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API 609 Cat B Butterfly Valve

43 products found

API 609 Category B butterfly valves are engineered for demanding service conditions where reliability, safety, and long cycle life are essential. Unlike concentric designs, Category B valves adopt double or triple offset geometry, allowing the disc to disengage from the seat during operation, significantly reducing friction, wear, and operating torque. This makes them suitable for medium to high-pressure systems such as oil, gas, steam, and chemical processing, where stable sealing performance under differential pressure is critical. With options in stainless steel, duplex, carbon steel, and advanced alloy materials, these valves can be tailored for corrosive and high-temperature environments while maintaining fire-safe and low-leakage performance. In essence, API 609 Category B valves deliver a robust balance of efficiency and durability for severe industrial applications, and global procurement teams can directly access certified China butterfly valves manufacturers through streamlined B2B sourcing platforms for reliable, specification-driven supply.

Showing 1-24 of 43 result(s)
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Double Offset Butterfly Valve, 10 Inch, 300 LB, WCB, API 609

Bosseal Valves (Suzhou) Co., Ltd.

Double Offset Butterfly Valve, 10 Inch, 300 LB, WCB, API 609

Model Number: 10TB3LWCB

We Provide Double Offset Butterfly Valves, ASTM A216 WCB, 10 Inch, DN250, Class 300 LB, PN50, API 60...
API 609 Double Offset Butterfly Valve, 6 Inch, 300 LB, WCB

Bosseal Valves (Suzhou) Co., Ltd.

API 609 Double Offset Butterfly Valve, 6 Inch, 300 LB, WCB

Model Number: 6TB3WWCB

We Provide API 609 Double Offset Butterfly Valves, 6 Inch, Class 300 LB, API 609 Cat B, ASTM A216 WC...
API 609 Triple Offset Butterfly Valve, 16 Inch, 300 LB, WCB

Bosseal Valves (Suzhou) Co., Ltd.

API 609 Triple Offset Butterfly Valve, 16 Inch, 300 LB, WCB

Model Number: 16TC3RWCB

We Provide Triple Offset Butterfly Valves, ASTM A216 WCB, 16 Inch, Class 300 LB, Double Flanged Ends...
ASTM A216 WCB Triple Offset Butterfly Valve, 6 Inch, 150 LB

Bosseal Valves (Suzhou) Co., Ltd.

ASTM A216 WCB Triple Offset Butterfly Valve, 6 Inch, 150 LB

Model Number: 6TC1RWCB

We Provide Triple Offset Butterfly Valves, 6 Inch, Class 150 LB, ASTM A216 WCB, API 609 Cat B, Doubl...
ASTM A351 CF8M Double Offset Butterfly Valve, 8 Inch, 300 LB

Bosseal Valves (Suzhou) Co., Ltd.

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

Model Number: 8TB3WCF8M

Looking for a reliable Stainless Steel High-Performance Butterfly Valve? Look no further than our Do...
ASTM A216 WCB Double Offset Butterfly Valve, 14 Inch, 150 LB

Bosseal Valves (Suzhou) Co., Ltd.

ASTM A216 WCB Double Offset Butterfly Valve, 14 Inch, 150 LB

Model Number: 14TB1LWCB

Achieve maximum safety with our API 607 Fire Safe Double Offset Butterfly Valve. This high-performan...
ASTM A351 CF8M Lug Butterfly Valve, Double Offset, API 609

Bosseal Valves (Suzhou) Co., Ltd.

ASTM A351 CF8M Lug Butterfly Valve, Double Offset, API 609

Model Number: 16TB1LWCB

Looking for a top-quality high-performance butterfly valve? Check out our Lug Type of Stainless Stee...
ASTM A351 CF8 Double Offset Butterfly Valve, 12 Inch, 600 LB

Bosseal Valves (Suzhou) Co., Ltd.

ASTM A351 CF8 Double Offset Butterfly Valve, 12 Inch, 600 LB

Model Number: 12TB6LCF8

This high-performance butterfly valve is made of durable stainless steel CF8 with a lug-type design....
API 609 Double Offset Butterfly Valve, 4 IN, 300 LB, WCB

Bosseal Valves (Suzhou) Co., Ltd.

API 609 Double Offset Butterfly Valve, 4 IN, 300 LB, WCB

Model Number: 4TB3WWCB

This High-Performance Double Offset Butterfly Valve is designed with a robust 4-inch 300 LB body mad...
API 609 Cat B Butterfly Valve, Double Offset, 3 Inch, CF8M

Bosseal Valves (Suzhou) Co., Ltd.

