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ISO 2531:2009PublishedDuctile iron pipes, fittings, accessories and their joints for water applicationsISO 17484-1:2014PublishedPlastics piping systems — Multilayer pipe systems for indoor gas installations with a maximum operating pressure up to and including 5 bar (500 kPa) — Part 1: Specifications for systemsISO 17484-2:2009PublishedPlastics piping systems — Multilayer pipe systems for indoor gas installations — Part 2: Code of praticeISO/TR 19480:2005PublishedPolyethylene pipes and fittings for the supply of gaseous fuels or water — Training and assessment of fusion operatorsISO 23555-3:2024PublishedGas pressure safety and control devices for use in gas transmission, distribution and installations for inlet pressures up to and including 10 MPa — Part 3: Safety shut-off devicesISO 23555-1:2022PublishedGas pressure safety and control devices for use in gas transmission, distribution and installations for inlet pressures up to and including 10 MPa — Part 1: General requirementsISO 23555-2:2022PublishedGas pressure safety and control devices for use in gas transmission, distribution and installations for inlet pressures up to and including 10 MPa — Part 2: Gas pressure regulatorISO 559:1977WithdrawnWelded or seamless steel tubes for water, sewage and gasISO 2531:1998WithdrawnDuctile iron pipes, fittings, accessories and their joints for water or gas applicationsISO 6447:1983WithdrawnRubber seals — Joint rings used for gas supply pipes and fittings — Specification for materialISO 17484-1:2006WithdrawnPlastics piping systems — Multilayer pipe systems for indoor gas installations with a maximum operating pressure up to and including 5 bar (500 kPa) — Part 1: Specifications for systems