Standards
[CURRENT]
NF E29-683
NF E29-683
Gas cylinders. Taper screw thread for valve stem and cylinder neck assembly. Nominal diameter 34 - Taper 8.736 per cent (5 degrees C), Pitch 2 SI. Gauge erquirements
Title (German)
GASFLASCHEN. GEWINDE FOER EINSCHRAUBSTUTZEN UND FLASCHENHALS. NENNMASS 34. KEGLE 8.736 PRO ZENT (5 GRADE C). GEWINDETEILUNG 2 SI. KONTROLLANFORDERUNGEN