PTFE/RPTFE/PEEK/NYLON/DEVLON/PCTFE Ball valve Seat& NBR/EPDM Butterfly valve Seat
NBR/EPDM/VITON Butterfly Valve Replaceable Seat
EPDM+PTFE Compound Butterfly Valve Seat
VITON/NBR/EPDM Series Butterfly Valve Replaceable Seat
PTFE/PEEK/DEVLON/PCTFE Ball Valve Seat
Peek Ball Valve Seat Ring