The G457 Automatic Helicopter Refueling Nozzle was originally developed for military applications. This nozzle is designed to ensure that fuel cannot be accidentally delivered into the engine air intake during hot refueling (fueling with rotors turning).
Proximity (dead man) lever which automatically shuts off fuel delivery on withdrawal of the nozzle spout form the filler neck High level shut-off by fuel sensor in spout, also equipped with anti-froth device Manual override for tank filling to absolute maximum capacity Supplied complete with 100-mesh inlet strainer, dust cap, and grounding wire Black anodized finish for all-weather protection Tested for temperatures as low as –30°C Fuel resistant Buna-N splashguard High level shut-off maintained down to flow rate of 37.8 liters/min (10 US gal/min) Flow control mechanism is capable of handling pressures up to 110 psi Swivel integrated into nozzle NATO specification
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