CHECK VALVE (P/N 4cv643) - New Surplus
P/N: 4cv643
Category: Valves & Actuators
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
Available Inventory
| Condition | Stock |
|---|---|
| New Surplus | 4 Available |
Product Description
The 4cv643 is a hydraulic check valve that permits one-way fluid flow while blocking reverse flow in aircraft systems. This valve protects hydraulic pumps from pressure spikes and maintains system pressure during operation. Commonly used in general aviation and commercial aircraft hydraulic circuits, the check valve must be installed in the correct flow direction per aircraft maintenance manual specifications.
Installation requires proper torque application and orientation verification to ensure reliable one-way flow protection during flight operations.
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.
Frequently Asked Questions
What is the CHECK VALVE (P/N 4cv643)?
The 4cv643 is a hydraulic check valve that permits one-way fluid flow while blocking reverse flow in aircraft systems. This valve protects hydraulic pumps from pressure spikes and maintains system pressure during operation.
What hydraulic fluid type is the 4cv643 compatible with?
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 CHECK VALVE against your aircraft maintenance manual for fluid compatibility.
Does the 4cv643 come pressure-tested and certified?
Overhauled and repaired hydraulic components are pressure-tested per manufacturer specifications and include 8130-3 documentation. The CHECK VALVE is available in: New Surplus. Contact us for test documentation on your selected condition.
What is the turnaround time for hydraulic component orders?
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.
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