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High Vacuum Piezoelectric Valve for Precision Semiconductor and Industrial Applications

High Vacuum Piezoelectric Valve for Precision Semiconductor and Industrial Applications

This high-precision piezoelectric valve is engineered for demanding vacuum applications including semiconductor manufacturing, photovoltaics, and biotechnology. Utilizing a wear-free piezo-actuated design, it ensures exceptional reliability, rapid response, and precise closed-loop pressure control. Constructed from 316L stainless steel, it offers superior corrosion resistance and cleanliness, featuring fail-safe power-off closure for maximum safety in critical vacuum processes.

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Product Details

This high-performance High Vacuum Piezoelectric Valve is a micro-vacuum regulation execution component specifically designed for precision vacuum control in high-end process scenarios such as semiconductors, photovoltaics, and bio-engineering. Utilizing a mechanical-link-free piezoelectric drive structure, it is suitable for the entire range from ultra-high vacuum to atmospheric pressure (1×10⁻⁹ Pa to 1×10⁵ Pa). This valve enables precise pressure control, rapid on-off switching, and flow regulation within vacuum systems.

With core advantages including zero mechanical wear, power-off self-closing safety, ultra-fast response, and closed-loop pressure stabilization, it is widely used in semiconductor manufacturing, solar PV, LCD panels, and bio-engineering. It stands as a critical micro-execution component for high-end vacuum systems requiring precision vacuum control and rapid response times.

Core Features

Piezoelectric Electric Actuator: Employs a pure electric piezoelectric actuator without mechanical linkages or servo motors. This completely eliminates mechanical wear and particle contamination, resulting in a minimalist structure with extremely high reliability.
316L Stainless Steel Construction: The valve body is made of 316L stainless steel, offering high corrosion resistance, high-temperature tolerance, and low outgassing—perfectly suited for rigorous semiconductor manufacturing and bio-engineering environments.
Multi-Interface Adaptability: Connection flanges and interfaces cover micro-specifications such as DN10 (ISO-KF), OD ¼", and OD 6mm, making it compatible with various micro-vacuum pipelines and precision process lines.
Dual Drive Control Modes: Supports both pneumatic and manual control modes to meet the diverse needs of automated continuous production and manual laboratory operations.
Power-off Self-closing Safety: Designed to close automatically in the event of a power failure, preventing gas leakage and system contamination to protect both the process and personnel.
Closed-loop Precision Stabilization: The closed-loop control mode achieves stable pressure targets with fast response times and high control accuracy, meeting the strict requirements of precision vacuum processes.

Product Specifications

Interface Diameter (mm/inch)	Body Material	Actuator Type	Example Model
6.0 ~ 10.0	316L Stainless Steel	Pneumatic Control	VAvat-DY2CV-UG6.0~10.0
1/4"	316L Stainless Steel	Manual Control	VAvat-DY2CV-UG6.35

Application Fields

Semiconductor Manufacturing: Pressure control and gas switching for wafer fabrication, lithography, and etching processes.
Solar PV & LCD Panels: Vacuum process control in solar cell and liquid crystal panel production to ensure environment stability and product yield.
Bio-engineering & Medical: Ideal for vacuum freeze-drying and medical equipment requiring high cleanliness and no particle generation.
Precision Analytical Instruments: Vacuum control for mass spectrometers, electron microscopes, and leak detectors requiring rapid response.
Micro-vacuum Systems: On-off and pressure regulation for micro-vacuum pipelines and small-scale vacuum apparatus.

Why Choose Our High Vacuum Piezoelectric Valve?

Compared to standard electromagnetic valves, the piezoelectric drive has no mechanical connections, no wear, and generates no particles. This makes it the perfect match for industries where cleanliness and pressure precision are non-negotiable.

Zero Wear, Long Life: The absence of motors and linkages ensures a long service life even in continuous, high-frequency operation.

Safety First: The fail-safe "power-off self-close" feature is essential when handling toxic or hazardous gases in specialized vacuum processes.

High Cost-Performance: It combines rapid response times with closed-loop stability, offering a high-tier solution that balances performance with operational costs.

Frequently Asked Questions (FAQ)

1. What is the primary use of this valve?

It is primarily used for precise vacuum control in semiconductor, solar PV, LCD manufacturing, and bio-engineering sectors.

2. What drive modes are available?

We offer pneumatic control for automated systems and manual control for laboratory or manual setup requirements.

3. Is the valve resistant to corrosion?

Yes, the valve body is constructed from 316L stainless steel, providing excellent resistance to corrosive gases and ensuring high cleanliness.

4. How does the safety feature work?

The valve is designed to automatically close if power is lost, which prevents any accidental gas leaks or back-streaming into the vacuum chamber.

Conclusion: The High Vacuum Piezoelectric Valve is Suitable for high-end precision industries like semiconductor and bio-engineering. The core advantage is its zero-wear piezoelectric drive combined with ultra-fast response and power-off safety protection.

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