... x Soc), sizes ranging from 20 to 63mm, approved by SAI, ISO. Features:Material: PolypropyleneSizes: 20 to 63 mmPressure Rating: 2 ... colors available upon requestConnection: socket fusion jointStandard: ISO 15874: 2003Certification: SAI, ISO9001, ISO14001, OHSAS18001Applications: cold or hot water supply, heating system ...