Name: ASTM A216 WCB Bidirectional Butterfly Valve.
Size: DN100-DN2000.
Body, disc: Carbon Steel ASTM A216 WCB.
Valve stem: 304 or 316L.
Working pressure: PN10-PN40.
End: Butt Welding.
Applicable temperature: ≤200℃ or ≤425℃.
Butterfly sealing surface: 304+Flexible graphite.
Filler: Flexible graphite.