... , 4.0.6.4 MPa Strength testing pressure Pt 2.4, 3.8, 6.0, 9.6 Seat testing pressure( ... pressure) 0.6 Seat testing pressure(high pressure) 1.8, 2.8, 4.4, 7.1 Applicable medium Q 11F -(16 ... 90 10 3/8 12 65 50 90 15 1/ 2” 15 70 55 100 20 3/4 20 80 60 ... 40 1 1 1/ 2’ 38 120 90 180 50 2” 50 140 105 200 65 2 1 1/ 2’ 64 160 120 240 ...