1. Out Diameter 11mm to 63mm 2. Top quality & Factory price 3. Certificate: WATER MARK(only one in China ), AENOR, EME, ISO Standard of production:ASTM F1335(B),ASTM F1281/1282(O), UNE EN 53961 EX , UNE EN 53962,AS/NZ 4176:2007(PART1-8), GB/T Product: specificationSIZE(MM)ID(MM)OD(MM)THICKNESS(MM)WORKING PRESSURE(MPA)TEMPERATURE(°C)11*2.01172.01.00-40°C~110°C14*2.014102.01.00-40°C~110°C15*2. ...