Originally posted by JavaB link=1100176351/15#21 date=1154751282
Thats right JavaB. There is a way to prevent accidental leakage/flooding with such a setup though and that is by fitting what is called a suitably rated "Counterbalance" valve in between the hose and the tap fixture. Its not something usually found in the kitchen though, more commonly found in industry, especially in hydraulic/pneumatic circuits where high pressure hoses are connected to an actuating Ram that has to maintain position under load, even if a hose should burst. In this situation the valve changes position and prevents the egress of hydraulic fluid or gas.
A valve that would be suitable for household use under normal mains water system pressures would more than likely be a pneumatic valve though and would have to be checked as being suitable for use with a liquid..... quite a few of them would be though as most of these valves have to be able to resist moisture that has condensed out of the air or gas. Might be worth checking into though if you would like a bit more peace of mind
, All the best,Mal.
P.S.
Found a built for purpose valve made by a company in New Zealand that will suit almost all situations. Can be found here... http://www.ralenti.co.nz/products/reli005.html.



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