XI'AN YUMU ELECTRONICS TECHNOLOGY CO.,LTD
Model No.: QF-21A
Brand: YM
High-Precision Oxygen Sensing and Control System for Aircraft and Drone Applications
The QF-21A Military Aviation Sensor Oxygen Valve is a precision-engineered oxygen monitoring and control system specifically designed for critical aviation oxygen applications. Engineered for aircraft engine oxygen systems, drone propulsion monitoring, and commercial aviation oxygen delivery systems, this high-reliability component provides accurate oxygen concentration measurement and precise flow control essential for both crew safety and engine performance optimization.
Manufactured with the same rigorous quality standards as our Military Metal Relay and Polarized Relay product lines, the QF-21A represents YM's expertise in developing specialized components for critical aviation life support and propulsion systems that demand uncompromising reliability and precision.
Specifically designed and certified for oxygen service with all wetted parts oxygen-cleaned and compatible with aviation oxygen systems. Materials and construction prevent ignition sources and meet stringent aviation oxygen safety standards including FAA and EASA requirements for oxygen delivery systems.
Combines precise oxygen concentration measurement with accurate flow control in a single compact unit, eliminating the need for separate sensor and valve components. This integration reduces potential leak points by 50% and provides more responsive system control for critical aviation oxygen applications.
Utilizes either electrochemical cell technology for cabin oxygen monitoring or zirconia oxide sensors for engine applications, providing accurate, stable oxygen measurements with minimal drift over time. The sensing technology is selected based on specific application requirements for optimal performance.
With actuation times under 4 milliseconds and oxygen concentration updates within 4 milliseconds, the QF-21A provides near-instantaneous response for real-time oxygen system control in critical applications including emergency oxygen deployment and engine oxygen enrichment systems.
Incorporates oxygen-compatible sealing techniques developed through our expertise in Metal Sealing Relay manufacturing. Specialized elastomers and metal seals prevent leakage in high-pressure oxygen systems while maintaining compatibility with oxygen service requirements.
Weighing under 3 grams, the QF-21A provides both oxygen sensing and control functions without significant weight penalty—critical for aircraft applications where every gram affects performance, range, and fuel efficiency, particularly in drone and UAV applications.
Engineered to prevent ignition sources in oxygen-rich environments through proper material selection, reduced mechanical friction, and electrical safety features. Complies with aviation oxygen system safety standards for both military and commercial applications.
Designed to operate reliably in electrically noisy aviation environments, complementing our PCB Signal Relay and Solid State Relay products in integrated aircraft systems. Features built-in RFI/EMI protection for accurate sensor readings in challenging electromagnetic environments.
Includes built-in diagnostics that monitor sensor health, valve position, and system integrity. Optional smart versions provide automatic calibration reminders and performance trending for predictive maintenance.
Operating at just 0.3-0.43W for both sensing and control functions, this integrated component minimizes power draw—particularly valuable for unmanned aerial vehicles (UAVs) and emergency oxygen systems with limited power availability.
Critical for monitoring and controlling emergency oxygen delivery in commercial and military aircraft cabin systems. Provides precise oxygen concentration measurement and flow control for passenger and crew life support during cabin depressurization events or high-altitude operations.
Essential for military aircraft pilot oxygen systems, providing accurate oxygen monitoring and delivery control for high-altitude flight operations. The rapid response time ensures immediate oxygen availability during rapid decompression scenarios.
Used in specialized drone applications where oxygen monitoring is required for hybrid or alternative propulsion systems. The lightweight design preserves flight endurance while providing critical oxygen system data.
Monitors and controls oxygen injection in specialized aircraft engine applications where oxygen enrichment is used for performance optimization or altitude compensation in certain military and research aircraft.
Provides precise oxygen delivery control for medical oxygen systems in air ambulance and medical evacuation aircraft, ensuring accurate oxygen administration to patients during transport.
Used in aircraft ground support equipment including oxygen servicing carts, maintenance test equipment, and pre-flight oxygen system check equipment for both military and commercial aviation operations.
Essential for scientific and research aircraft operating at extreme altitudes where precise oxygen monitoring and control is critical for both crew safety and experimental integrity.
Designed for specialized military aircraft where reliable oxygen systems are critical for mission success in high-altitude or extended-duration operations.
Provides reliable, accurate oxygen monitoring and control essential for crew safety in aviation applications. The integrated design reduces failure points and improves overall system reliability compared to separate sensor and valve installations.
Combining oxygen sensing and flow control functions in a single component reduces overall system weight by 30-40% and decreases the number of individual components required, simplifying system design and installation while optimizing aircraft weight distribution.
Designed and certified to meet rigorous aviation oxygen system standards, reducing certification time and costs for aircraft manufacturers and operators. All materials and processes comply with aviation oxygen service requirements.
Reduces installation time by 40% compared to separate components and simplifies maintenance with only one component to inspect, calibrate, and service. The durable design provides extended service life with minimal maintenance requirements.
The integrated design minimizes response time between oxygen sensing and flow adjustment, providing faster, more precise oxygen delivery control compared to systems with physically separated components—critical for emergency oxygen systems.
Reduces the number of unique part numbers required in inventory, similar to the standardization benefits of our Automotive Relay product line. One integrated component replaces multiple separate items, simplifying procurement, stocking, and maintenance logistics.
The QF-21A Military Aviation Sensor Oxygen Valve is designed and manufactured to meet or exceed the following standards:
All units are individually tested and certified for oxygen service with complete traceability documentation. Oxygen cleaning certification provided with each unit.
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