Valve that allows air though but not a liquid?
01 December 2009, 02:27 PM
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Valve that allows air though but not a liquid?
Hi guys.
Need a valve that allows air through but stops liquids from passing through please.
i know there's Air by-pass valves for cars but they're massive as i'm after something a lot smaller
Need a valve that allows air through but stops liquids from passing through please.
i know there's Air by-pass valves for cars but they're massive as i'm after something a lot smaller
01 December 2009, 03:16 PM
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For what application?
You can get air traps which are fitted to compressed air systems that allow condensation to escape but then seal against the air.
Steve
You can get air traps which are fitted to compressed air systems that allow condensation to escape but then seal against the air.
Steve
01 December 2009, 03:41 PM
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01 December 2009, 03:45 PM
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bit like a water pistol but thats all i can say 
so something small and cheap
Last edited by Ray_li; 01 December 2009 at 03:53 PM.
01 December 2009, 03:46 PM
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02 December 2009, 08:28 AM
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16 March 2014, 09:28 AM
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Thread from teh dead! 
Anyhoo; Automatic bleeder/vent. Found on most central heating boilers. http://www.screwfix.com/p/bottle-air-vent-15mm/34359
http://www.screwfix.com/p/aladdin-hv...FWLHtAodRjMA3w
They often fail and leak after 5-6 years though.
Or a compressed air water trap - you can get them with automatic drains.
Anyhoo; Automatic bleeder/vent. Found on most central heating boilers. http://www.screwfix.com/p/bottle-air-vent-15mm/34359
http://www.screwfix.com/p/aladdin-hv...FWLHtAodRjMA3w
They often fail and leak after 5-6 years though.
Or a compressed air water trap - you can get them with automatic drains.
Last edited by ALi-B; 16 March 2014 at 09:33 AM.
16 March 2014, 05:24 PM
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