1.BS pvc ball valve 2.1/2", 3/4", 1", 1-1/4", 1- ... " 3.Standard: BS, ANSI, DIN, JI BS pvc ball valve1. Material : new materials of the PVC ,socket or thread2.Environment friendly, non-toxic ... ,as the materail ,quality, the size, the color, etc. BS pvc ball valve dn40