What is BS EN 12186 - Functional requirements for Gas pressure regulating stations for transmission and distribution about?
The objective of BS EN 12186 is to ensure the safe operation of Gas pressure regulating stations for transmission and distribution.
BS EN 12186 contains the relevant functional requirements for gas pressure regulating stations, which form part of gas transmission or distribution systems. It is applicable to the design, materials, construction, testing, operation and maintenance of gas pressure regulating stations.
The stations covered by BS EN 12186 have a maximum upstream operating pressure which does not exceed 100 bar. For higher maximum upstream operating pressures BS EN 12186 should be used as a guideline.
If the inlet pipework of the station is a service line and the maximum upstream operating pressure does not exceed 16 bar and the design flow rate is equal to or less than 200 m3/h under normal conditions, EN 12279 applies.
Basic system requirements for gas pressure regulating stations are contained in BS EN 12186.
Note 1: Requirements for individual components (valves, regulators, safety devices, pipes, etc.) or installation of the components are contained in the appropriate European Standards.
Note 2: The requirements in BS EN 12186 do not apply to the design and construction of auxiliary facilities such as sampling, calorimetering, odorization systems and density measuring. These facilities are covered by the appropriate European Standards, where existing, or other relevant standards.
Note 3: BS EN 12186 does not apply to gas pressure regulating stations commissioned prior to the publication of this standard.
Note 4: The requirements of BS EN 12186 are based on good gas engineering practice under conditions normally encountered in the gas industry. Requirements for unusual conditions cannot be specifically provided for, nor are all engineering and construction details prescribed.
The requirements in BS EN 12186 are based on the physical and chemical data of gaseous fuels – including non-conventional gases – in accordance with Table 1 of EN 437:2003+A1:2009 for first and second family gases. Additional requirements in the case of gaseous fuels heavier than air and/or sour gases are not covered by BS EN 12186.
Who is BS EN 12186 - Functional requirements for Gas pressure regulating stations for transmission and distribution for?
BS EN 12186 on functional requirements for Gas pressure regulating stations for transmission and distribution is useful for:
- Gas industry
- Gas transmission and distribution companies
- Gas pressure regulating stations
- Safety authorities
- Environmental impact assessing bodies
- Quality and management systems
Why should you use BS EN 12186 - Functional requirements for Gas pressure regulating stations for transmission and distribution?
The gas infrastructure is complex and the importance on safety of its construction and use has led to the development of very detailed codes of practice and operating manuals across world.
BS EN 12186 provides guidance on design, materials, construction, testing, operation and maintenance of gas pressure regulating stations, to ensure safe operation of Gas pressure regulating stations for transmission and distribution.
Adherence to BS EN 12186 allows you to construct gas pressure regulating equipment so that the correct functioning of the equipment is not impaired by corrosion, due to environmental influences.
Gas pressure regulating stations if designed and installed according to BS EN 12186, can result in correct pressure setting and leakage-proof stations.
What’s changed since the last update?
BS EN 12186:2014 supersedes EN 12186:2000. BS EN 12186:2014 includes some technical changes with respect to EN 12186:2000. These include:
- The requirements related to explosion protection have been reworded taking into account the requirements of Directive 1999/92/EC
- Throughout the standard many recommendations have been changed to requirements
- The relation of the stations according to EN 12186 to the European Pressure Equipment Directive 97/23/EC is explained
- The sub-terms in the definition of the term "component" have been re-defined. As a consequence, several requirements in the document have been adjusted to the new terms.
- The application of a quality and management system to the whole lifetime of the gas pressure regulating station has been made mandatory. A Reference to EN 16348, CEN/TC 15399 or the ISO 9000 series shall be made. Decommissioning and disposal has been added as 4th phase of the live of a gas pressure regulating station
