Two-stage electric worm gear box

Partial rotary valve with electric device
This product is a two-stage gear variable speed power distribution equipped with a worm gear box, coupled with a small electric device to obtain a large torque output.Suitable for ball valves, butterfly valves, plug valves and other valves.The special type can output 360° rotation angle.

Technical Parameters
model	C8#	C9#	C10#	C11#	C12#	C13#	C14#	C15#
Speed ​​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
Rotation stroke	900	900	900	900	900	900	900	900
Limit adjustment	± 50	± 50	± 50	± 50	± 50	± 50	± 50	± 50
Connection size
Connecting flange (D)	300	350	415	475	550	650	800	1200
Center of connecting hole (D1)	254	298	356	406	483	590	720	1050
Flange concave surface (D2)	200 × 5	230 × 5	260 × 5	300 × 8	370 × 8	490 × 8	600 × 8	900 × 10
Number of 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
Number of flat keys X X900(b)	22 × 2	22 × 2	28 × 2	28 × 2	32 × 2	32 × 2	36 × 2	45 × 2
Installation 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
Outer diameter of box (Q)	340	410	480	590	690	840	1070	1400