A φD2 H1 H L A2 A3 A1 Rc-P (a) AIR PIPE OPENING Rc-P (b) AIR PIPE OPENING A2 A1 A3 A4 96 75 L H H1 I φ220 085 BUTTERFLY VALVE / BUTTERFLY VALVE TYPE 75 TYPE S Three-Phase AC200V ・ Three-Phase AC400V AUTOMATIC ELECTRIC AUTOMATIC PNEUMATIC TYPE TW AIR TO OPEN AIR TO CLOSE DOUBLE ACTING ACTUATOR SELECTION CHART For detailed specifications, see P.124 SIZE ACTUATOR TYPE 450mm ( 18inch) 500mm ( 20inch) TW-250D 600mm ( 24inch) ACTUATOR SELECTION CHART For detailed specifications, see P.135 SIZE ACTUATOR TYPE 450mm (18inch) LTRM-01/BRM2 (AUTOMATIC RETURN MECHANISM) or LTRH-01/BRM2 (MANUAL RETURN MECHANISM) 500mm (20inch) 600mm (24inch) mm L D1 D2 H H1 A A1 A2 A3 P 450 179 525 340 825 315 450 537 88 214 3/8 500 190 575 340 855 350 450 537 88 214 3/8 600 209 686 340 920 424 450 537 88 214 3/8 mm L D3 H H1 A1 A2 A3 A4 450 179 468 315 752 430 116 126 409 500 190 498 350 782 430 116 126 409 600 209 563 424 847 430 116 126 409 inch mm L D1 D2 H H1 A A1 A2 A3 P 18 450 7.05 20.67 13.39 32.48 12.40 17.72 21.14 3.46 8.43 3/8 20 500 7.48 22.64 13.39 33.66 13.78 17.72 21.14 3.46 8.43 3/8 24 600 8.23 27.01 13.39 36.22 16.69 17.72 21.14 3.46 8.43 3/8 inch mm L D3 H H1 A1 A2 A3 A4 18 450 7.05 18.43 12.40 29.61 16.93 4.57 4.96 16.10 20 500 7.48 19.61 13.78 30.79 16.93 4.57 4.96 16.10 24 600 8.23 22.17 16.69 33.35 16.93 4.57 4.96 16.10 ■ JIS, DIN (Unit: mm) ■ JIS, DIN (Unit: mm) ■ ANSI (Unit: inch) ■ ANSI (Unit: inch) BUTTERFLY VALVE TYPE 75 TYPE――A75S　 CONNECTION / WAFER――JIS, DIN, ANSI BUTTERFLY VALVE TYPE 75 TYPE――A75K　 CONNECTION / WAFER――JIS, DIN, ANSI