Butterfly Valve Lug Style Body Material Polypropylene Max Water Pressure 150 psi Pipe Size 4 in Temp Range 32 Degrees to 250 Degrees F Liner Material EPDM Disc Material Glass Filled Polypropylene Handle Type Gear Number of Bolt Holes 8 Bolt Circle Dia 7 1/2 in Lug Dia 22/31 in Standards ISO 5211 ASTM D4101 Cell Class 85580