BS EN 1359:2017 Gas meters. Diaphragm gas meters

BS EN 1359:2017

Gas meters. Diaphragm gas meters

Status : Current   Published : August 2017



What is this standard about?

This standard helps ensure that a widely used type of diaphragm gas meter is fit for purpose and meets the requirements of the EU’s Manufacturing Instruments Directive (MID). It specifies the requirements and tests for the construction, performance, safety and production of class 1,5 diaphragm gas meters. It applies to meters with co-axial single pipe or two pipe connections which are used to measure volumes of fuel gases within the limits of test gases of the 1st, 2nd and 3rd families described in BS EN 437.

Who is this standard for?

Anyone involved in designing, building, testing, procuring or installing diaphragm gas meters.

Why should you use this standard?

  • It brings requirements and tests for this type of gas meter up-to-date
  • It enables compliance with MID throughout a meter’s lifetime

What’s changed since the last update?

The main changes from the previous edition include:

  • Conformity with the MID 2014/32/EU regarding declared errors of the same sign and testing Qmin at the minimum and maximum declared gas temperatures- 
  • Corrosion protection testing restructured
  • Endurance testing for residential meters revised to reflect better the in-service life- 
  • Provision for meters with electronic indexes and integrated valves, and requirements for additional functionalities for smart meters as given in BS EN 16314:2013. Gas meters. Additional functionalities
  • Adhesion testing of labels
  • Annex B has been restructured to give additional requirements for meters provided with a built-in gas temperature conversion device

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