Outside diameter 4 mm Bending radius relevant for flow rate 16 mm Inside diameter 2.6 mm Min. bending radius 8 mm Tubing characteristics Suitable for energy chains in applications with high cycle rates Tubing test conditions Suitable for energy chains: > 5 million cycles to FN 942021 Temperature dependent operating pressure -0.95 ... 10 bar Authorisation TV Certificate issuing department B 013277 0506 00 Operating medium Compressed air in accordance with ISO8573-1:2010 [7:-:-] Water as per manufacturer's declaration at www.festo.com Material fire test UL94 HB Food-safe See Supplementary material information Ambient temperature -35 ... 60 C Product weight according to length 0.0085 kg/m Pneumatic connection For push-in connector outside diameter 4 mm for barbed connector internal diameter 3 mm with nut Colour blue Shore hardness D 52 +/-3 Materials note Free of copper and PTFE Conforms to RoHS Material tubing TPE-U(PU)