API 609 Cat B Butterfly Valve

An API 609 Category B Butterfly Valve is the butterfly valve that complies with the design and performance criteria specified in the API 609 Category B. Category B valves are offset type, meaning the shaft is offset from the disc, so they can handle higher differential pressures.

API 609 Triple Offset Butterfly Valve, 36 Inch, 150 LB, WCB

Bare Shaft Butterfly Valve, Double Offset, 6 IN, 150 LB, WCB

ASTM A351 CF8M Double Offset Butterfly Valve, 8 Inch, 300 LB

Lever Operated Double Offset Butterfly Valve, 3 Inch, 150 LB

High Performance Wafer Butterfly Valve, API 609, CF8M, 10 IN, 300 LB

ASTM A995 5A Double Offset Butterfly Valve, API 609, 8 Inch

About Us

Founded in 2013, Bosseal Valve is a professional valve manufacturing company in Suzhou, China. We mainly supply Industrial Ball Valves, Gate Valves, Globe Valves, Check Valves, Butterfly Valves, Plug VaIves, and Strainers designed and manufactured according to API, ASME, ISO, DIN, BS, EN standards.