Butterfly Valve Wafer Style Body Material PVC Max Water Pressure 150 psi Max Vacuum 29 in Hg Pipe Size 4 in Temp Range 30 Degrees to 175 Degrees F Liner Material EPDM Disc Material Polypropylene Handle Type Lever Number of Bolt Holes 8 Bolt Circle Dia 7 1/2 in Standards NSF-61 ASTM D1784 Cell Class 12454A