Butterfly Valve Manufacturing standards: API, ANSI, and DIN
Sealing: 
metal seated and 
resilience seated
Butterfly Valve Size range: from 2 to 72 inches (DN50mm to DN1,800mm)
Pressure: PN0.1 to PN6.4MPa
Applicable temperature: -40 to 425 degree Celsius
Butterfly Valve Connection: 
wafer
Body materials: 
ductile iron, stainless steel, carbon steel, WCB
Actuated type: 
Electric Actuated (Electrically Actuated)