Name: ASTM A351 CF8 High Pressure Butterfly Valve.
Size: DN50-DN4000.
Nominal Pressure: 2.5-6.4 MPa.
Operating Temperature: ≤425℃, ≤200℃.
Body, disc: ASTM A351 CF8.
Stem: ASTM A351 CF8, ASTM A351 CF3M.
Butterfly sealing surface: 304+Flexible Graphite.
Filler: Flexible Graphite or PTFE.