Essential details
Quantity(pieces):1
MOQ:1
Lead time:20days
Shipping:Express delivery, Air freight, Land transport, Sea freight
Product Introduction
Nominal diameter range
2" ~ 48", DN50 ~ DN1200
2" ~ 48", DN50 ~ DN1200
Pressure range
CL150 ~ CL300, PN16 ~ PN40
Nominal pressure
PN16,25,40,63/CL150,CL300
Flow rate characteristics
Approximately equal percentage optional
Seat leakage
Metal sealing (1) conforms to ANSI B16.104 IV level,
Metal skeleton supports soft seal (3) conforms to VI level
Connection method
Wafer, Flange, Lug
Temperature range
PTFE: -20-150 °C
R-PTFE: -20 to 180°C
Seal material
PTFE, R-PTFE
Valve material
Carbon steel, heat-resistant steel, stainless steel, nickel-based alloys, titanium alloys, etc.
Actuation method
Manual, pneumatic, electric, hydraulic, pneumatic-hydraulic combined, etc.
Sealing surface properties
Featuring a spherical arc surface design with a mirror-like finish,
the seal performs better under increased pressure.
Coefficient of friction
The coefficient of friction between the PTFE seat and the spherical arc surface of the butterfly disc is approximately 0.07 or less than 0.07.
Valve stem system
Featuring 17-4PH, XM-19 or duplex stainless steel high-strength valve stems, paired with self-lubricating bearings
Application industries
Applied in the petroleum, petrochemical, natural gas, power generation, water conservancy, chemical, pharmaceutical, food, papermaking, and water treatment industries.
CL150 ~ CL300, PN16 ~ PN40
Nominal pressure
PN16,25,40,63/CL150,CL300
Flow rate characteristics
Approximately equal percentage optional
Seat leakage
Metal sealing (1) conforms to ANSI B16.104 IV level,
Metal skeleton supports soft seal (3) conforms to VI level
Connection method
Wafer, Flange, Lug
Temperature range
PTFE: -20-150 °C
R-PTFE: -20 to 180°C
Seal material
PTFE, R-PTFE
Valve material
Carbon steel, heat-resistant steel, stainless steel, nickel-based alloys, titanium alloys, etc.
Actuation method
Manual, pneumatic, electric, hydraulic, pneumatic-hydraulic combined, etc.
Sealing surface properties
Featuring a spherical arc surface design with a mirror-like finish,
the seal performs better under increased pressure.
Coefficient of friction
The coefficient of friction between the PTFE seat and the spherical arc surface of the butterfly disc is approximately 0.07 or less than 0.07.
Valve stem system
Featuring 17-4PH, XM-19 or duplex stainless steel high-strength valve stems, paired with self-lubricating bearings
Application industries
Applied in the petroleum, petrochemical, natural gas, power generation, water conservancy, chemical, pharmaceutical, food, papermaking, and water treatment industries.



