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VALVE, EXPANSION (P/N 2499005-801) - As Removed

P/N: 2499005-801

Category: Valves & Actuators

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In Stock (1 available)
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Available Inventory

Condition Stock
As Removed 1 Available

Product Description

The 2499005-801 is an expansion valve for Bombardier Learjet vapor-cycle air-conditioning systems. This thermostatic device meters liquid refrigerant into the evaporator while maintaining proper superheat and separating high- and low-pressure circuit sides. Installed in the liquid line upstream of the evaporator within the environmental control system, it regulates cabin cooling by modulating refrigerant flow based on evaporator outlet temperature.

Installation must follow the applicable aircraft maintenance manual and IPC specifications for proper system operation and certification compliance.

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, EXPANSION (P/N 2499005-801)?

The 2499005-801 is an expansion valve for Bombardier Learjet vapor-cycle air-conditioning systems. This thermostatic device meters liquid refrigerant into the evaporator while maintaining proper superheat and separating high- and low-pressure circuit sides.

What hydraulic fluid type is the 2499005-801 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, EXPANSION against your aircraft maintenance manual for fluid compatibility.

Does the 2499005-801 come pressure-tested and certified?

Overhauled and repaired hydraulic components are pressure-tested per manufacturer specifications and include 8130-3 documentation. The VALVE, EXPANSION is available in: As Removed. 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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