Butterfly Valve Wafer Style Body Material PVC Max Water Pressure 150 psi Pipe Size 4 in Temp Range 32 Degrees to 140 Degrees F Liner Material Nitrile Disc Material PVC Handle Type Gear Number of Bolt Holes 8 Bolt Circle Dia 7 1/2 in Lug Dia 22/31 in Standards ISO 5211 ASTM D1784 Cell Class 12454