The Wiggins “fast fuel” System is based on the simple concept of using a sealed vehicle tank to allow a small amount of back pressure to build up and automatically shut off the nozzle. A receiver is mounted on the tank, located near the bottom. Bottom filling helps eliminate foaming which can occur during top fuelling “splash fill”.
The Wiggins ZZ9A1 nozzle is attached to the receiver, the handle is turned to the “ON” position, and fuel begins to fill the fuel tank. As fuel enters the tank, it forces the air inside the tank to exit through the Wiggins vent. When the fuel level nears the top of the tank, the “hollow floating balls” force the third “solid ball” to seal against the vent “stem”, sealing the tank and stopping the air flow out of the tank. As fuel continues to flow, pressure inside the tank builds until it reaches 8 to 10 PSIG. At 8 to 10 PSIG, the nozzle automatically shuts off. The nozzle shut off is gradual, preventing a hammer effect which could damage the fuel line. The nozzle can then be removed, and is ready to fuel the next vehicle!
Wiggins Fast Fill
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