Butterfly Valve Lug Style Body Material Carbon Steel Max Water Pressure 285 psi Max Steam Pressure 150 psi Pipe Size 8 in Temp Range -20 to 400 Degrees F Liner Material RPTFE Disc Material 316 Stainless Steel Handle Type Gear Number of Bolt Holes 8 Bolt Circle Dia 11 3/4 in Lug Dia 3/4-10 Standards ANSI B16.34 API 609 MSS SP-68