Pneumatic fitting CV series

screw-inTnickel-plated brass

for non-aggressive to slightly aggressive air, gases, liquids and oils in a non-aggressive environment, e.g. in food industry Characteristics, special features • easy and fast to install • compact dimensions • extensive range • many combination possibilities Basic material Brass CW617N (CuZn40Pb2) Chemical nickel-plating • Nickel: 88 - 89,5 % • Phosphorus: 10,5 - 12 % • Melting point: ca. +880°C • Degree of hardness: 450/500 Vickers • Thickness of the layer: Generally: ca. 7 - 8 µm Exception: valve spindles ca. 2 - 3 µm Leack rate with helium 10-8 mbar • l/s (when professionally assembed; see installation instructions and tubes) Vacuum Up to 10-4 mbar, higher values are possible Stainless steel tubes to use Seamless stainless steel precision tubes (to DIN EN 10216-5/EN ISO 1127) with clean smooth surface. Tolerance of outside diameter of ± 0,1 mm. Other tubes to use Tubes of plastic and seamless copper tubes (esp. EN 12449/1057) with clean smooth surface. Tolerance of outside diameter ± 0,1 mm. Further materials on demand.