Part of the valve with electric rotary device that the product is two worm gear transmission equipment distribution box, accompanied by a small electric equipment to obtain high torque output. For ball valves, butterfly valves, plug valves and other types of valves. Special type can output 360 ° angle. Technical parameters Model C8 # C9 # C10 # C11 # C12 # C13 # C14 # C15 # Ratio 318:1 378:1 396:1 486:1 486:1 600:1 600:1 600:1 pairing Denso Z20 Z30 Z45 Z60 Z90 Z120 Z180 Z250 input torque Nm 200 300 450 600 900 1200 1800 2500 Output torque Nm 10600 18900 27900 72900 72900 120000 180000 250000 900 900 900 rotary stroke 900,900,900,900,900 limit adjustment ± 50 ± 50 ± 50 ± 50 ± 50 ± 50 ± 50 ± 50 connection flange connection size (D) 300 350 415 475 550 650 800 1200 connecting hole center (D1) 254 298 356 406 483 590 720 1050 flange concave (D2) 200 × 5 230 × 5 260 × 5 300 × 8 370 × 8 490 × 8 600 × 8 900 × 10 holes: Aperture (NM) 8-M20 8-M20 12-M20 12-M20 12-M22 12-M27 12-M30 16-M30 shaft hole (dmin-max) 75-85 75-85 90-100 98-120 115-145 160-180 200-250 260-300 standard shaft hole (d) 80 80 90 110 130 160 200 260 flat key X number of X900 ( b) 22 × 2 22 × 2 28 × 2 28 × 2 32 × 2 32 × 2 36 × 2 45 × 2 mounting height (h) 120 120 150 180 195 205 250 300 A 577.5 627.5 753 873 1133 1273 1404 1770 B 272.5 272.5 327.5 327.5 423 423 520 520 C 555 590 687 787 922 1052 1359 1490 L 385 415 477 517 602 812 825 1025 H 150 150 170 200 220 240 350 405 Case diameter (Q) 340 410 480 590 690 840 1070 1400