High Flow Low Pressure Check Valves

FITOK CB Series check valves are designed for low pressure, high flow applications in high purity gas systems, ensuring minimal cracking pressure (≤0.12 bar / 1.8 psig) and high sensitivity. These valves are ideal for preventing unwanted backflow in inert gas systems and most toxic gases. Their packless design prevents contamination from seal wear, and the metal-to-metal body-to-bonnet joint ensures a reliable seal. An integrated purge port makes system maintenance and purging easier. These valves are used in bulk gas distribution, the semiconductor industry, laboratories, pharmaceuticals, chemicals and ultra high purity applications, where flow control and cleanliness are critical.