ISO 18797-1:2016 PDF

Petroleum, petrochemical and natural gas industries — External corrosion protection of risers by coatings and linings — Part 1: Elastomeric coating systems-polychloroprene or EPDM

Название (английский):

ISO 18797-1:2016

Petroleum, petrochemical and natural gas industries — External corrosion protection of risers by coatings and linings — Part 1: Elastomeric coating systems-polychloroprene or EPDM

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 29
Дата публикации:: 19 августа 2016 г.
Издание:: ISO IS 18797 edition 1 version 1
ICS:: 75.180.10

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Описание (английский):

ISO 18797-1:2016 specifies the minimum requirements for materials selection, surface preparation, application, inspection, testing, qualification and acceptance criteria of external coating for steel risers pipes used in the splash zone, their field joints and clamps/guides, using an elastomeric protective coating based on polychloroprene, EPDM or equivalent. This is applicable for new construction and repair of applied pipes before installation. Maintenance requirements and field repairs are covered in ISO 18797-2. ISO 18797-1:2016 also specifies the requirements for transportation, handling and storage of riser pipes before and after surface preparation and coating application.

Технические детали

Технический комитет: ISO/TC 67 - Materials, equipment and offshore structures for petroleum, petrochemical and natural gas industries
SKU: ISO 18797-1:2016

Abstract

Overview

ISO 18797-1:2016 provides minimum technical requirements for the external corrosion protection of risers in the petroleum, petrochemical and natural gas industries using elastomeric coating systems based on polychloroprene, EPDM or equivalent. The standard covers materials selection, surface preparation, application, inspection, testing, qualification and acceptance criteria for coated steel riser pipes used in the splash zone, including field joints and clamps/guides. It applies to new construction and pre-installation repairs; in-service maintenance and field repairs are addressed in ISO 18797-2.

Key topics and technical requirements

Materials and handling
- Minimum requirements for elastomeric coating materials (polychloroprene, EPDM or equivalents)
- Packaging, transportation, storage and handling of pipes and coating materials before/after surface preparation
Surface preparation
- Removal of contaminants and pipe imperfections
- Abrasive blast cleaning as a core preparatory method
Coating application
- Priming and application methods for blast-cleaned surfaces
- Vulcanization and manual application for clamps, guides, bolt holes and flanges
- Procedures for coating of field joints and pre-installation repairs
Inspection and testing
- Visual inspection, holiday detection, thickness measurement, adhesion (bond) testing, hardness testing
- Elastomer-specific tests: tensile, tear, elongation, compression set, abrasion, ozone resistance, specific gravity, cathodic disbondment, thermal conductivity and vulcanization characteristics
- Ultrasonic and sound testing for defect detection
Qualification, documentation and quality
- Qualification of application and inspection personnel
- Test reports, batch certificates and acceptance/rejection criteria
- Requirements for handling and stacking coated pipes

Practical applications and users

ISO 18797-1 is intended for organizations and professionals involved in offshore and nearshore riser installation and fabrication:

Corrosion and materials engineers specifying riser protection systems
Coating manufacturers and suppliers of polychloroprene/EPDM systems
Offshore fabricators and pipe coating contractors performing pre-installation application
QA/QC and inspection teams performing coating verification and acceptance
Asset owners and operators defining procurement and inspection criteria for risers in the splash zone

This standard supports reliability and asset protection by reducing external corrosion risks to risers exposed to cyclic wet/dry splash-zone conditions.

Related standards

ISO 18797-2 (maintenance and field repairs)
Referenced test standards such as ISO 34, ISO 37, ISO 48, ISO 813/ISO 814, ISO 815 and ISO 1431-1 for elastomer property testing
Developed under ISO/TC 67 (materials, equipment and offshore structures)

Keywords: external corrosion protection, risers, elastomeric coating, polychloroprene, EPDM, splash zone, riser pipes, coating application, surface preparation, inspection and testing.

Overview

Key topics and technical requirements

Materials and handling
- Minimum requirements for elastomeric coating materials (polychloroprene, EPDM or equivalents)
- Packaging, transportation, storage and handling of pipes and coating materials before/after surface preparation
Surface preparation
- Removal of contaminants and pipe imperfections
- Abrasive blast cleaning as a core preparatory method
Coating application
- Priming and application methods for blast-cleaned surfaces
- Vulcanization and manual application for clamps, guides, bolt holes and flanges
- Procedures for coating of field joints and pre-installation repairs
Inspection and testing
- Visual inspection, holiday detection, thickness measurement, adhesion (bond) testing, hardness testing
- Elastomer-specific tests: tensile, tear, elongation, compression set, abrasion, ozone resistance, specific gravity, cathodic disbondment, thermal conductivity and vulcanization characteristics
- Ultrasonic and sound testing for defect detection
Qualification, documentation and quality
- Qualification of application and inspection personnel
- Test reports, batch certificates and acceptance/rejection criteria
- Requirements for handling and stacking coated pipes

Practical applications and users

ISO 18797-1 is intended for organizations and professionals involved in offshore and nearshore riser installation and fabrication:

Corrosion and materials engineers specifying riser protection systems
Coating manufacturers and suppliers of polychloroprene/EPDM systems
Offshore fabricators and pipe coating contractors performing pre-installation application
QA/QC and inspection teams performing coating verification and acceptance
Asset owners and operators defining procurement and inspection criteria for risers in the splash zone

This standard supports reliability and asset protection by reducing external corrosion risks to risers exposed to cyclic wet/dry splash-zone conditions.

Related standards

ISO 18797-2 (maintenance and field repairs)
Referenced test standards such as ISO 34, ISO 37, ISO 48, ISO 813/ISO 814, ISO 815 and ISO 1431-1 for elastomer property testing
Developed under ISO/TC 67 (materials, equipment and offshore structures)

Keywords: external corrosion protection, risers, elastomeric coating, polychloroprene, EPDM, splash zone, riser pipes, coating application, surface preparation, inspection and testing.

ISO 18797-1:2016 PDF

Технические детали

Abstract

Overview

Key topics and technical requirements

Practical applications and users

Related standards

Похожие стандарты

Abstract

Overview

Key topics and technical requirements

Practical applications and users

Related standards

Похожие стандарты

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