Butterfly Valve Wafer Style Body Material Carbon Steel Max Water Pressure 285 psi Max Steam Pressure 150 psi Pipe Size 4 in Temp Range -20 to 400 Degrees F Liner Material RPTFE Disc Material 316 Stainless Steel Handle Type Lever Number of Bolt Holes 4 Bolt Circle Dia 7 1/2 in Lug Dia 5/8-11 Standards MSS SP-68 ANSI B16.34 API 609