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Flex Water hose supply line specifications for fire hose cabinet

Flex Water hose supply line specifications for fire hose cabinet

Flex Water hose supply line specifications for fire hose cabinet

I need a specification for a flexible water hose supply line for a fire hose cabinet on the end of a floating dock.  The problem we have is the flex stainless steel 4" diameter hose is developing pin size holes (after only a few months in service).  I am sure electrolysis’ and galvanic action is the cause.  I need a hose that can handle a pressure to make the fire department happy.  My facilities manager suggests a marine grade 1/8” thick aircraft fuel type of hose line that he swears by.  Any leads or suggestions would be greatly appreciated.


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