Heavy-duty tubing PAN-R-6X1,1-SI standard O.D. tubing, for high pressures up to 20 bar, can withstand high thermal and mechanical loads. Outside diameter=6 mm, Bending radius relevant for flow rate=21 mm, Inside diameter=3,8 mm, Min. bending radius=16 mm, Tubing characteristics=Suitable for energy chains in applications with high cycle rates