P/N: 9912078-9
Category: Valves & Actuators
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
| Condition | Stock |
|---|---|
| As Removed | 1 Available |
The 9912078-9 is a check valve that permits one-way flow while blocking reverse flow in aircraft pressurized systems. This valve maintains directional control in fuel, hydraulic, and pneumatic lines, preventing backflow that could damage system components or compromise operation. Commonly installed in airframe fluid circuits on Citation 525 and other Cessna aircraft.
Install per the aircraft maintenance manual, verifying flow direction and performing leak checks after replacement. Equivalent to ASC 4004-1/4004-1A.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
The 9912078-9 is a check valve that permits one-way flow while blocking reverse flow in aircraft pressurized systems. This valve maintains directional control in fuel, hydraulic, and pneumatic lines, preventing backflow that could damage system components or compromise operation.
Hydraulic component compatibility depends on the aircraft system design. Common aviation hydraulic fluids include MIL-PRF-5606 (mineral-based), MIL-PRF-83282 (synthetic), and Skydrol (phosphate ester). Verify the CHK VALVE against your aircraft maintenance manual for fluid compatibility.
Overhauled and repaired hydraulic components are pressure-tested per manufacturer specifications and include 8130-3 documentation. The CHK VALVE is available in: As Removed. Contact us for test documentation on your selected condition.
In-stock hydraulic components ship same business day before 3 PM EST. We provide 24/7 AOG support at (904) 998-9101 for urgent hydraulic system needs. RFQ submissions are typically quoted within 24 hours.