DS DS 2199.3
DS DS 21993 1984-JAN-01 PEM and PEH ppelnes - Couplng for connecton PEMPEH ppes to steel ppes or ppes of other metallc materals for gas dstrbuton - Requrements and testng Replaced by DS DSSO 10838-2 DS DSSO 10838-3
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This standard lays down requirements for couplings for connection between PEM/PEH pipes and pipes or components of other materials for gas distribution systems according to DS 2131.2, intended for a maximum permissible service pressure of 0.4 MPa (4 bar).