FE240-221-001

DIAPHRAM
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About this product
The FE240-221-001 is a factory-new replacement diaphragm supplied with EASA Form-1 certification. A diaphragm is a flexible sealing member that converts pressure or motion into mechanical movement or that seals two fluid volumes while allowing controlled displacement. In aircraft hardware it is used inside valves, pumps, regulators, sensors and actuators to create a reliable, leak-tight barrier and to provide repeatable pressure response.
FE240-221-001 Datasheet
Lead Time: Stock
Certification: EASA Form 1
UOM: EA
8130/EASA Eligible: Yes
PRODUCT DESCRIPTION

FE240-221-001

  • EASA Form-1 certified: Supplied with traceable paperwork for inclusion in certified maintenance records.

  • Precision molding/forming: Manufactured to tight dimensional tolerances so the diaphragm seals and moves as intended.

  • OEM form-fit replacement: Drop-in replacement when the IPC/AMM or repair data calls for FE240-221-001.

  • Controlled flexibility: Engineered to provide consistent deflection and repeatable pressure response over service life.


  • Acts as the movable sealing element that senses and controls downstream pressure in a regulator.

  • Forms the sealing surface that opens or closes to protect systems from overpressure in hydraulic or pneumatic circuits.

  • Keeps pump chambers sealed while permitting the required flexing during pump action in service benches or installations.

  • Converts system pressure into mechanical motion to drive small actuators used in doors, latches or control components.


  • What is the FE240-221-001 diaphragm used for?

It is the flexible sealing/movable element inside valves, pumps, regulators, sensors, and actuators that provides leak-tight separation and converts pressure into motion, where the IPC/AMM specifies it.

  • Can I install this diaphragm anywhere?

No,  fit FE240-221-001 only in the location(s) shown in the IPC/AMM or repair data. Incorrect fitment or using it in a different service can cause leaks or loss of function.

  • How should I inspect it before fitting?

Check the Form-1 and part number, inspect for nicks, cuts, flattening, tears, or contamination, and ensure the sealing surfaces and mounting features are clean and undamaged.


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