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