Talk:Hagmann valve

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	This article was accepted on 15 August 2007 by reviewer JetLover (talk · contribs).

Untitled

Actually I do think that the traditional trombone rotary valve turns the air flow by 180 degrees... it turns 90 degrees on the way into the valve from the slide, but then 180 on the other end from the extended tubing back into the bell section. Ofiachain (talk) 18:57, 27 January 2013 (UTC)[reply]

Production

In a YouTube video posted in August 2018, René Hagmann claims (at 1m 44s) to have shipped "nearly 20,000 units world-wide to this day" but we probably need a better source. — Jon (talk) 21:22, 20 November 2024 (UTC)[reply]