This European Standard, specifies definitions, dimensions and tolerances of a taper screw thread of nominal diameter 25.8 mm (Designated 25E), for the connection of valves to medical and industrial gas cylinders. Gauge inspection is covered by EN 629-2. This standard does not cover the connection requirements for: - mechanical strength; - gas tightness; - capability of repeated assembly and dismounting operations.
WITHDRAWN
EN 629-1:1996
99.60
Withdrawal effective
May 15, 2010
WITHDRAWN
EN ISO 11363-1:2010