L93C100-655

REFUEL DEFUEL COUPLING
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About this product
The L93C100-655 is a refuel/defuel coupling designed for Airbus A330 fuel system interfaces. This servo‑valve‑overhauled unit provides a secure, leak‑free connection between ground fueling equipment and the aircraft’s fuel manifold. It incorporates self‑sealing check valves that automatically close upon hose disconnection, preventing spillage and preserving system pressure.
L93C100-655 Datasheet
UOM: EA
Stock Location: Dubai
Hazardous Item: Non-Hazardous Item
Life Limited Part: No
Lead Time: Stock
Certification: Dual Release
8130/EASA Eligible: Yes
PRODUCT DESCRIPTION

L93C100-655

  • Quick‑Connect Mechanism: Allows rapid attachment and detachment of fueling hoses with a simple twist‑and‑lock action, minimizing ground turnaround time and reducing potential for operator error.

  • Self‑Sealing Check Valves: Integrated poppet valves close automatically when the hose is removed, preventing fuel loss and maintaining system integrity without manual intervention.

  • Safety Locking Collar: A spring‑loaded safety collar engages the coupling into the fuel port, preventing accidental disengagement under pressure and ensuring a positive mechanical lock during high‑flow operations.

  • Universal Fuel Port Compatibility: Conforms to Airbus A330 fuel panel specifications, while also fitting common NATO BL‑3 and API RP 100 standards used on ground refueling equipment.


  • Aircraft defueling operations for maintenance, storage, or ferry fuel management.

  • Fuel sample extraction and pipeline purging through integrated sample ports.

  • Integration into mobile refuel trucks and hydrant dispenser systems at airports.

  • Training and simulation rigs for fueling procedure certification.


  • What is the maximum fuel‑flow rating?

The coupling is rated up to 600 liters per minute (L/min), supporting rapid refueling cycles required by wide‑body operations.

  • How does the self‑sealing feature work?

Spring‑loaded poppet valves inside each half of the coupling automatically close when the hose is disconnected, preventing fuel spillage.

  • What maintenance does this coupling require?

Periodic inspection of seal integrity, corrosion checks on metal surfaces, and functional cycle testing every 12 months or per the operator’s maintenance schedule.


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