Polyurethane tube Features The polyurethane tube, featuring excellent flexibility, helps compact piping requiring small bending radius. Tubes come in a variety of colors so that pipings can be identified by color or can be completed in the same colors as the devices. Specification Model Designation(Example) (1)Model code (2)Tube dia.(O.D. / I.D.) Fluid admitted Service pressure range Working vacuum Service temperature range UB (1) 0640 (2) Compressed air 0~100psi (0~0.7MPa) -29.5in. Hg (-100Kpa) -5~140F (-15~60C) (No freezing) 20 (3) B (4) (3)Tube length (4)Tube color *UB50m comes in back only ! Detailed Safety Instructions Before using the PISCO device, be sure to read the "Safety Instructions", "Common Safety Instructions for Products Listed in This Manual" on pages 23~24 and "Common Safety Instructions for Tubes" on page 551. UB Polyurethane tube Tube O.D. Tube I.D. Standard length Min.bend radius Burst pressure Mass B R O YB Y G Bu CB C W (mm) (mm) (m) (mm) (Mpa) (g/m) Black Red Orange Ocher Yellow Green Blue Light blue Transparent Milk white 20*50*100 8 2.94 7 UB 0320 3 2 2.94 9 UB 0425(5/32) 4 2.5 20*50*100 10 20*50*100 15 2.94 19 6 4 UB 0640 20*50*100 20 2.94 36 UB 0850(5/16) 8 5 20*50*100 27 2.94 54 UB 1065 10 6.5 20*50*100 35 2.94 74 UB 1280 12 8 20 60 2.94 128 UB 1611(5/8) 16 11 20*100 8 2.94 7 UB 1/8 3.18 2 13 20*100 15 2.94 4.76 3 UB 3/16 20*100 15 2.94 22 UB 1/4 6.35 4.15 20*100 27 2.94 53 UB 3/8 9.53 6 35 2.94 85 UB 1/2 12.7 8.5 20*100 Model 552