Simply connect. Fill safely. Evacuate efficiently.
Whether CO₂ cylinders, breathing air tanks or refrigerant circuits – filling and evacuating pressure vessels is a daily process in many industries. Safety, speed and ergonomics are important here. With WEH® Quick Connectors, connections can be made in seconds, without screws and with maximum tightness – for a smooth process in production, service and maintenance.
Versatile solutions for a wide range of applications
WEH® offers an extensive portfolio of quick connectors that have been specially developed for filling and evacuating gases and liquids. Whether for CO₂ fire extinguishers, breathing air cylinders or refrigeration systems – our connectors adapt to various connection standards and operating conditions and ensure safe and efficient processes.

Connect in seconds – no screwing required
Simple attachment or clamping with a lever saves time and reduces strain on operating personnel.

Ergonomic design
Robust design and user-friendly handling minimize fatigue and increase productivity.

Safe & pressure-tight connections
Integrated safety mechanisms prevent locking under pressure and protect against media leakage.

Reduced media loss during evacuation
Flow-optimized design and integrated shut-off technology minimize the escape of media.

Adaptable to connection standards
Whether female or male thread, pin index or residual pressure valve – WEH® connectors are compatible with almost all national standards.
Professionals master these applications with WEH® Quick Connectors
WEH® Quick Connectors for filling and evacuation are used wherever gas or liquid containers need to be connected quickly, safely and efficiently – from individual containers to large systems:
- CO₂ fire extinguishers and gas cylinders in fire protection technology
- Breathing air cylinders for fire departments, diving centers and industrial customers
- Refrigerant circuits in stationary and mobile air conditioning systems
- Hydrogen tube trailers and supply systems in energy technology
These applications can be found in the gas industry, medical technology, the automotive sector, refrigeration and air conditioning technology as well as respiratory protection and breathing air technology.
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