ISO/TC 67/SC 6/WG 5 - Piping systems

This document provides a set of common supplementary requirements for the most frequently used materials in upstream oil and gas piping systems. This document is applicable to offshore and onshore production facilities, processing and gas liquefaction plants. The materials covered in this document are intended to be used in the following piping systems services: — category D, category M, normal and high pressure, according to ASME B31.3; — sour environments as defined in the ISO 15156 series. NOTE For the purposes of this document, ANSI/NACE MR0175 is equivalent to the ISO 15156 series, and ANSI/NACE MR0103 is equivalent to ISO 17945. This document does not provide guidelines for material selection. The selection of suitable materials for a specific service including any necessary additional material requirements remains the responsibility of the end user. This document does not cover requirements related to: — sulfide stress cracking (SSC) in corrosive petroleum refining environments included in ISO 17945; — non-metallic piping systems according to ASME B31.3 or the ISO 14692 series; — marine piping systems, e.g. ballasting piping system, covered by classification rules; — subsea production systems; — downhole equipment; — transportation pipeline systems, including flowlines, designed in accordance with a recognized pipeline design code. Common requirements related to manufacture, inspection and procurement of piping and valve parts are included in Annex A and Annex B, providing material datasheets and element datasheets, respectively. These material and element datasheets can be applied for applications other than piping systems, e.g. pressure vessels and pumps based upon assessment of the end user and conformance with the selected design code for the relevant equipment. This document is not intended to limit the use of alternative materials or grades within a referenced material standard. Where the use of alternative materials/grades are considered appropriate, the end user is responsible for specifying any additional requirements necessary to meet the design code or specification.

This document specifies requirements for the fabrication, installation, welding, inspection, examination and testing of new, metallic piping systems , within temperature range limits for the materials meeting the requirements of ASME B31.3, on fixed and floating offshore production facilities and onshore production, processing and gas liquefaction plants. For piping systems above pressure class 2500, the requirements of chapter IX of ASME B31.3 shall be complied with, in addition to the requirements stated in this standard. This document is applicable to all pressure retaining components and any non-pressure retaining component, such as a member of a pipe support, welded directly to a pressure retaining component. This document is not applicable to the following: — marine-related piping systems, e.g. ballasting piping systems, systems covered by classification societies; — metallic tubing used for subsea umbilical systems; NOTE 1 Reference can be made to ISO 13628-5 or API Spec 17E for welding and examination of these components. — piping systems with corrosion resistant cladding (either integrally clad or mechanically lined) or weld overlay, including buttering and associated dissimilar welds; NOTE 2 Reference can be made to DNV-RP-B204 for welding and examination of these systems. — refractory alloys [with exception of CP titanium Grade 1 (UNS R50250) or Grade 2 (UNS R50400)]; — non-metallic piping assemblies; — transportation pipeline systems, including flow-lines, designed in accordance with a recognized pipeline design code.

This document specifies detailed manufacturing requirements for circular steel and nickel alloy compact flanged connections and associated seal rings, for designated pressures and temperatures in class designations CL 150 (PN 20) to CL 1500 (PN 260) for nominal sizes from DN 15 (NPS ½) to DN 1200 (NPS 48), and for CL 2500 (PN 420) for nominal sizes from DN 15 (NPS ½) to DN 600 (NPS 24). NOTE NPS is expressed in accordance with ASME B36.10M and ASME B36.19M. This document is applicable to welding neck flanges, blind flanges, paddle spacers and spacer blinds (paddle blanks), valve/equipment integral flanges, orifice spacers, reducing threaded flanges and rigid interfaces for use in process piping for the petroleum, petrochemical and natural gas industries. This document is applicable within a temperature range from −196 °C to +250 °C. This document is not applicable for external pressure.

ISO 14692-3:2017 gives guidelines for the design of GRP piping systems. The requirements and recommendations apply to layout dimensions, hydraulic design, structural design, detailing, fire endurance, spread of fire and emissions and control of electrostatic discharge. This document is intended to be read in conjunction with ISO 14692‑1.

ISO 14692-4:2017 gives requirements and recommendations for the fabrication, installation, inspection and maintenance of GRP piping systems for use in oil and natural gas industry processing and utility service applications. The recommendations apply to delivery, inspection, handling, storage, installation, system pressure testing, maintenance and repair. It is intended to be read in conjunction with ISO 14692‑1.

