What is BS 341-1 - Threads for connection of valves to gas cylinders about?
This British Standard is the first in a four-part series on gas container valves. BS 341-1 specifies requirements for valve inlet connection threads for cylinder valves, gas cylinders and other pressure receptacles and which are not specified in other international or European standards.
Who is BS 341-1 - Threads for connection of valves to gas cylinders for?
BS 341-1 can be used by:
- Manufacturers of valves and cylinders for pressurized gas
- Owners and users of cylinders with GB spec fittings, especially anyone involved in replacement, maintenance, inspection and testing
- Test laboratories and notified bodies
- Regulators
What does BS 341-1 - Threads for connection of valves to gas cylinders cover?
BS 341-1 provides requirements for and information on the range of British thread forms that are available for the valve inlet connection to the cylinder, as well as their associated inspection gauges.
In particular, BS 341-1 specifies:
- Valve inlet connection threads
- Neck threads of gas cylinders and other pressure receptacles
- Thread gauges
- Other historic features that continue to be used for cylinder valves
Why should you use BS 341-1 - Threads for connection of valves to gas cylinders?
BS 341-1 has many benefits. These include:
- It contains critical, up-to-date, safety information and specification details of components that are not found elsewhere
- Its use can facilitate trade, increase trust, and strengthen risk management
BS 341-1 contributes to UN Sustainable Development Goal 3 on ensuring healthy lives and promoting well-being for all at all ages.
What’s new about BS 341-1 - Threads for connection of valves to gas cylinders?
This is a full revision of BS 341-1:1991. The scope of BS 341-1:2022 was updated to align with international standards. In addition:
- The document now concentrates on specific UK valve to cylinder connection threads
- The opportunity was taken to include the British 17T thread which is used in the LPG industry
- The update has removed any duplication and contradiction with other standards
- The update now provides a comprehensive list of useful valve threads