Work and live more safely with us
Manufacturer of explosive gas, toxic gas and oxygen detection systems
Product groups
Division of the offer into functional groups
Gas detectors
Devices designed to detect the presence of dangerous gas concentrations
Control units
Control units for gas detectors and other components of gas detection systems
Shut-off valves
Devices for fast and efficient cut-off of gas supply to gas installations
Warning devices
Devices for visual and acoustic signalling of alarm states
Power supplies
Power supply units for components of gas detection systems
Accessories
Gas sensor modules, housings, covers and other accessories
Over three years of standard quality warranty!
The highest quality is a priority for us. All devices manufactured by GAZEX produced after January 1, 2021 receive a new, free, over 3-year quality warranty (not applicable to devices covered by OGG+). Check the new warranty conditions »
System solutions
Proposed technical solutions used in gas detection
Active Gas Installation Safety System
Signalling and gas shut-off device
Digital Gas Detection System
Basic system signaling the exceeding of two alarm thresholds
Digital Gas Detection System
Distributed gas detection system in which components communicate in 
Support
Warranty and post-warranty repairs of equipment, calibration of detectors, installation of equipment and wiring, maintenance and periodic inspections of gas detection systems, commissioning of systems installed by customers.
Request serviceFill out the order form
Repair or calibration
Have your equipment repaired or your gas detectors calibrated at a service center or through shipping (door-to-door or by your own courier)
Calibration through replacement
Have your gas detectors calibrated while maintaining uninterrupted operation of your gas detection system
Read more »
Read more »
On-site service
Have your facility's gas detection system inspected, calibrated, commissioned, installed or upgraded
Design of gas detection systems
Auxiliary materials for the design of gas detection systems
Block diagrams
Block diagrams of sample, most commonly used gas detection systems in DWG and PDF format
CAD libraries
CAD libraries in DWG format for easy preparation of drawings and wiring diagrams
Design data
Supporting materials containing detailed information useful in the design of gas detection systems
New products
The latest products added to the offer
Visual and acoustic warning devices ST-3s
Visual and acoustic warning devices for visual and acoustic signalling of alarm conditions
Optical (infra-red), threshold sensor modules offered through the calibration by replacement service MS-nR/N-WpW
Electronic components of threshold detectors equipped with an optical gas sensor
Optical (infra-red), measuring sensor modules offered through the calibration by replacement service MS-PnR/N-WpW
Electronic components of measuring detectors, equipped with an optical gas sensor
Connection interface CB-ST
Interface for connecting ST-3s column beacon with contact outputs of control modules
DK-nn
Household detectors of methane (CH4), propane-butane (LPG), carbon monoxide (CO/Chad) or refrigerants
Test gas cylinders GC
Aluminium, disposable test gas cylinders for the GTS gas test kit
Webinars, seminars, conferences, trade shows
Events where you can get information on current product offerings, expand your knowledge and get help in solving unusual problems
/ May 2025
Trade show
Ptak Warsaw Expo
Al. Katowicka 62, 05-830 Nadarzyn
Trade show
Ptak Warsaw Expo
Al. Katowicka 62, 05-830 Nadarzyn
Conference
Hotel Radisson Blue
Plac Rodła 10, 70-419 Szczecin
/ September 2025
Trade show
Ptak Warsaw Expo
Al. Katowicka 62, 05-830 Nadarzyn
Trade show
Targi Bielskie
al. Armii Krajowej 220, 43-316 Bielsko-Biała
/ October 2025