ISO 18225:2012
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The latest, up-to-date edition.
Plastics piping systems — Multilayer piping systems for outdoor gas installations — Specifications for systems
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Language(s)
English, Russian
Published date
27-11-2012
ISO 18225:2012 specifies general and performance requirements for multilayer pipe systems based on pipes made from thermoplastics and intended to be used for gas supply outdoors.
It gives requirements for the design of pipe systems consisting of multilayer pipes based on thermoplastics and for which at least 60 % of the wall thickness is of a polymeric material. The polymeric material used for stress design layers and all inner layers must be polyethylene (PE) and/or crosslinked polyethylene (PE-X), in accordance with Annex A. The outer layers of metal multilayer pipes must be of either PE or PE-X.
NOTE For the purposes of ISO 18225:2012, PE-RT is considered as PE, while PE-X and adhesive layers are considered as thermoplastics materials.
ISO 18225:2012 is applicable to systems intended to be operated at temperatures ranging from −20 °C to 40 °C. It is applicable to pipes in these systems having a nominal diameter up to and including 630 mm, and to the supply of gaseous fuels of categories D (natural gas) and E (LPG vapour and natural gas or LPG vapour) (see ISO 13623).
| Committee |
ISO/TC 138/SC 4
|
| DevelopmentNote |
Supersedes ISO/DIS 18225. (12/2012)
|
| DocumentType |
Standard
|
| Pages |
17
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| SANS 18225:2009(R2022) | Identical |
| NEN ISO 18225 : 2012 | Identical |
| BS ISO 18225:2012 | Identical |
| SANS 18225 : 1ED 2009 | Identical |
| 12/30256669 DC : 0 | BS ISO 4437-2 - PLASTICS PIPING SYSTEMS FOR THE SUPPLY OF GASEOUS FUELS - POLYETHYLENE (PE) - PART 2: PIPES |
| EN 1555-2:2010 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 2: Pipes |
| ISO 17484-1:2014 | Plastics 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 |
| UNE-EN 1555-2:2011 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 2: Pipes |
| BS EN 1555-2:2010 | Plastics piping systems for the supply of gaseous fuels. Polyethylene (PE) Pipes |
| BS ISO 4437-2:2014 | Plastics piping systems for the supply of gaseous fuels. Polyethylene (PE) Pipes |
| DIN EN 1555-2:2010-12 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 2: Pipes |
| ISO 17885:2015 | Plastics piping systems Mechanical fittings for pressure piping systems Specifications |
| I.S. EN 1555-2:2010 | PLASTICS PIPING SYSTEMS FOR THE SUPPLY OF GASEOUS FUELS - POLYETHYLENE (PE) - PART 2: PIPES |
| UNI EN 1555-2 : 2011 | PLASTICS PIPING SYSTEMS FOR THE SUPPLY OF GASEOUS FUELS - POLYETHYLENE (PE) - PART 2: PIPES |
| ISO 4437-2:2014 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) — Part 2: Pipes |
| 08/30191147 DC : 0 | BS EN 1555-2 - PLASTICS PIPING SYSTEMS FOR THE SUPPLY OF GASEOUS FUELS - POLYETHYLENE (PE) - PART 2: PIPES |
| BS ISO 17484-1:2014 | Plastics piping systems. Multilayer pipe systems for indoor gas installations with a maximum operating pressure up to and including 5 bar (500 kPa) Specifications for systems |
| BS ISO 17885:2015 | Plastics piping systems. Mechanical fittings for pressure piping systems. Specifications |
| 11/30237753 DC : 0 | BS ISO 17484-1 - PLASTICS 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 |
| ISO 10146:1997 | Crosslinked polyethylene (PE-X) pipes Effect of time and temperature on the expected strength |
| ISO 6447:1983 | Rubber seals Joint rings used for gas supply pipes and fittings Specification for material |
| ISO 8085-3:2001 | Polyethylene fittings for use with polyethylene pipes for the supply of gaseous fuels Metric series Specifications Part 3: Electrofusion fittings |
| ISO 14531-1:2002 | Plastics pipes and fittings — Crosslinked polyethylene (PE-X) pipe systems for the conveyance of gaseous fuels — Metric series — Specifications — Part 1: Pipes |
