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unknown thread of this tap

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Tony Pratt 129/01/2022 12:27:32
2319 forum posts
13 photos

Yes I'm thinking thin walled components, pipe or possibly optical?? Definitely special!

Tony

Phil Whitley29/01/2022 12:33:18
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1533 forum posts
147 photos

Why not ask Dormer?

https://www.dormerpramet.com/en-gb/pages/default.aspx?country=gb

vic newey31/01/2022 09:39:40
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347 forum posts
173 photos

I asked Dormer and got a reply but they have no knowledge of the tap, as they have been taken over it's possible that info from the past has been lost.

 

However I posted it on a Facebook machine forum and got lots of replies, today someone has posted this photo of a throttlefree banjo fitting which has the letters NSVT so my tap must belong to something like that

throttle tap.jpg

Edited By vic newey on 31/01/2022 09:40:29

Tony Pratt 131/01/2022 09:48:21
2319 forum posts
13 photos

Interesting, I'm sure Dormer has been taken over many times since the tap was made but worth a try. BTW I now know what a 'throttle free banjo' is.smiley The hunt continues.

Tony

vic newey31/01/2022 14:05:19
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347 forum posts
173 photos

Lots of info re throttle free banjo's used in hydraulics but non with fine threads like this one, also no mention of NSVT either

SillyOldDuffer31/01/2022 15:03:24
10668 forum posts
2415 photos

Posted by vic newey on 31/01/2022 09:39:40:

...

throttle tap.jpg

I think the NSVT nomenclature is just a coincidence. The threads are described as BSP Parallel / Metric Parallel, not NS.

Dave

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