1.BS pvc ball valve 2.1/2", 3/4", 1", 1-1/4", 1-1/2", 2", 2-1/2", 3", 4" 3.Standard: ... BS, ANSI, DIN, JI BS pvc ball valve1. Material : new materials of the PVC ,socket or thread2.Environment friendly, non- ... chemical corrosion resistance8.Soft colors and excellent design, suitable for installation either exposed or hidden.9. Widly used in ... ,quality, the size, the color, etc. BS pvc ball valve dn40