... : Nominal pressure PN 1.6 , 2.5 , 4.0 , 6.4 Mpa Strength testing pressure PT 2.4 , 3.8 , 6.0 , 9.6 , Seat testing pressure ... (low pressure) 0.6 Seat testing ... (PTFE) Main Outer Size: DN G L d H W 6 1/ 4’ 70 12 58 110 10 3/ 8’ 70 12 ... 32 95 180 50 2’ 155 38 100 200 3 way ball valveDN15