• Flanged Standard: JB/T74-86.2 GB/T9112-9124 ANSI B16.1 B16.5 B16.24
• Body Material: WCB/CF8/CF8M
• Disc Material: SS316 SS316L
• Packing: PTFE/Flexible Graphite
• Gasket: Spiral-wound graphite-filled Stainless Steel/PTFE/Soft Metal
• Options: Worm gear/Ex-proof Limit Switch/Positioner