Butterfly Valve Wafer Style Body Material PVC Max Water Pressure 150 psi Pipe Size 8 in Temp Range 32 Degrees to 140 Degrees F Liner Material Nitrile Disc Material Glass Filled Polypropylene Handle Type Gear Number of Bolt Holes 8 Bolt Circle Dia 11 3/4 in Lug Dia 7/8 in Standards ISO 5211 ASTM D1784 Cell Class 12454 (Body) ASTM D4101 Cell Class 85580