ISO 14692-1:2017 defines the applications, pressure rating methodology, the classification of the products according to application, type of joint and resin matrix and the limitations to both the materials of construction and the dimensions. It also lists the terms, definitions and symbols used and provides guidance in the use and interpretation of ISO 14692-2, ISO 14692-3 and ISO 14692-4. ISO 14692 (all parts) is applicable to GRP piping systems that 1) utilize joints that are capable of restraining axial thrust from internal pressure, temperature change and fluid hydrodynamic forces and 2) have a trapezoidal shape for its design envelope. It is primarily intended for offshore applications on both fixed and floating topsides facilities, but it can also be used for the specification, manufacture, testing and installation of GRP piping systems in other similar applications found onshore, e.g. produced-water, firewater systems and general industrial use. For floating installations, reference is made to the design, construction and certification standards for the hull or vessel, since these can allow alternative codes and standards for GRP piping associated with marine and/or ballast systems. However, it is recommended that ISO 14692 (all parts) be used for such applications to the maximum degree attainable. ISO 14692 (all parts) can also be used as the general basis for specification of pipe used for pump caissons, stilling tubes, I-tubes, seawater lift risers and other similar items.

ISO 14692-2:2017 gives requirements for the qualification and manufacture of GRP piping and fittings in order to enable the purchase of GRP components with known and consistent properties from any source. It is applicable to qualification procedures, preferred dimensions, quality programmes, component marking and documentation. ISO 14692-2:2017 is intended to be read in conjunction with ISO 14692‑1.

1.1 This International Standard specifies the requirements for design and construction of piping for the petroleum and natural gas industries, including associated inspection and testing. 1.2 This International Standard is applicable to all piping within facilities engaged in the processing or handling of chemical, petroleum, natural gas or related products. EXAMPLE Petroleum refinery, loading terminal, natural gas processing plant (including liquefied natural gas facilities), offshore oil and gas production platforms, chemical plant, bulk plant, compounding plant, tank farm. 1.3 This International Standard is also applicable to packaged equipment piping which interconnects individual pieces or stages of equipment within a packaged equipment assembly for use within facilities engaged in the processing or handling of chemical, petroleum, natural gas or related products. 1.4 This International Standard is not applicable to transportation pipelines and associated plant. EXAMPLE Pipeline pump station, pipeline compressor station, pipeline tank farm, offshore platform risers up to and including pig launching facility.

ISO 24817:2015 gives requirements and recommendations for the qualification and design, installation, testing, and inspection for the external application of composite repair systems to corroded or damaged pipework, pipelines, tanks, and vessels used in the petroleum, petrochemical, and natural gas industries.

ISO 27509:2012 specifies detailed manufacturing requirements for circular steel and nickel alloy compact flanged connections and associated seal rings, for designated pressures and temperatures in class designations CL 150 (PN 20) to CL 1500 (PN 260) for nominal sizes from DN 15 (NPS ½) to DN 1200 (NPS 48), and for CL 2500 (PN 420) for nominal sizes from DN 15 (NPS ½) to DN 600 (NPS 24). ISO 27509:2012 is applicable to welding neck flanges, blind flanges, paddle spacers and spacer blinds (paddle blanks), valve/equipment integral flanges, orifice spacers, reducing threaded flanges and rigid interfaces for use in process piping for the petroleum, petrochemical and natural gas industries. ISO 27509:2012 is applicable within a temperature range from -196 °C to +250 °C. ISO 27509:2012 is not applicable for external pressure.

ISO 14692-1:2002 gives terms and definitions, describes the philosophy and provides guidance on the range of suitable applications, and defines limitations to the materials of construction for the specification, manufacture, testing and installation of glass-reinforced plastic (GRP) piping installations associated with offshore applications on both fixed and floating topsides facilities for oil and gas industry production and processing. It is intended to be used in conjunction with the other parts of ISO 14692. ISO 14692-1:2002 also describes the pressure terminology used in ISO 14692 (all parts).

ISO 14692-4:2002 gives requirements and recommendations for the fabrication, installation and operation of GRP piping systems for use in oil and natural gas industry processing and utility service applications. The recommendations apply to delivery, inspection, handling, storage, installation, system pressure testing, maintenance, repair and decommissioning. It is intended to be read in conjunction with ISO 14692-1, which includes an explanation of the pressure terminology used in ISO 1469-4:2002.

ISO 14692-2:2002 gives requirements for the qualification and manufacture of GRP piping and fittings in order to enable the purchase of GRP components with known and consistent properties from any source. It is applicable to qualification procedures, preferred dimensions, quality programmes, component marking and documentation. ISO 14692-2:2002 is intended to be read in conjunction with ISO 14692-1.

ISO 14692-3:2002 gives guidelines for the system design of GRP piping systems for use in oil and natural gas industry processing and utility service applications. The requirements and recommendations apply to layout dimensions, hydraulic design, structural design, detailing, fire endurance, spread of fire and emissions and control of electrostatic discharge. It is intended to be read in conjunction with ISO 14692-1, which includes an explanation of the pressure terminology used in ISO 14692-2:2002.