b'MULTI-WAY BALL VALVES - APPENDIXA P P E N D I X A C O N T.TABLE 1AFLANGE BOLT & STEM NUT TORQUE REQUIREMENTS (NM) BV509 FLANGED END VALVES 150/300 CLASS PN10/16/25Torque Figure Body Flange Bolts Torque Figure Stem NutBolt Size - Unit Min. (NM) Max. (NM) Valve Size NM5/16-18UNC-2A 9 12 15 1/2 8.0 ~ 9.0/M8*1.25 10 13 20 3/4 8.0 ~ 9.03/8-16UNC-2A 17 21 25 1 9.0 ~ 11.3M10*1.5 19 23 32 1 1/4 9.0 ~ 11.37/16-14UNC-2A 26 32 40 1 1/2 15.8 ~ 18.1M12*1.75 33 40 50 2 15.8 ~ 18.11/2-13UNC-2A 40 48 65 2 1/2 20.4 ~ 22.6M14*2 53 62 80 3 20.4 ~ 22.69/16-12UNC-2A 56 72 100 4 28.3 ~ 30.65/8-11UNC-2A 80 100 125 ~ 150 5 ~ 6 34.0 ~ 39.6M16*2 85 105 200 8 65.6 ~ 71.3M18*2.5 120 1453/4-10UNC-2A 145 170M20*2.5 155 180M22*2.5 220 2507/8-9UNC-2A 230 260M24*3 280 320TABLE 1BLOCKING CAP & STEM NUT TORQUE (NM) THREADED BODY REDUCED PORT BV-L50Torque Figure Locking Cap (NM) Torque Figure Stem NutValve Size NM Valve Size NM8 ~ 10 1/4 ~ 3/8 140 8 ~ 10 1/4 ~ 3/8 9 ~ 1215 1/2 140 15 1/2 9 ~ 1220 3/4 160 20 3/4 9 ~ 1225 1 200 25 1 12 ~ 1632 1 1/4 325 32 1 1/4 12 ~ 1640 1 1/2 470 40 1 1/2 17 ~ 2250 2 580 50 2 17 ~ 22TABLE 1CLOCKING CAP & STEM NUT TORQUE (NM) THREADED BODY FULL PORT BV-L53Torque Figure Locking Cap (NM) Torque Figure Stem NutValve Size NM Valve Size NM8 ~ 10 1/4 ~ 3/8 140 8 ~ 10 1/4 ~ 3/8 9 ~ 1215 1/2 140 15 1/2 9 ~ 1220 3/4 160 20 3/4 12 ~ 1625 1 200 25 1 12 ~ 1632 1 1/4 325 32 1 1/4 17 ~ 2240 1 1/2 470 40 1 1/2 17 ~ 22Flowturn - Installation, Operation and Maintenance Manual 19'