ISO 25780:2011 PDF

Plastics piping systems for pressure and non-pressure water supply, irrigation, drainage or sewerage — Glass-reinforced thermosetting plastics (GRP) systems based on unsaturated polyester (UP) resin — Pipes with flexible joints intended to be installed using jacking techniques

Название (английский):

ISO 25780:2011

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 51
Дата публикации:: 13 мая 2011 г.
Издание:: ISO IS 25780 edition 1 version 1
ICS:: 23.040.20

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Описание (английский):

ISO 25780:2011 specifies the properties of the piping system and its components made from glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resin (UP) for water supply, irrigation, drainage or sewerage systems with or without pressure. ISO 25780:2011 is applicable to GRP-UP piping systems, with flexible joints, intended to be installed using jacking techniques. It specifies the characteristics of pipes made from GRP-UP, with or without aggregates or fillers and also specifies the test parameters for the test methods referred to in ISO 25780:2011. ISO 25780:2011 is applicable to pipes and joints with a size range from DN100 to DN4000 which are intended to be used for the conveyance of water or sewage at temperatures up to 50ºC, with or without pressure. ISO 25780:2011 covers requirements to improve the design of the joint and specifies type test performance requirements for the joints as a function of the declared nominal pressure rating of the pipeline system and the required joint deflection capability of the system.

Технические детали

Технический комитет: ISO/TC 138/SC 6 - Reinforced plastics pipes and fittings for all applications
SKU: ISO 25780:2011

Abstract

Overview

ISO 25780:2011 specifies requirements for glass‑reinforced thermosetting plastics (GRP) systems based on unsaturated polyester (UP) resin used in pressure and non‑pressure water supply, irrigation, drainage or sewerage. The standard applies to GRP‑UP pipes with flexible joints intended for installation using jacking (trenchless) techniques, covering pipes from DN100 to DN4000 for conveying water or sewage at temperatures up to 50 °C. It defines material, geometric and performance characteristics, plus the test parameters for the referenced test methods.

Key topics and technical requirements

Scope and classification: Applicable to GRP‑UP piping systems (with or without aggregates/fillers) intended for jacking installation; minimum nominal stiffness requirement (pipes intended to have at least SN 20000).
Pipe properties and construction: Requirements for wall construction, dimensions (OD, ID, mean diameter, laying length), and material specifications for GRP‑UP materials and rubber seals.
Mechanical tests: Procedures and test parameters for longitudinal compressive strength, initial longitudinal compressive modulus, ring stiffness, resistance to strain corrosion and long‑term properties under wet conditions.
Jacking performance: Definition and calculation of design and permissible jacking forces (Fj, Fperm,p), ultimate longitudinal load and material safety coefficients; joint deflection capability and joint performance requirements as a function of declared nominal pressure rating.
Joint requirements: Design, interchangeability and type‑test performance for flexible joints, including leaktightness and deflection tests referenced to other GRP standards.
Normative annexes: Annex A/B/C provide methods for determining longitudinal compressive properties (prism and spool test‑pieces) and a procedure for calculating permissible jacking force.

Applications and users

ISO 25780:2011 is practical for:

Manufacturers of GRP‑UP pipes and flexible joints specifying production tolerances, marking and type testing.
Design engineers and specifiers selecting pipe systems for water supply, irrigation, drainage and sewerage projects requiring trenchless/jacking installation.
Trenchless contractors and site engineers who need to assess permissible jacking forces, joint deflection and installation limits.
Testing laboratories and certification bodies conducting mechanical and joint performance tests per the standard.
Utilities and infrastructure owners evaluating GRP pipe system suitability for buried pipelines and jacked installations.

Related standards

ISO 25780 references and works alongside other GRP standards such as ISO 10466, ISO 10468, ISO 10471, ISO 8639, ISO 10639 and testing and materials standards cited within the normative references to ensure coherent specification and testing of GRP‑UP piping systems.

Keywords: ISO 25780, GRP‑UP, glass‑reinforced thermosetting plastics, unsaturated polyester, jacking techniques, flexible joints, trenchless installation, DN100‑DN4000, water supply, drainage, sewerage.

Overview

Key topics and technical requirements

Scope and classification: Applicable to GRP‑UP piping systems (with or without aggregates/fillers) intended for jacking installation; minimum nominal stiffness requirement (pipes intended to have at least SN 20000).
Pipe properties and construction: Requirements for wall construction, dimensions (OD, ID, mean diameter, laying length), and material specifications for GRP‑UP materials and rubber seals.
Mechanical tests: Procedures and test parameters for longitudinal compressive strength, initial longitudinal compressive modulus, ring stiffness, resistance to strain corrosion and long‑term properties under wet conditions.
Jacking performance: Definition and calculation of design and permissible jacking forces (Fj, Fperm,p), ultimate longitudinal load and material safety coefficients; joint deflection capability and joint performance requirements as a function of declared nominal pressure rating.
Joint requirements: Design, interchangeability and type‑test performance for flexible joints, including leaktightness and deflection tests referenced to other GRP standards.
Normative annexes: Annex A/B/C provide methods for determining longitudinal compressive properties (prism and spool test‑pieces) and a procedure for calculating permissible jacking force.

Applications and users

ISO 25780:2011 is practical for:

Manufacturers of GRP‑UP pipes and flexible joints specifying production tolerances, marking and type testing.
Design engineers and specifiers selecting pipe systems for water supply, irrigation, drainage and sewerage projects requiring trenchless/jacking installation.
Trenchless contractors and site engineers who need to assess permissible jacking forces, joint deflection and installation limits.
Testing laboratories and certification bodies conducting mechanical and joint performance tests per the standard.
Utilities and infrastructure owners evaluating GRP pipe system suitability for buried pipelines and jacked installations.

ISO 25780:2011 PDF

Технические детали

Abstract

Overview

Key topics and technical requirements

Applications and users

Related standards

Похожие стандарты

Abstract

Overview

Key topics and technical requirements

Applications and users

Related standards

Похожие стандарты

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