Swiss Air PAPR Loose Fit

The Optrel Swiss Air PAPR is a loose-fit powered air purifying respirator designed to deliver filtered breathing air for industrial users such as welders, fabricators, and workers exposed to dust, smoke, fumes, and airborne contaminants.

It uses a belt-mounted blower and filter unit that continuously supplies clean air into a ventilated half-mask, creating a positive-pressure environment that helps prevent contaminated air from entering the breathing zone. 

Unlike traditional tight-seal respirators, the Swiss Air uses a flame-retardant ventilated half-mask that covers the mouth and nose but does not require a tight facial seal, allowing compatibility with facial hair and reducing discomfort during extended wear.

Key Features

• TH3-certified PAPR respiratory protection (EN 12941)
• Filtration efficiency up to 99.97% of airborne particles
• Loose-fit ventilated half-mask (no full face seal required)
• Positive-pressure airflow system for breathing assistance
• Adjustable airflow levels (approx. 100–130 L/min)
• Automatic airflow calibration system
• Altitude and temperature compensation
• Integrated control panel for airflow, filter status, and battery monitoring
• Audible and visual alarms (low battery, clogged filter, low airflow)
• Rechargeable lithium-ion battery with up to ~14 hours runtime (low setting)
• Lightweight belt/backpack blower system
• Modular system compatible with welding helmets or standalone use

System Components

Typical kit includes:

• Blower / filter unit
• TH3 particle filter + pre-filter
• Spark protection screen
• Ventilated half-mask
• Breathing hose system
• Battery pack
• Harness / belt system
• Charger
• Backpack carry system
• User instructions

Specifications (Technical Summary)

• Protection class: TH3 (EN 12941)
• Airflow: 100 / 115 / 130 L/min (adjustable levels)
• Battery runtime: up to ~14 hours (depending on setting and filter condition)
• Noise level: up to ~70 dB(A)
• Weight: ~1.2 kg (including filter and battery)
• Charging time: ~6 hours
• Material: PA66 reinforced housing, technical textiles for harness system

How It Protects You

The Swiss Air system works by maintaining constant positive pressure inside the mask. This means filtered air is always flowing outward, which helps prevent contaminated air from entering even if the seal is not tight.

Protection focuses on:

• Welding fumes
• Grinding dust
• Metal particulates
• Smoke and aerosols
• Fine industrial airborne contaminants

Applications

• Welding (MIG, TIG, stick, plasma)
• Metal fabrication
• Grinding and cutting
• Industrial maintenance
• Construction and demolition
• General dust/fume exposure environments

Design Advantages

The Swiss Air system is built around comfort and mobility rather than rigid sealing systems:

• No tight face seal required (works with facial hair)
• Reduced breathing resistance due to powered airflow
• Lightweight head/face load compared to full helmet PAPRs
• Centralized controls for airflow and system status
• Long-duration battery for full-shift use

Important Limitations

Like all PAPR systems, performance depends heavily on:

• Proper filter condition
• Adequate battery charge
• Correct assembly and airflow setting
• Use within certified environments

It is not intended for IDLH environments (immediately dangerous to life or health) or oxygen-deficient atmospheres.