Propane safety device

[Martin Lenick]

I'm interested in a stand-alone device that will stop the flow from a propane tank at the moment the tank's effluent hose suffers a leak. Can anyone, ANYONE, provide any details on such a device?

[Rick]

http://www.freedigitalphotos.net/image/s_cork2.jpg

http://www.backpackinglight.com/backpackinglight/images/large/amk_gear_aid_duct_tape_rolls-L.jpg

[Rick]

http://www.chicagoracers.com/images/MPIGP_05.JPG