HUMPHREY is a professional American pneumatic equipment manufacturer founded in 1901, boasting over 120 years of industry experience. It specializes in the research and development of solenoid valves, cylinders, and pneumatic control components. Its products are renowned for their high reliability, precise control, and modular design. Its production facilities are certified to ISO 9001 and ISO 13485 standards, and 96% of its supply chain originates within the United States, ensuring consistent product quality.
Core Design Features
Structural Optimization
Compact Body: With dimensions approximately 2.53 × 0.63 × 1.25 inches (64 × 16 × 32 mm), it supports panel mounting or integration into confined spaces.
Direct-Acting Solenoid Drive: Response time ≤ 20 ms, supporting high-frequency operation (up to 900 cycles per minute, as referenced in comparable products).
Sealing System: Utilizes fluororubber (FKM) or polyurethane seals, with a temperature resistance range of -25°C to +150°C, compatible with air and inert gases.
Functional Innovation
Dual-Button Manual Control: Enables emergency commissioning or mechanical operation during power outages, enhancing system safety.
Low Power Consumption: Operates at approximately 4.5 W (referenced against comparable 24VDC models), suitable for energy-efficient automation equipment.
Typical Application Scenarios
Industrial Automation
Pneumatic Control on Production Lines: Used for cylinder start-stop and fixture positioning, with high stability for high-frequency operations, suitable for automotive assembly and packaging machinery.
Medical Equipment
Ventilator Gas Distribution: Provides clean gas on/off control, meeting ISO 13485 medical certification requirements (referenced from comparable medical valve applications).
Laboratory Instruments
Fluid Switching in Analytical Equipment: Precisely directs inert gases, with chemical corrosion resistance ensuring long-term reliability.









