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666 Bandit · 27 January 2008, 02:30 AM

The valve contains a membrane that alows small molecules the size of helium to escape. It is not a valve that is preset at a specific pressure so there is no adjustment or moving parts for that matter. Hope this helps explain.

27 January 2008, 02:30 AM	#28
666 Bandit Member Join Date: Dec 2007 Location: Florida Posts: 49	The valve contains a membrane that alows small molecules the size of helium to escape. It is not a valve that is preset at a specific pressure so there is no adjustment or moving parts for that matter. Hope this helps explain.