SAFETY RING, for flow opening. Double safe, during filling unhooking is not possible.
THERMAL INSULATION SYSTEM, helps prevent freezing, also applied on refuelling connector.
The hose is composed by rigid meshes that insulate thermally the internal elements and protect them.
Close to the hose end, before activation of pullaway system, the color changes again and become red, simultaneously start acoustic signals from dispenser.
WHIT PULLAWAY SAFETY SYSTEM
Pullaway works when the hose exit is complete after light acoustic warming.