HDPE pipe for water supply as per ISO4427 HDPE pipes for water supplyApplication1. City and town water supply.2. ... steel pipes.5. Argillaceous silt, mud transportation.6. Garden green pipe networks.Characteristics1. Chemical stabilityPolyethylene doesn't erode to acid, alkali ... : PE80, PE100Pressure: PN4, PN6, PN8, PN10, PN12.5, PN16ISO9001, ISO14000 hdpe pipe for water supply