Airtac PCV Series Pilot Check Valve, Pneumatic Pressure Holding Valve, Cylinder Locking Air Valve for Industrial Automation Systems

Specification PCV:

1. Product Overview

1. The PCV Series is a pneumatic pilot check valve designed for pressure holding and cylinder position locking in automation systems.
2. The valve operates through pilot pressure control, allowing airflow when activated and automatically locking when pressure is removed.
3. It enhances operational safety and positioning accuracy in pneumatic applications.

2. Features & Design

1. Compact valve body design saves installation space.
2. Internal structure includes piston, spool, and SUS304 springs for stable switching performance.
3. Aluminum alloy and brass construction provide durability and corrosion resistance.
4. NBR sealing ensures excellent airtight performance and minimizes leakage.
5. Pilot port fitting design improves installation efficiency.
6. Enables instant cylinder stop and precise positioning control.
7. Multiple port size options compatible with various pneumatic systems.

3. Technical Specifications

1. Fluid: Filtered compressed air (40µm filtration)
2. Operating pressure: 0.15 ~ 1.0 MPa
3. Proof pressure: 1.5 MPa
4. Operating temperature: -20°C ~ 70°C
5. Operating frequency: 6–60 cycles/min depending on model
6. Port size: 1/8”, 1/4”, 3/8”, 1/2”
7. Thread type: PT or G thread
8. Main materials: Aluminum alloy, brass, SUS304 spring
9. Pilot port type: Female thread or fitting type

4. Advantages

1. Stable pressure holding prevents load dropping during air loss.
2. Improves safety of pneumatic cylinder systems.
3. Compact structure with efficient airflow capacity.
4. Fast response for accurate actuator positioning.
5. Easy installation and low maintenance requirement.
6. Long service life under industrial working conditions.

5. Applications

1. Pneumatic cylinder locking systems
2. Industrial automation machinery
3. Lifting and holding mechanisms
4. Packaging and positioning equipment
5. Pneumatic safety control circuits