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ISO 11300-3:2026
International Standard
Piping systems for rehabilitation of underground drains, sewers and water supply networks — Part 3: Unplasticized poly (vinyl chloride) (PVC-U) material
ISO 11300-1:2026
International Standard
Piping systems for rehabilitation of underground drains, sewers and water supply networks — Part 1: Polyethylene (PE) material
ISO 16611:2026
International Standard
Plastics piping systems for drainage and sewerage without pressure — Non-circular pipes and joints made of glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resins (UP) — Dimensions, requirements and tests
GSO ISO 4633:2026
ISO 4633:2023
Gulf Standard
Rubber seals — Joint rings for water supply, drainage and sewerage pipelines — Specification for materials
ISO 13272:2026
International Standard
Plastics piping systems for non-pressure underground drains and sewers — Unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP), polypropylene with mineral modifiers (PP-MD) and polyethylene (PE) — Specifications for manholes and inspection chambers in traffic areas and underground installations
GSO 1433:2025
Gulf Standard
Sanitary appliances -methods of test for flushing water tanks
GSO BS 4660:2024
BS 4660:2022
Gulf Standard
Thermoplastics ancillary fittings of nominal sizes 110 and 160 for belowground gravity drainage and sewerage. Specification
GSO CEN/TS 1329-2:2024
CEN/TS 1329-2:2021
Gulf Standard
Plastics piping systems for soil and waste discharge (low and high temperature) within the building structure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 2: Guidance for the assessment of conformity
ISO 13265:2024
International Standard
Thermoplastics piping systems for non-pressure underground drainage and sewerage — Joints for buried non-pressure applications — Test method for the long-term sealing performance of joints with elastomeric seals by estimating the sealing pressure
GSO ISO 23856:2024
ISO 23856:2021
Gulf Standard
Plastics piping systems for pressure and non-pressure water supply, drainage or sewerage — Glass-reinforced thermosetting plastics (GRP) systems based on unsaturated polyester (UP) resin
GSO BS 4514:2024
BS 4514:2001
Gulf Standard
Unplasticized PVC soil and ventilating pipes of 82.4 mm minimum mean outside diameter, and fittings and accessories of 82.4 mm and of other sizes. Specification
OS GSO ISO 23856:2024
ISO 23856:2021
Omani Standard
Plastics piping systems for pressure and non-pressure water supply, drainage or sewerage — Glass-reinforced thermosetting plastics (GRP) systems based on unsaturated polyester (UP) resin
