Butterfly Valve Lug Style Body Material Carbon Steel Max Water Pressure 285 psi Max Steam Pressure 150 psi Pipe Size 2 1/2 in Temp Range -20 to 400 Degrees F Liner Material RPTFE Disc Material 316 Stainless Steel Handle Type Gear Operated Number of Bolt Holes 4 Bolt Circle Dia 5 1/2 in Lug Dia 5/8-11 Standards MSS SP-68 ANSI B16.34 API 609