M/400 - Gas qualities

This European standard specifies gas quality characteristics, parameters and their limits, for gases classified as group H that are to be transmitted, injected into and from storages, distributed and utilized.
NOTE   For information on gas families and gas groups see EN 437.
This European standard does not cover gases conveyed on isolated networks.
For biomethane, additional requirements indicated in prEN 16723 1 apply.

This  draft  European  standard  specifies  characteristics  and  requirements  for  gases  entering  networks intended  for  conveyance  of  gases  of  group  H  of  the  second  family,  as  defined  by  EN 437,  and  is intended  to  be  applicable  at  cross  border  points  and  eventually  also  on  networks  and  infrastructure conveying such gases.
Specific requirements for biomethane are not included as they are given in prEN…. (CEN/TC 408)
NOTE:  It  is  recognised  that  some  specifications,  while  acceptable  in  the  general  case,  may lead  to  technical  or operational  problems  for  some  stakeholders.  Those  impacts  have  been  identified  in  the  standard  and  their mitigation should be agreed upon by the interested parties in agreement with the regulatory agency.

This European standard specifies gas quality characteristics, parameters and their limits, for gases classified as group H that are to be transmitted, injected into and from storages, distributed and utilized.
NOTE   For information on gas families and gas groups see EN 437.
This European standard does not cover gases conveyed on isolated networks.
For biomethane, additional requirements indicated in prEN 16723 1 apply.