Smith-Cooper International 9121 Series PVC Ball Valve, One Piece, Inline, T-Handle, 1-1/2" NPT Female PVC for corrosion resistance, high strength, and less weight than fittings made from metal T-handle for manual on/off control Santoprene seats and stem packing reduce the risk of leakage. Maximum pressure rating of 150 psig for WOG and 110 psig for WSP Female National Pipe Taper (NPT) threads for connecting to male threaded pipes