... .water pressure:8kg 4.CE,EN331,SGS,ISO9002:2008 certification pvc compact ball valve ComponentMaterial1BodyPVC2BallPVC3StemPVC4O-ringPTFE5Packing RingsPTFE Size: 1/2", 3 ... standard, the quality, the size, the color, etc. PLS-1002 pvc compact ball valve