ISO 11363-1:2010
Gas cylinders — 17E and 25E taper threads for connection of valves to gas cylinders — Part 1: Specifications
ISO 11363-1:2010 specifies dimensions and tolerances for taper screw threads of nominal diameter 17,4 mm (designated 17E) and 25,8 mm (designated 25E) used for the connection of valves to gas cylinders.
It does not cover the connection requirements for:
- mechanical strength;
- gas tightness;
- capability of repeated assembly and dismounting operations.
Gauge inspection is covered by ISO 11363-2.
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Scope
Terms and definitions
General
Terms relating to cones
Terms relating to diameter
Terms relating to reference
Requirements
Thread handedness
Taper
Thread profile
Pitch, P
Dimensions
Thread end finish
Marking
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Scope
Terms and definitions
General
Terms relating to cones
Terms relating to diameter
Terms relating to reference
Requirements
Thread handedness
Taper
Thread profile
Pitch, P
Dimensions
Thread end finish
Marking