Plain gauges
Gas pressure vessels
Transportable
Plug gauges
Threads
Mathematical calculations
Ring gauges
Inspection
Dimensions
Thread gauges
Outlet connections
Thread pitch
Verification
Thread forms
Gas cylinders
Marking
Taper threads
Diameter
Gas valves
Link: BS EN ISO 11363-2:2017 Gas cylinders. 17E and 25E taper threads for connection of valves to gas cylinders Inspection gauges
Source: BSI Standards
