Conex Compression

Conex Compression

Conex Compression

Conex Compression

Conex Compression fittings are manufactured from high quality brass materials which ensures a permanently tight and secure connection, without the use of special tooling or additional sealant.  These fittings are suitable for connecting a wide range of tubes, including copper tubes in accordance with EN 1057, carbon steel to EN 10305, stainless steel to EN 10312 and plastic pipes to BS EN 7291, EN 15875 and EN 15876.

Benefits summary

Multiple tube compatibility
Permanent, flame-free connection – no hot works permit required
Easy to use
Unique rib-nut design
Corrosion resistant
Component materials
Yellow brass
DZR resistant brass and red brass (gunmetal)


Drinking water
Sealed heating systems
Open vented heating systems
Solar thermal systems
Chilled water
Rainwater harvesting systems
‘Wet’ fire extinguishing tube systems
Compressed air
Industrial and processing water
Natural gas installations
Liquefied petroleum gas installations
Fuel oil supply systems

Operating parameters

Operating pressures of up to 25 bar at operating temperatures of up to 110°C (sizes 6mm to 54mm)
Operating parameters of 6 and 4 bar at operating temperatures of up to 65°C and 110°C respectively (sizes from 66.7mm to 108 mm)
Operating parameters of 1 bar at operating temperatures from -20°C - to +70°C
Compressed air:
Operating parameters of 10 bar at operating temperatures of up to 45°C

Approvals and certifications

BSI Kitemark UK
Bureau Veritas Marine
DNV Germany
DVGW Germany
KIWA Netherlands
KIWA SE Sweden
PCT Russia
PZH Poland
SVGW Switzerland
TYSK Ukraine


From 6mm to 108mm  


When professionally installed, used and maintained in accordance with Conex Compression installation instructions, Conex Universal Ltd. guarantees that Conex Compression fittings supplied by Conex Universal Ltd. will be free of material defects resulting from errors in manufacture, for twenty-five (25) years from the date of first purchase by an end user.  For full terms and conditions please refer to the Product Guarantee Statement


Fittings and Accessories