- Wide compatibility and secure connections: This 3-way check valve fits G1/2 x 3/8 x 10 mm (20 x 16 x 10 mm) thread dimensions and is suitable for small piston air pumps and oil piston air compressors. It provides a secure connection between pipes, air reservoirs and piston pumps. - Easy installation: Precisely manufactured male thread connections allow quick, straightforward installation on compressed air systems, helping to reduce maintenance time. - Durable brass construction: Made from high-quality brass, the valve delivers high pressure resistance, reliability and consistent performance. It resists wear and corrosion for long service life. - Optimised performance and maintainability: The valve prevents backflow in pneumatic applications, ensuring reliable operation. Its removable design facilitates cleaning and maintenance, extending the valves life. - Practical applications: Use with small piston air pumps and oil piston air compressors; install in lines to air reservoirs to protect system integrity; replace worn check valves in compact compressed air circuits to maintain flow control.