b'MULTI-WAY BALL VALVES - APPENDIXA P P E N D I X FFLOW PATTERNS BV509/BV509A/SL8142-FZT PORT FLOW PATTERNS0 90 180 270Multi TurnPosition 1 Position 2 Position 1 Position 2 Position 1 Position 2 Position 1 Position 2Flow Plan A Flow Plan B Flow Plan C Flow Plan D90 TurnL PORT FLOW PATTERNSPosition 1 Position 2Traditional Flow Plan A90 TurnPosition 1 Position 2 Position 3Alternative Flow Plan B180 Turn28 Flowturn - Installation, Operation and Maintenance Manual'