Norgren Pneumatic Non Return Valve Brass, Female Threaded Inlet & Outlet, 16 bar Maximum Operating Pressure S/521

Norgren S/521 is a high-quality pneumatic non return valve designed for reliable use in industrial pneumatic systems. Featuring a robust brass body and female threaded inlet and outlet connections, this valve is built to endure demanding environments while maintaining efficient airflow control at a maximum operating pressure of 16 bar.

This valve utilizes nitrile rubber seals to ensure airtight performance, minimizing compressed air loss during operation. Its minimum cracking pressure of 0.1 bar allows sensitive and precise control, making it ideal for applications requiring accurate backflow prevention.

The valve supports a broad operating temperature range from -20°C to 80°C, allowing dependable operation in extreme conditions encountered in mechanized agricultural equipment and various manufacturing lines. It is suitable for use with filtered compressed air systems, whether lubricated or non-lubricated, expanding its compatibility across pneumatic automation and pharmaceutical environments.

Installation is simplified thanks to standard G1/4 female threaded inlet and outlet ports, which secure the valve firmly during high-pressure operation. Its single-directional functionality supports effective backflow prevention in your pneumatic setups.

Constructed with durable brass material ensuring longevity and resistance to temperature fluctuations. Features G1/4 female threaded inlet and outlet connections for secure and leak-proof installation. Operates effectively within a pressure range of 0.3 to 16 bar for versatile pneumatic applications.

Minimum cracking pressure of 0.1 bar ensures precise and sensitive flow control. Suitable for use with compressed air, both filtered and lubricated or non-lubricated. Wide operating temperature range from -20°C to 80°C for use in harsh industrial environments.

Supplied with nitrile rubber seals to provide a tight fit and prevent air leakage. Designed for single-directional use to simplify system setup. Applications include mechanized agricultural equipment, pharmaceutical manufacturing, industrial automation, and bottling conveyor systems.

Originates from China and is supplied in new condition ready for industrial use.

This non return valve is a trusted choice for pneumatic systems requiring efficient air flow control and robust backflow prevention. It fits seamlessly into industrial, agricultural, pharmaceutical, and automation pneumatic setups where reliability and precision are critical.

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