b'MULTI-WAY BALL VALVES - APPENDIXA P P E N D I X A C O N T.TABLE 1JSEAT BREAK TORQUE VALUES T-PORT BV-509ABreak to Open Torques at Differential Pressures shown (rP), Standard Seats (TFM1600 & PTFE)Unit: in-lb / N-mSize/rP 75 psig 150 psig 300 psig 700 psig5 bar 10 bar 20 bar 50 bar1/2 15 9.9 88 9.9 88 11 96.8 11 96.83/4 20 15.4 136.4 15.4 136.4 16.5 146.3 16.5 146.31 25 19.8 174.9 19.8 174.9 20.9 184.8 24.2 214.51 1/4 32 27.5 243.1 28.6 253 29.7 262.9 36.3 321.21 1/2 40 38.5 341 41.8 369.6 46.2 409.2 50.6 447.72 50 49.5 437.8 55 486.2 61.6 545.6 71.5 632.52 1/2 65 77 680.9 86.9 768.9 94.6 837.1 110 973.53 80 121 1070.3 134.2 1188 151.8 1343.1 176 1557.64100 209 1849.1 229.9 2035 255.2 2258.3 291.5 2579.55 125 396 3504.6 429 3797.2 506 4478.1 638 5646.36 150 638 5646.3 704 6230.4 770 6814.5 946 8372.18 200 748 6619.8 880 7788 1012 8956.2 1265 11128.7TABLE 1K TABLE 1LSEAT BREAK TORQUE VALUESSEAT BREAK TORQUE VALUES L-PORT BV-509A (FULL PORT) T-PORT BV-509A (FULL PORT)150 Class/20 Bar 150 Class/20 BarInch DN Torque Inch DN TorqueBTO (NM) BTO (NM)1/2 15 48.1 1/2 15 52.913/4 20 48.1 3/4 20 52.911 25 71.5 1 25 78.651 1/4 32 71.5 1 1/4 32 78.651 1/2 40 71.5 1 1/2 40 78.652 50 104 2 50 114.42 1/2 65 156 2 1/2 65 171.63 80 234 3 80 257.44100 286 4100 314.66 150 494 6 150 543.48 200 650 8 200 715Torques based on maximum differential pressure Torques based on maximum differential pressureSafety factor not included, 30% recommended Safety factor not included, 30% recommendedALL MODELS Other seat break torques as ratio/percentage of BTO:Run to open.3Run to close.3End to open.7End to close.75Break to close.922 Flowturn - Installation, Operation and Maintenance Manual'