helmets certified with Evolution Air (head sizes 535 to 600 mm) and the protection class of each combination:
- Böhler Welding Guardian 50M Air welding helmet for PAPR powered air systems, Böhler Welding Guardian 50FM Air flip-up welding helmet for PAPR powered air systems, Böhler Welding Guardian 62 Air welding helmet for PAPR powered air systems and Böhler Welding Guardian 62F Air flip-up welding helmet for PAPR powered air systems: class TH3 with P R SL filters, TH2 with A1B1E1 P R SL filters
- Böhler Welding Evolution Vision 65F Air flip-up welding helmet for PAPR powered air systems and Böhler Welding Evolution Vision 65FM Air auto-shade welding helmet for PAPR powered air systems: TH3 with both filter types
- Böhler Welding Evolution V80 Air welding helmet for the Evolution Air PAPR system and Böhler Welding Evolution V80M Air auto-shade welding helmet for the Evolution Air PAPR system: TH3 with both filter types
- Böhler Welding Big Vision Air grinding visor for PAPR powered air systems: grinding visor, TH3 with both filter types
- Böhler Welding Laser Guard Air laser and hybrid welding helmet for PAPR powered air systems: helmet for laser and arc welding, TH3 with both filter types
Consumables and spare parts
- Böhler Welding P R SL particle filter Evolution Air (4 pcs): main filter, works no longer than 2 weeks or 90 h (whichever is longer)
- Böhler Welding A1B1E1 P R SL gas filter Evolution Air (2 pcs): gas filters fitted instead of P R SL, replaced as a pair, no later than 6 months after opening
- Pre-filters Böhler Welding pre-filter Evolution Air (20 pcs), Böhler Welding pre-filter Evolution Air (40 pcs) and the odour Böhler Welding odour pre-filter Evolution Air (6 pcs) extend the life of the main filter
- Böhler Welding spark arrestor Evolution Air (2 pcs) and Böhler Welding filter cover Evolution Air (2 pcs): spark arrestors and filter covers
- Batteries: Böhler Welding heavy-duty battery 7800 mAh Evolution Air, Guardian Air with the Böhler Welding universal PAPR charger Evolution Air, Guardian Air, or the quick-charge Böhler Welding heavy-duty quick-charge battery 7800 mAh Evolution Air, Guardian Air, which needs the Böhler Welding PAPR quick charger for the quick-charge battery Evolution Air, Guardian Air
- Hoses Böhler Welding FLEX flexible air hose up to 180 cm Evolution Air, Guardian Air and Böhler Welding standard air hose 100 cm Evolution Air, Guardian Air, Supplied Air, covers Böhler Welding air hose cover up to 120 cm Evolution Air, Guardian Air and Böhler Welding air hose cover up to 180 cm Evolution Air, Guardian Air, O-rings Böhler Welding air hose O-ring PAPR (20 pcs)
- Belts Böhler Welding PAPR hip belt Evolution Air, Guardian Air and Böhler Welding leather hip belt PAPR Evolution Air, Guardian Air, extension Böhler Welding hip belt extension 265 mm PAPR, Supplied Air, harness Böhler Welding PAPR shoulder harness Evolution Air, Guardian Air, Supplied Air, airflow tester Böhler Welding ball rotameter, airflow tester for PAPR and Supplied Air
- Face seals, chosen to match the helmet: Böhler Welding face seal Guardian 50M Air, 50FM Air, 62 Air, 62F Air, Big Vision Air for Guardian Air and Big Vision Air helmets, Böhler Welding face seal Evolution Vision 65F Air, 65FM Air for Evolution Vision 65 Air, Böhler Welding face seal Evolution V80 Air, V80M Air for Evolution V80 Air
- Replacement motor unit: Böhler Welding Evolution Air motor unit, PAPR blower without filters
To start, add: Böhler Welding P R SL particle filter Evolution Air (4 pcs), Böhler Welding pre-filter Evolution Air (20 pcs) and Böhler Welding heavy-duty battery 7800 mAh Evolution Air, Guardian Air.
Further blower units and kits with helmet are in the Powered air systems category.
Standards and certificates
EN 12941:1998+A1:2003+A2:2008, class TH3 P R SL and TH2-TH3 A1B1E1 P R SL, nominal protection factor 500. CE and UKCA marked. Manufacturer warranty: 24 months on the blower unit, 6 months on the battery. Spawlab is the authorised distributor and service partner of Böhler Welding in Poland. Inspections, repairs and parts: Spawlab service in Krotoszyn.
Documents
- Evolution Air instruction manual (PDF, multilingual)
- Evolution Air P R SL filter instructions (PDF, multilingual)
- A1B1E1 P R SL gas filter instructions (PDF, multilingual)
- Evolution Air and Evolution V80 Air Kit fact sheet, 2026 (PDF, English)
- PPE and accessories catalogue 2023/24 (PDF, English)
Frequently asked questions
Does Evolution Air fit my helmet?
It fits the Böhler Welding Air series helmets with face seal listed above. A standard helmet cannot be connected, and the filters are not fitted on the helmet but in the unit.
Evolution Air or Guardian Air?
The Böhler Welding Guardian Air PAPR blower unit, complete kit with filter is lighter (870 g instead of 1120 g) and is enough when you protect yourself against particles and aerosols. With Evolution Air you pay for up to 240 l/min instead of 220 l/min, a 7800 mAh battery for 14 h instead of 5200 mAh for 8 h, a vibrating alarm and the option of A1B1E1 P R SL gas filters. Both units are class TH3 to EN 12941.
How do I prepare the battery for work?
Before first use, run the system until the battery is flat and charge it for 16 h. After that the universal charger charges it in 8 to 9 h and switches to trickle mode. For two-shift work add a second battery Böhler Welding heavy-duty battery 7800 mAh Evolution Air, Guardian Air.




