Customer Cases

1. Product Concept
The MIL-PRF-7-559 Coalescing Filter Element is a mission-critical fluid conditioning component engineered to the highest military performance standards. Its fundamental purpose is to ensure the absolute purity of critical gases and fluids by forcibly separating and removing sub-micron liquid contaminants. Operating on the principle of mechanical coalescence, it is specifically designed to protect sensitive and high-value aerospace systems where any contamination can lead to catastrophic failure. More than just a filter, it is a validated safeguard whose design, materials, and performance are exhaustively tested and certified for the most extreme operational environments imaginable, including those with intense vibration, rapid pressure cycling, and severe thermal shocks. Compliance with this specification is a non-negotiable qualification for systems where reliability is paramount.

2. Key Advantages & Features

• Certified Extreme-Environment Performance: Undergoes and passes rigorous qualification testing for vibration, shock, thermal cycling, and pressure surge to ensure flawless operation in aerospace and strategic defense applications.

• Ultra-High Efficiency Separation: Utilizes a multi-stage, graded-density media pack designed for maximum liquid aerosol removal, typically achieving efficiencies exceeding 99.9% for droplets as small as 0.1 micron.

• Lightweight & High-Strength Construction: Manufactured from advanced, aerospace-grade materials such as anodized aluminum alloys or stainless steel to provide an optimal strength-to-weight ratio and meet strict weight budgets without compromising safety or burst pressure ratings.

• Guaranteed Interchangeability & Traceability: Every element is manufactured to identical physical and performance specifications, ensuring perfect form-fit-function replacement. Full material and lot traceability is provided to meet stringent quality assurance protocols.

• Compatibility with Strategic Media: Specifically engineered for compatibility with demanding fluids and gases used in aerospace, such as missile propellants (e.g., hydrazine), advanced hydraulic fluids, instrument air, and inert purging gases.

3. Primary Application Fields
This filter is deployed in systems where fluid purity is directly synonymous with mission success, platform safety, and operational readiness.

• Rocket & Missile Systems: Critical for fuel and oxidizer feed systems, pneumatic control systems, and inert gas purging circuits in launch vehicles and tactical missiles.

• Military & Spacecraft Platforms: Integrated into aircraft/satellite hydraulic systems, environmental control systems (ECS), fuel systems, and onboard gas generation units.

• Strategic Ground Support Equipment (GSE): Used in launch pad conditioning systems, mobile hydraulic test units, and propellant servicing equipment that support launch operations.

• Unmanned Aerial Vehicles (UAVs) & Drones: Essential for protecting the fuel, hydraulic, and sensor cooling systems in high-altitude long-endurance (HALE) and tactical UAVs.

• High-Purity Test & Calibration Systems: Employed in ground-based facilities that generate and supply ultra-clean air or gases for testing aerospace components and avionics.

4. Common Models：

I-614C5TB

l-622C5TB

l-628C5TB

l-633C5TB

l-638C5TB

l-644C5TB

l-656C5TB

SO-424V5

SO-430V

SO-436V

SO-424V

SO-624VA

SO-630VA

SD-6333A

SO-640V

SO-644V

SO-648V

SD66W5S

SO-644VA5

SO-644V5

SO-648V5

SO-614VA5

SO-623VA5

SO624V5

SO-623VA5

SO624VA5

SO-630PV5

SO636PV5

SO640PV5

SO-644PV5

SO-633VA5

SO-640VA5

SO-644PV5

SO-644V5

SO-640V5

SO-644VA5

SO-644PV5

SO-646V5