material: PVC Size: 1.5'',2'',2.5'', 3'', 4'',5'', 6'',8'' Working Pressure: 2bar,3bar,4bar,6bar,8bar. 1. Hi- ... elasticity under the low-temperature water. 5. Anti-hi pressure, corrosion resistance and ageing resistance. 6. Applicable operation temperature 10-60. 7 ...