ASTM A995 4A Check Valve
An ASTM A995 4A Check Valve, made from A995 Grade 4A (an austenitic-ferritic duplex stainless steel), is a one-way valve for controlling fluid flow by permitting it in one direction while preventing backflow, commonly employed in applications requiring corrosion resistance and non-reverse flow.
About Us
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.
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Building 2, NO.59, Songshan Road, SND, Suzhou, China