... -1.6Mpa 5)SDR 26 , 21, 17, 13.6, 11 HDPE Socket Fusionpe Fitting-- Coupling 1)Material : PE80&PE1002)Size:20mm ... .6Mpa5)Connection: Butt fusion joint6)Certificate:ISO2001:2008, ISO14001:2004 HDPE Socket Fusionpe Fitting Features:1) Light weight2) Resistant to chemical ... project cost7) Up to 50 year’s durability The other fittings: PE 45 Degree Elbow PE 90 Degree Elbow PE TeePE ...