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Discuss Where to buy a 1inch butterfly valve in the Valves & Taps area at UKPlumbersForums.co.uk.

  1. ben brinnand

    ben brinnand New Member

    Hi All.
    I'm trying to source a 1" butterfly valve? I can only find ball valves.
    (if your interested why)o_O
    Its to make a throw line launcher, I'm a tree surgeon and we use a small line and a throw bag to pull up our main climbing rope into a tree.
    For bigger trees it takes time to hit the right branch, this thing can launch the sack 30m accurately :D:D:D

    sack launch.jpg
     
  2. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

  3. Millsy 82

    Millsy 82 Plumber GSR Top Contributor!!

    To me a butterfly valve isn't the one pictured. That is just a 1/4 turn lever valve and you would get them from most merchants.
     
  4. ben brinnand

    ben brinnand New Member

  5. ben brinnand

    ben brinnand New Member

    Nope inside its a butterfly, not a ball
     
  6. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    One in the pic is a lever valve

    There both exactly the same just a different Handle

    100% the one in the vid is a ball valve
     
    • Agree Agree x 1
  7. YorkshireDave

    YorkshireDave Plumber Top Contributor!!

    Hi Ben

    From what I've seen on YouTube, the valve is basically the 'trigger', is that correct?
     
  8. ben brinnand

    ben brinnand New Member

    Hi all
    this one shown here is a 1.5 butterfly valve but the 1" (attached to the launcher on the table) is better because the release torque is lower.

    sack launch1.jpg
     
  9. ben brinnand

    ben brinnand New Member

    Hi yes. But the air out of a ball valve escapes on one side pushing past the sack and not launching it properly.
     
  10. YorkshireDave

    YorkshireDave Plumber Top Contributor!!

    Hmm. Okay. Get that. So what that means is that speed of operation is vital and this is why the guy on the video uses a smaller valve with lower operating torque hence increased speed and air distribution.

    I see the issue. To me, the easiest way around this problem is a 12v solenoid valve. An electrically operated valve that opens in approx 0.2 secs (far faster than you'll ever be able to turn something). Using one would also mean much better accuracy as both hands can be used to aim as in a rifle.

    The better quality valve you buy, the more pressure it will stand and the faster it will operate. Seeing as time is money in your business, I'd test it out with a cheaper version then upgrade to something more robust, more reliable. The actual 'trigger' then becomes a simple push to make button.
     
    • Like Like x 1
  11. Darren Jackson

    Darren Jackson Plumber GSR

  12. ben brinnand

    ben brinnand New Member

    Ok cool I'll roll with that:) Where do I buy a 12v solenoid valve? ;)
     
  13. snowhead

    snowhead Plumber

    • Like Like x 1
  14. YorkshireDave

    YorkshireDave Plumber Top Contributor!!

    Google is your friend... What air pressure are you using?
     
  15. ben brinnand

    ben brinnand New Member

    155 psi:)
     
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