Thread size on disposable butane containers

[BazParticipant @baz89810]

I wish to make an adaptor to fit onto the disposable Butane or Butane / Propane mix Gas cannisters that are sold in the high street DIY shops. Could somebody please tell me what thread is used on these items, it seems to be about 7/16 diameter but I cannot measure the pitch.

[BazParticipant @baz89810]

[Neil WyattModerator @neilwyatt]

Oddly enough I had an email enquiring about this a few days ago. apparently it's a '7/16 NS thread' and it's known as a 'lindal valve' to EN417.

I can't find detail of the thread form, but taps are available, at least form the US (be prepared for a small shock).

**LINK**

Neil

[duncan webster 1Participant @duncanwebster1]

it is some weird non standard thing, precisely to stop you doing what you're trying to. However you can buy an adaptor, try ebay

[BazParticipant @baz89810]

Neil, thanks for the link. From the info I got from that site and by sacrificing a friends adaptor I can state with a fair degree of confidence that the thread is 7/16 x 28 tpi UNEF

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