Hayward BYCS1040E1LGA Butterfly Valve, 4 in Pipe Size, Concentric, 150 psi Max Pressure CWP, Wafer, PVC, 8 Bolt Holes 820LL6 This Mitutoyo Thread Pitch Gauge This Mitutoyo Thread Pitch Gauge Set is an essential tool for accurately measuring the pitch or lead of a screw thread Stainless Steel Hardware and Padlock Protectors Material Plastic Features 4 Strong Polyurethane Wheels with Stainless Steel Bearings PVC (polyvinyl chloride) general service butterfly valves are made from a corrosion and chemical resistant plastic resin Style Wafer Connection Type Wafer Pipe Size 4 in Body Material PVC Disc Material PVC Disc Alignment Concentric Liner Material EPDM O Ring Material EPDM Seal Material EPDM Stem Material 410 Stainless Steel Handle Type Lever Handle Material PVC Handle Locking Locking Handle Length 9