Butterfly Valves

Our expertise as a butterfly valve manufacturer in China is unmatched.
Valve Types: Concentric Butterfly Valve, Double Offset Butterfly Valve, Triple Offset Butterfly Valve
Design Standards: API 609 Cat A and B, EN 593
Size Range: 2 - 72 Inch
Pressure Range: Class 150-2500 LB
End Connections: Flanged (FF, RF, RTJ), Butt Weld (BW), Wafer, Lug
Material Types: Iron, Carbon Steel, Stainless Steel, Duplex Steel, Al-BRZ, Alloy, Ti
 

As a distinguished concentric butterfly valve manufacturer in China, quality is our top priority.
Design Standards: API 609 Cat A, EN 593, BS 5155
Size Range: 2 - 72 Inch
Pressure Range: up to PN20
End Connections: Wafer, Lug, Flanged (FF, RF, RTJ)
Material Types: Iron, Carbon Steel, Stainless Steel, Duplex Steel, Al-BRZ, Alloy, Ti
Seat Type: NBR, Viton, EPDM, PTFE
Disc Fixing Type: With pin and without pin
Top Mounting: ISO 5211 top mounting is available
Operation Types: Lever, Gear, Pneumatic Actuator
Bosseal Valve advantages: 0 Leakage, low Torque, Long working life
 
With our state-of-the-art facilities and skilled workforce, we're able to deliver top-quality double offset butterfly valves as one of the leading manufacturers in China.
Design Standards: API 609 Cat B
Size Range: 2 - 72 Inch
Pressure Range: Class 150-300 LB
End Connections: Wafer, Lug, Flanged (FF, RF, RTJ)
Material Types: Carbon Steel, Stainless Steel, Duplex Steel, Al-BRZ, Alloy, Ti
Seat Type: PTFE, RPTFE, PPL (for higher temperature), RPTFE+Metal (Fire Safe)
Top Mounting: ISO 5211 top mounting is available
Operation Types: Lever, Gear, Pneumatic Actuator
Bosseal Valve advantages: 0 Leakage, low Torque, Long working life, Low Emission, Bi-direction and fire safe
 
Our company is widely recognized as one of the most reliable triple-offset butterfly valve manufacturers in China.
Design Standards: API 609 Cat B
Size Range: 2 - 72 Inch
Pressure Range: Class 150-2500 LB
End Connections: Wafer, Lug, Flanged (FF, RF, RTJ), BW
Material Types: Carbon Steel, Stainless Steel, Duplex Steel, Al-BRZ, Alloy, Ti
Seat Type: Metal with Hard facing
Disc Seat:
Solid metal seal ring (for bi-direction service)
or laminated graphite+SS seal ring
or laminated PTFE+SS seal ring (for service need cleanness like seawater)
Top Mounting: ISO 5211 top mounting is available
Operation Types: Lever, Gear, Pneumatic Actuator, Motor Actuator
Bosseal Valve advantages: 0 Leakage, low Torque, Long working life, Low Emission, Bi-direction and fire safe
 

Why Choose Our Butterfly Valves

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Butterfly Valves Seats

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.
 
Our Contacts
Building 2, NO.59, Songshan Road, SND, Suzhou, China