Emco Wheaton

直升飞机​燃油热装枪阀 

Helicopter Refueling Nozzle

接头与阀

Fittings & Valves

The G457 Helicopter Refueling Nozzle was originally developed by Emco Wheaton for military applications. This nozzle is designed to ensure that fuel cannot be accidentally delivered into the engine air intake during hot refueling. Commercial Helicopter operators will appreciate the significant cost advantages in terms of the reduction in turbine cold starts occurring from the ability to safely refuel with rotors turning.

G457直升机加油枪阀最初是为军用开发的。枪阀设计能确保避免直升机热运转加油时燃油误入引擎的空气进口。商用直升机飞行员也会极其赞赏其显著的降耗作用，即直升机热运转下安全加油所节省的引擎冷启动的成本和油耗。

• Proximity (deadman) 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 anodised 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 litres/min (10 US gal/min);
• Flow control mechanism is capable of handling pressures up to 110 psi;
• Swivel integrated into nozzle;
• NATO specification

• 近触压杆可在枪阀从加注口抽出时自动停止燃油输送
• 加注管带燃油传感器可高液位自动切断(可适用流速低至37.8lpm)；另带消泡装置
• 可手动控制油箱加注最大限度利用油箱容积
• 带100目进油过滤器、防尘帽、接地线
• 表面黑色阳极氧化，提供全天候防护
• 零下30度环境测试
• 耐燃油Buna-N橡胶防溅圈
• 流量控制机构耐压高达110psi (7.5bar)
• 枪阀内置旋转接头
• 符合北约指标