ASTM A890 4A Butterfly Valve

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ASTM A890 4A Butterfly Valve is a specialized butterfly valve constructed from ASTM A890 Grade 4A (a 4% nickel duplex stainless steel). It employs a rotating disc to control fluid flow and is suitable for demanding applications that require resistance to corrosion and erosion in harsh environments.

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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.

ASTM A890 4A Butterfly Valve

ASTM A890 4A Butterfly Valve, CL300, 40 IN, EN 593, API 609

EN 593 RPTFE Seated Butterfly Valve, A890 4A, 300 LB, 30 IN

Double Offset Butterfly Valve, EN 593, CL150, 26 IN, A890 4A

RPTFE Seated Butterfly Valve, ASTM A890 4A, 150 LB, 32 Inch

Duplex Stainless Steel Butterfly Valve, A890 4A, CL300, 3 IN

ASTM A890 4A Butterfly Valve, 4 Inch, 300 LB, Double Offset

ASTM A890 4A Butterfly Valve, CL 300, 24 IN, EN 593, API 609

ASTM A890 4A Lug Butterfly Valve, 300 LB, 8 IN, API 609 B

EN 593 Soft Seated Butterfly Valve, A890 4A, CL 150, 30 IN

ASTM A890 4A Double Offset Butterfly Valve, 14 Inch, CL 150 LB

Duplex Stainless Steel Butterfly Valve, 4A, CL150, 2-1/2 IN

ASTM A890 4A Butterfly Valve, EN 593, API 609, CL300, 40 IN