Nickel Aluminum Bronze Butterfly Valve NI-AL Bronze Butterfly valve
Double eccentric and Three eccentric Butterfly valve
Butterfly valve Seat: PTFE RPTFE NBR EPDM FPM Nylon
or SS+PTFE SS+RPTFE SS+PEEK SS+graphite
SS can be 304 316 316L 304L nickel Inconel Monel Duplex steel Super Duplex teel F51 F53
