High-performance butterfly valves excel in extreme temperature environments, particularly suitable for high and low temperature conditions. Copper valves, with their superior thermal conductivity and corrosion resistance, are a crucial choice for various media. The hard-on-hard sealing design ensures tightness during high-intensity use, extending service life. These features make high-performance butterfly valves critical equipment in industries such as petroleum and chemicals, meeting complex process requirements.
Concentric Butterfly Valve
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
Double Offset Butterfly Valve
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
Triple Offset Butterfly Valve
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
