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FUEL SUPPLY LINES
The fuel supply line system and its components, as installed, shall be designed
to be compatible with LPG and to withstand the stresses and exposure to the
marine environment. One type is annealed copper tubing, standard type, Grade
K or L, conforming to specifications for seamless copper water tube.
(ASTM B88-75a)
The flexible LPG fuel line shall comply with UL21.
The hose shall have end fittings designed to use with that hose.
Fuel supply lines shall be protected from physical damage and shall be
accessible for inspection.
Fuel supply lines shall be supported by clips or straps or other suitable means to
prevent vibration damage. The clips or straps or other devices shall be corrosion
resistant and shall be designed to prevent cutting, abrading or damage to the
lines and shall be compatible with fuel supply line material.
Fuel supply lines shall be protected by close-fitting grommets, sleeves or
sealants of non-abrasive material wherever they pass through decks, watertight
or waterproof bulkheads and the method used shall be vapor tight. Fuel supply
lines passing through interior bulkheads that need not be watertight shall be
installed so that the bulkheads will not cut, abrade or damage the line.
Fuel supply lines shall be continuous lengths of tubing, piping or hose from the
regulating device, solenoid valve or leak detector to the appliance or to the
flexible section at the appliance. Each appliance shall be served by a separate
supply line which shall originate inside the cylinder housing or locker.
LPG fuel supply lines shall not be used for an electrical ground.
LOCATION – CYLINDER AND CONNECTED DEVICES
LPG cylinders, cylinder valves, safety devices and regulating equipment shall be
located
so
that
escaping
vapor
cannot
reach
machinery
spaces,
accommodations or other enclosed spaces.
6
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