XI'AN YUMU ELECTRONICS TECHNOLOGY CO.,LTD
XI'AN YUMU ELECTRONICS TECHNOLOGY CO.,LTD
Home> PRODUCTS> Aviation Sensor> Aviation Valve> Military Aviation cool air valve QDF-42B
Military Aviation cool air valve QDF-42B
Military Aviation cool air valve QDF-42B
Military Aviation cool air valve QDF-42B

Military Aviation cool air valve QDF-42B

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Product Description
Product Attributes

Model No.QDF-42B

Packaging & Delivery
Military Aviation Valve
QDF-42B Military Aviation Cool Air Valve | High-Performance Solenoid Valve for Military Aircraft

QDF-42B Military Cool Air Control Valve is a cutting-edge aviation solenoid valve engineered specifically for military aircraft environmental control systems. As a certified Military Aviation cool air valve QDF-42B, it ensures precise regulation of cold air flow under extreme operational conditions. Designed to meet the rigorous demands of combat and reconnaissance platforms, the Aviation Valve for Military Aircraft QDF-42B delivers ultra-fast response, exceptional durability, and consistent performance at high altitudes and variable pressures. High-Performance Cool Air Valve QDF-42B incorporates advanced magnetic circuit technology and hermetically sealed construction, making it the preferred choice for airborne cooling systems, avionics bay thermal management, and missile launch platforms. Trusted by global defense contractors, the Advanced Aviation Valve QDF-42B for Military Use represents the next generation of reliability and precision in pneumatic flow control.

Whether for fixed-wing fighters, rotary-wing aircraft, or unmanned aerial vehicles (UAVs), the QDF-42B Military Cool Air Control Valve ensures optimal temperature regulation, directly contributing to mission readiness and component longevity. With ultra-low leakage rate ≤10⁻³ Pa·cm³/s and rapid action time ≤3ms, it outperforms conventional valves in both safety and efficiency.

Precision engineering backed by comprehensive test data. Below parameters define the performance envelope of Aviation Valve QDF-42B Military and ensure compatibility with advanced aircraft pneumatic architectures.

Coil power consumption(0.3 ~ 0.43) W – ultra-low energy footprint
Contact load & life (resistive)1A, 28V d.c., 1×10⁵ cycles (100,000 ops)
Low level load capability(10~50)μA / (10~50)mV, 1×10⁵ cycles
Initial contact resistance≤50 mΩ (after life test ≤200 mΩ)
Action time (energized)≤4 ms (standard) / ≤3 ms (optimized incentive)
Release time≤4 ms
Dielectric withstanding voltageNormal: 500V r.m.s., 50Hz ; Low pressure: 250V r.m.s., 50Hz
Insulation resistanceNormal: >500 MΩ ; After high-level life: >50 MΩ
Weight< 3g – ultra-lightweight for airborne applications
Hermeticity (leakage rate)≤10⁻³ Pa·cm³/s (superior sealing)
Incentive pulse width (recommended)(10 ~ 50) ms
Coil wire voltage (nominal, 25°C)27V d.c. (compatible with TO‑5 relay footprint JRW-211MT series)

Key note: The QDF-42B valve supports both continuous and pulsed operation, optimized for 27V d.c. military power buses. Its low coil功耗 combined with high breaking capacity ensures compatibility with legacy and next-gen aircraft platforms.

 Product Images & Visual Reference

QDF-42B Military Cool Air Control Valve - aviation solenoid valve for military aircraft

High-resolution imagery demonstrates the compact form factor, robust terminal layout and hermetic sealing. The valve housing is corrosion-resistant and designed to withstand severe vibration, moisture, and altitude extremes. Cool Air Valve for Military Aircraft maintains performance integrity under harsh EMC environments.

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