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Miniature Gate Valve

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Harry Wilkes	17/11/2014 15:42:37
1613 forum posts 72 photos	Hi to all, I know it's a long shot but I would like to replace a small globe valve (3/8 ME thread) with something that as a 'full bore' so does anyone have a drawing for a miniature gate valve or ball valve ? Cheers H
JasonB	17/11/2014 15:59:56
25215 forum posts 3105 photos 1 articles	Depends on how scale you need it to look but I would be tempted to use a small 8mm gas isolating valve. You could always machine off the threads and solder on some 3/8ME ones to suit your nuts and nipples. I have seen quite a few traction engines using the lever action plumbing valves on their water pipes again available for 8mm and 10mm pipe which you could just make a new olive for to suite your pipe J
Harry Wilkes	17/11/2014 21:11:28
1613 forum posts 72 photos	Thanks Jason that's given me food for thought
Paul Lousick	18/11/2014 08:50:44
2276 forum posts 801 photos	Hi Harry, Not sure of the application for your valve. Globe valves are normally used to control the volume of water, steam, air, etc. Full bore valves are not as good for this. If you need a full bore valve, why not use a plug valve (which is used on steam engine drains, blow down valve, water supply) or a ball valve. Paul.
fizzy	24/11/2014 18:51:39
1860 forum posts 121 photos	Ive used ball valves from screwfix for regulators and they work brilliantly (despite being told the contrary by numerous people who had never tried them). As Jason says, you can alter the threads. There is usualy enough material to put them in the lathe and turn the ends to whatever you want. Remove the plastic lever and make your own and they work soooo well.

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