API 609 Cat B Butterfly Valve, Double Offset, 3 Inch, CF8M

Model Number: 3TB3WCF8M

This high-performance butterfly valve features a double offset design and is made of stainless steel...
ASTM A995 5A Double Offset Butterfly Valve, API 609, 8 Inch

Bosseal Valves (Suzhou) Co., Ltd.

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

Model Number: 8TB1R5A

Find the perfect Flanged High-Performance Butterfly Valve for your industrial application. This 8-in...
API 609 Cat B Double Offset Butterfly Valve, 12 Inch, 150 LB

Bosseal Valves (Suzhou) Co., Ltd.

API 609 Cat B Double Offset Butterfly Valve, 12 Inch, 150 LB

Model Number: 12TB1LWCB

This 12-inch double offset butterfly valve has a pressure rating of 150 lbs and features high-perfor...
Lever Operated Double Offset Butterfly Valve, 3 Inch, 150 LB

Bosseal Valves (Suzhou) Co., Ltd.

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

Model Number: 3TB1LWCB

This Lever Operated Double Offset Butterfly Valve is a high-performance valve that features an API 6...
Gear Operated Double Offset Butterfly Valve, 4 Inch, 150 LB

Bosseal Valves (Suzhou) Co., Ltd.

Gear Operated Double Offset Butterfly Valve, 4 Inch, 150 LB

Model Number: 4TB1LWCB

Looking for a high-performance valve option for your industrial application? Check out our 4 inch Ge...
High Performance Butterfly Valve, API 609, CF3M, 2IN, 150 LB

Bosseal Valves (Suzhou) Co., Ltd.

High Performance Butterfly Valve, API 609, CF3M, 2IN, 150 LB

Model Number: 2TB1WCF3M

This high-performance butterfly valve is made of CF3M stainless steel and features a double offset d...
Bare Shaft Butterfly Valve, Double Offset, 6 IN, 150 LB, WCB

Bosseal Valves (Suzhou) Co., Ltd.

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

Model Number: 6TB3WWCB

Looking for a high-performance butterfly valve? Check out our DN150 Bare Shaft Double Offset Butterf...
API 609 Cat B Double Offset Butterfly Valve, 8 Inch, 150 LB

Bosseal Valves (Suzhou) Co., Ltd.

API 609 Cat B Double Offset Butterfly Valve, 8 Inch, 150 LB

Welcome to our Double Offset Butterfly Valve Factory! We specialize in manufacturing API 609 Cat B v...
Double Offset Butterfly Valve, 8 Inch, 300 LB, API 609, WCB

Bosseal Valves (Suzhou) Co., Ltd.

Double Offset Butterfly Valve, 8 Inch, 300 LB, API 609, WCB

Looking for a high-performance butterfly valve fabricator? We offer API 609 Cat B compliant valves w...
API 609 Triple Offset Butterfly Valve, 36 Inch, 150 LB, WCB

Bosseal Valves (Suzhou) Co., Ltd.

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

Shop high-quality Triple Offset Butterfly Valves from a leading manufacturer. Our valves are designe...
ASTM A105N Triple Offset Butterfly Valve, 10 Inch, 900 LB

Bosseal Valves (Suzhou) Co., Ltd.

ASTM A105N Triple Offset Butterfly Valve, 10 Inch, 900 LB

Looking for a reliable high-pressure triple offset butterfly valve provider? We offer API 609 Cat B ...
ASTM A216 WCB Butterfly Valve, 48 Inch, 150 LB, API 609

Bosseal Valves (Suzhou) Co., Ltd.

ASTM A216 WCB Butterfly Valve, 48 Inch, 150 LB, API 609

Introducing our premium metal seat butterfly valve, expertly crafted by a trusted manufacturer. This...
ASTM B148 C95800 Double Offset Butterfly Valve, 10 Inch, 150 LB

Bosseal Valves (Suzhou) Co., Ltd.

ASTM B148 C95800 Double Offset Butterfly Valve, 10 Inch, 150 LB

Discover our high-performance Bare Shaft Double Offset Butterfly Valve. This valve is made from ASTM...
ASTM A216 WCB Double Offset Butterfly Valve, 150 LB, 14 Inch

Bosseal Valves (Suzhou) Co., Ltd.

ASTM A216 WCB Double Offset Butterfly Valve, 150 LB, 14 Inch

Discover our premium Gear Operated Double Offset Butterfly Valve Factory. This valve complies with A...
Double Offset Butterfly Valve, 12 Inch, 150 LB, WCB, API 609 Cat B, RF

Bosseal Valves (Suzhou) Co., Ltd.

Double Offset Butterfly Valve, 12 Inch, 150 LB, WCB, API 609 Cat B, RF

Model Number: 12TB1WWCB

Discover high-quality Double Offset Butterfly Valves at our factory, available in 12-inch size (DN30...
Total 43 record(s), 24 record(s) per page