... or polyester yarn3. Size: 1", 1.2", 1.5", 2", 2.5", 3", 4", 5", 6", 8"4. Working Pressure: 6bar, 8bar, 10bar ... . Function: fire fighting, agricultural irrigation, construction drainage, ships, etc.8. Features: high pressure resistance, durable, anti-aging, corrosion resistance, ... Pressure (Bar/Psi)Burst Pressure (Bar/Psi)(inch)(mm)PVC61''256bar/100Psi12bar/310Psi1.2''301.5''382''502.5''653''804'' ...