stainless steel ball valve,3 ways ball valve,3-ways ball valve,female thread ball valve,WenZhou ball valve ... .0 , 6.4 Mpa Strength testing pressure PT 2.4 , 3.8 , 6.0 , 9.6 , Seat testing pressure(low pressure ... H W 6 1/ 4’ 70 12 58 110 10 3/ 8’ 70 12 58 110 15 1/ 2’ 70 12 ... 58 110 20 3/ 4’ 83 14 60 120 25 1’ 90 18 70 ... ’ 138 32 95 180 50 2’ 155 38 100 200 3 way ball valveDN15