Class 1690 LB Expansion Joint

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Class 1690 LB Expansion Joint is a flexible piping component designed to absorb thermal expansion or contraction in systems with a pressure rating of 4225 psi. This expansion joint is suitable for applications that require stress and vibration mitigation in high-pressure pipelines.

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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.