... & ASTM STANDARD 5 SIZE : FM 63MM TO 250MM 1. PVC BUTTERFLY VALVE 'S STRUCTURE : BALL2. PRESSURE : PN103. WORKING TEMPERATURE : NORMAL4. USAGE : USED ... -1/2", 3", 4", 6", 8", 10" 7. CONNECTION TYPE : WITH FLANGE8. BRAND NAME : IF LARGE QUANTITY NEEDED, WE ACCEPT USING ... SELLER, IF SERVICE PROBLEM, BUYER CAN COMPLAIN TO THE BOSS WITH HIS MOBIL NO. : 13586118988. (MR. WU )5. WORKERS : 250 PEPOEL ...