... & ASTM STANDARD 5 SIZE : FM 63MM TO 250MM 1. PVC BUTTERFLY VALVE 'S STRUCTURE : BALL2. PRESSURE : PN103. WORKING TEMPERATURE : NORMAL4. USAGE ... , 160MM, 20MM, 150MM 2", 2-1/2", 3", 4", 6", 8", 10" 7. CONNECTION TYPE : WITH FLANGE8. BRAND NAME : IF LARGE ... IF LARGE QUANTITY11. TECHNICS : INJECTION FOR PARTS, COMPACT INSTALLING PVC BUTTERFLY VALVEFEATURE OF PVC BALL VALVE :1. DURABLE IN USAGE FOR ...