Air and Gas Tightness
For highest safety requirements with tested protection classes and individual planning.

Gas tightness and safety expertise
Airtight Doors and Gates from BUCHELE – protected against critical leakage and ingress
Our gas-tight solutions protect sensitive rooms against the escape or ingress of hazardous gases – for example, in research laboratories, decontamination zones, or industrial plants. Maximum tightness combined with additional protective functions such as pressure resistance or fire protection.
- Tested in accordance to DIN EN 1026
- Can be combined with fire, smoke, sound, and explosion protection
- Flush-mounted, aesthetic design also available in stainless steel or special colors
- For doors, gates, airlocks, cleanroom and test benches
Our portfolio of doors and gates for air and gas tightness
Product overview
| Product | Airtight | Special features |
|---|---|---|
| Doors | Grades 2–4 | Pressure-tight against overpressure and underpressure |
| Gates | Grades 2–4 | Pressure-tight against overpressure and underpressure |
You're planning? We provide solutions.
For more information and technical documentation, please visit our Download Center
Invisible dangers safely under control
Why airtightness is crucial today
Whether toxic, flammable, or corrosive, many gases require controlled room closures. BUCHELE systems offer reliable tightness combined with high functionality – suitable for clean rooms, laboratory areas, air locks, or test benches.
Used where any leak would have consequences
- Research and development (e.g., chemistry, pharmaceuticals)
- Test benches with gas atmosphere
- Air locks and decontamination areas
- Ex zones with risk of gas leakage


Certified Security and Technology
Tested tightness – documented and traceable
BUCHELE products undergo leak tests in accordance with relevant standards – including air leakage rate, pressure behavior, and long-term stability.
- Tightness in accordance with DIN EN 1026
- Can be combined with escape door systems EN 179 and EN 1125
We help with planning & tendering
Request technical documentation or bid documents now and get expert advice directly from our specialists!