VALVE-CHECK - New Surplus
P/N: 646717
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 | 1 Available |
Product Description
The 646717 is a Continental OEM check valve that allows fluid flow in one direction while blocking reverse flow in engine circuits. This one-way valve protects pumps and downstream components from pressure backflow during engine operation. Installed inline within fuel, oil, or hydraulic system routing, it maintains directional flow integrity essential for reliable engine fluid management.
Verify part applicability and installation location through your aircraft's Illustrated Parts Catalog and Continental engine maintenance documentation before installation.
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 VALVE-CHECK (P/N 646717)?
The 646717 is a Continental OEM check valve that allows fluid flow in one direction while blocking reverse flow in engine circuits. This one-way valve protects pumps and downstream components from pressure backflow during engine operation.
What hydraulic fluid type is the 646717 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 VALVE-CHECK against your aircraft maintenance manual for fluid compatibility.
Does the 646717 come pressure-tested and certified?
Overhauled and repaired hydraulic components are pressure-tested per manufacturer specifications and include 8130-3 documentation. The VALVE-CHECK 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.