Airtac NRV Series Pneumatic Non Return Valve, Aluminum Air Check Valve, One Way Pneumatic Valve for Industrial Automation

Specification:

1. Product Overview

1. The NRV Series is a pneumatic non-return valve designed to allow airflow in one direction while automatically preventing reverse flow.
2. It plays an essential role in maintaining pressure stability and protecting pneumatic equipment.
3. The valve operates mechanically using air pressure without electrical control.

2. Features & Design

1. Lightweight yet durable aluminum alloy body construction.
2. Internal spool and spring mechanism provides fast response and stable switching.
3. One-way airflow design prevents pressure loss and reverse air movement.
4. Large effective flow area minimizes pressure drop during operation.
5. High-quality rubber sealing ensures excellent airtight performance.
6. Compact structure allows installation in limited spaces.
7. Available with PT, G, and NPT thread standards for global compatibility.

3. Technical Specifications

1. Fluid: Filtered compressed air (40µm filtration)
2. Operating pressure range: 0.02 ~ 1.0 MPa
3. Proof pressure: 1.5 MPa
4. Operating temperature: -20°C ~ 70°C
5. Port sizes: 1/8”, 1/4”, 3/8”, 1/2”, 3/4”, 1”
6. Body material: Aluminum alloy
7. Operation type: One-way airflow non-return mechanism
8. Optimized orifice design for high flow efficiency

4. Advantages

1. Effectively prevents air backflow and protects pneumatic components.
2. Maintains stable system pressure.
3. Reduces air consumption and energy loss.
4. Compact and easy installation design.
5. Durable performance in continuous industrial operation.
6. No electrical power required for operation.

5. Applications

1. Industrial pneumatic systems
2. Automated production lines
3. Pneumatic cylinder control systems
4. Packaging and mechanical equipment
5. Compressed air distribution and protection systems