Rigid Aluminium Pipes,Ball & Butterfly Valves, Pipe Connectors, Flexible Hoses, Quick Drops,Tools & Fixing Accessories TECHNICAL SPECIFICATION: Available sizes20 mm, 25 mm, 40 mm, 50 mm, 63 mm, 80 mm, 100 mm, 150 mm, 200 mm Suitable fluids compressed air (oil-free, wet or lubricated), vacuum, inert gases (Argon, Nitrogen, Helium), Contact us for a complete list of suitable fluids.Maximum working pressure 15 bar* from -20C to +80C vacuum level: 1 mbar (absolute pressure). *maximum working pressure for 200 mm is 13 bar Grab Ring Clamping Style Connection DN 20-50mm metal clamshell union connector,quick install & re-assembly, grab ring with surface contact, no shrinking on inner diameter, surface contact, active concentric sealing,leak free, superior reliability & longevity,20 years lifespan. Lugged Ring Clamping Style Connection DN 63-200mm metal clamshell union connector,quick install & re-assembly, convex ring, no shrinking on inner diameter, surface contact, active concentric sealing,leak free, superior reliability & longevity,20 years lifespan. + Read More