... For more than 10 sizes of this kind valve UPVC Ball Valve:With Socket and Thread EndSize:1/2",3/4 ... 50 years of service life under normal condition12) Working temperature: 0-60°C NOPARTMATERIALQTY1BODYU-PVC,C-PVC,ABS12SEAT SEALTPE,TPV23STEM O ... -RINGEPDM,FPM,NBR14BALLUPVC,ABS,PP15HANDLEABS,PVC,PP16CAPABS,PVC1 octagonal pvc ball valve