Connection lift plug valve
 Yuangao butterfly valves have center line, eccentric and triple eccentric  types. Classified for stop type, adjust type and vent types, Metal seal and non-metal seal. The liner materials of centerline butterfly valve. Including PTEF, NR, EPDM, NBR, SI, VITON, CR, IIP, suitable for different temperature and medium. Eccentric butterfly valve has flexible seal, multiple-line seal and metal seal, The end
connection of butterfly valve has flexible seal, multiple-line seal and metal seal. The end connection of butterfly valve including wafer, double flange, butt weld, lug wafer. There are rich varieties of types for selection, only some types are shown in this book, please contactus for more information.

Butterfly valve design construction and specifications

Yuangao cast butterfly valves conform to API 609, MSS-SP-68, ANSI B16.34. Each is tested according to API 598 and marking as per MSS-SP-25.

Construction is as follows

 Triple eccentric butterfly valve, Beveled wedge disc, small friction and torque, self-clean, Manual, electric, pneumatic and gear operation etc Applicable for chemical industry, petroleum, water supply and drain of city, heat supply, metallurgy, water treatment etc. Close and open smartly, prompt, light weight, small figure.