DN20 Check Valve

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The DN20 Check Valve, with a nominal diameter of 20 millimeters (about 3/4 inch), ensures unidirectional fluid flow in small-sized pipelines. It is a vital component in applications where backflow prevention is critical, such as in water supply systems, oil and gas installations, and sewage networks.

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Founded in 2013, Bosseal is a professional industrial valve manufacturer based in Suzhou, China. We specialize in the design and production of Ball Valves, Gate Valves, Globe Valves, Check Valves, Butterfly Valves, Plug Valves, and Piping Strainers. All our products are manufactured in strict compliance with international standards, including API, ASME, ISO, DIN, BS, and EN. With a strong focus on quality control and engineering capability, we are committed to providing reliable and high-performance valve solutions for global industrial applications.