heavy-duty tubing PAN-R-12X2,2-SI standard O.D. tubing, for high pressures up to 20 bar, can withstand high thermal and mechanical loads. Outside diameter=12 mm, Bending radius relevant for flow rate=46 mm, Inside diameter=7,6 mm, Min. bending radius=30 mm, Tubing characteristics=Suitable for energy chains in applications with high cycle rates