A2 A1 A3 A4 96 75 L H H1 I φ220 077 BUTTERFLY VALVE / BUTTERFLY VALVE TYPE 57 TYPE S Three-Phase AC200V ・ Three-Phase AC400V AUTOMATIC ELECTRIC ACTUATOR SELECTION CHART For detailed specifications, see P.135 SIZE ACTUATOR TYPE 300mm (12inch) LT R M - 0 1 / B R M 1 (AUTOMATIC RETURN MECHANISM) or LT R H - 0 1 / B RM1 (MANUAL RETURN MECHANISM) 350mm (14inch) mm L H H1 l A1 A2 A3 A4 300 129 387 244 671 394 95 105 400 350 129 414 270 698 394 95 105 400 ■ JIS, DIN (Unit: mm) inch mm L H H1 l A1 A2 A3 A4 12 300 5.08 15.24 9.61 26.42 15.51 3.74 4.13 15.75 14 350 5.08 16.30 10.63 27.48 15.51 3.74 4.13 15.75 ■ ANSI (Unit: inch) BUTTERFLY VALVE TYPE 57 TYPE――A57S　 CONNECTION / WAFER――JIS, DIN, ANSI