Name: Cast Steel Wafer Butterfly Valve.
Size: 2-40 Inch.
Working pressure: Class 150-300 LB(PN10-PN40).
Working temperature: ≤300℃.
Body, Disc: Cast Steel.
Valve Stem: Austenitic Stainless Steel.
Sealing Surface: Stainless Steel.
Filler: Flexible graphite or Teflon.