| ISO 13968:2008 | Plastics piping and ducting systems — Thermoplastics pipes — Determination of ring flexibility |
| ISO 161-1:1996 | Thermoplastics pipes for the conveyance of fluids Nominal outside diameters and nominal pressures Part 1: Metric series |
| ISO 10838-1:2000 | Mechanical fittings for polyethylene piping systems for the supply of gaseous fuels Part 1: Metal fittings for pipes of nominal outside diameter less than or equal to 63 mm |
| ISO 9080:2012 | Plastics piping and ducting systems — Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation |
| ISO 17456:2006 | Plastics piping systems Multilayer pipes Determination of long-term strength |
| ISO 3:1973 | Preferred numbers Series of preferred numbers |
| ISO/TS 10839:2000 | Polyethylene pipes and fittings for the supply of gaseous fuels — Code of practice for design, handling and installation |
| ISO 12162:2009 | Thermoplastics materials for pipes and fittings for pressure applications Classification, designation and design coefficient |
| ISO 3126:2005 | Plastics piping systems Plastics components Determination of dimensions |
| ISO 11922-1:1997 | Thermoplastics pipes for the conveyance of fluids — Dimensions and tolerances — Part 1: Metric series |
| ISO 7-1:1994 | Pipe threads where pressure-tight joints are made on the threads Part 1: Dimensions, tolerances and designation |
| ISO 16871:2003 | Plastics piping and ducting systems — Plastics pipes and fittings — Method for exposure to direct (natural) weathering |
| ISO 24033:2009 | Polyethylene of raised temperature resistance (PE-RT) pipes — Effect of time and temperature on the expected strength |
| ISO 14531-3:2010 | Plastics pipes and fittings Crosslinked polyethylene (PE-X) pipe systems for the conveyance of gaseous fuels Metric series Specifications Part 3: Fittings for mechanical jointing (including PE-X/metal transitions) |
| ISO 10508:2006 | Plastics piping systems for hot and cold water installations Guidance for classification and design |
| ISO/TR 18124:2006 | Plastics piping systems Multilayer M (metal) pipes Test method for strength of the weld line in the metal layer and bonding between layers by use of a cone |
| ISO 11357-6:2008 | Plastics Differential scanning calorimetry (DSC) Part 6: Determination of oxidation induction time (isothermal OIT) and oxidation induction temperature (dynamic OIT) |
| ISO 14531-2:2004 | Plastics pipes and fittings — Crosslinked polyethylene (PE-X) pipe systems for the conveyance of gaseous fuels — Metric series — Specifications — Part 2: Fittings for heat-fusion jointing |
| ISO 497:1973 | Guide to the choice of series of preferred numbers and of series containing more rounded values of preferred numbers |
| ISO 13480:1997 | Polyethylene pipes Resistance to slow crack growth Cone test method |
| ISO 10147:2011 | Pipes and fittings made of crosslinked polyethylene (PE-X) Estimation of the degree of crosslinking by determination of the gel content |
| ISO 17454:2006 | Plastics piping systems Multilayer pipes Test method for the adhesion of the different layers using a pulling rig |
| EN 12117:1997 | Plastics piping systems - Fittings, valves and ancillaries - Determination of gaseous flow rate/pressure drop relationships |
| ISO 9969:2016 | Thermoplastics pipes Determination of ring stiffness |
| EN 573-3:2013 | Aluminium and aluminium alloys - Chemical composition and form of wrought products - Part 3: Chemical composition and form of products |
| ISO 6957:1988 | Copper alloys Ammonia test for stress corrosion resistance |
| ISO 4437:2007 | Buried polyethylene (PE) pipes for the supply of gaseous fuels Metric series Specifications |
| ISO 13623:2017 | Petroleum and natural gas industries — Pipeline transportation systems |
| ISO 3503:2015 | Plastics piping systems Mechanical joints between fittings and pressure pipes Test method for leaktightness under internal pressure of assemblies subjected to bending |
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