Single-stage worm gear box

Partial rotary valve manual device
This product is a 90° rotation drive device, suitable for ball valves, butterfly valves, plug valves and other types of valves.The special type can output 360° rotation angle.There are 10 models in total.



Ordinary connection data sheet

外形 尺寸
model	位置
	A	B	C	d	h	H	φ	φ1	2-b	NM deep L	Weight kg
QDX3-2	215	190	68	90	52	50	160	70	5	4-M8 12	8
QDX3-3	265	235	86	125	62	68	250	103	8	4-M10 23	13
QDX3-4	315	270	81	150	68	80	250	124	10	4-M12 23	16
QDX3-5	385	320	94	175	75	100	320	130	12	4-M16 25	23
QDX3-6	425	355	121	210	105	120	350	166	12	4-M20 37	37
QDX3-7	470	420	125	260	110	140	350	200	16	8-M16 27	48
QDX3-8	610	540	150	300	120	160	500	254	18	8-M16 27	71
QDX3-9	680	550	160	350	120	188	500	398	22	8-M20 45	95
QDX3-10	780	620	180	415	150	230	500	356	28	12-M20 50	160

Ordinary connection data sheet

Technical data
model	2	3	4	5	6	7	8	9	10
Speed ​​ratio	30:1	42:1	43:1	54:1	48:1	58:1	53:1	63:1	66:1
Input torque Nm	40	78	98	112	122	133	156	156	156
Output torque Nm	300	820	1050	1500	1460	1920	2060	2460	2574
Rotation stroke	90 °	90 °	90 °	90 °	90 °	90 °	90 °	90 °	90 °
Limit adjustment	5 ° ±	5 ° ±	5 ° ±	5 ° ±	5 ° ±	5 ° ±	5 ° ±	5 ° ±	5 ° ±
Connection size
Connecting flange φ	90	125	150	175	210	260	300	350	415
Connecting hole center φ	70	102	125	140	165	200	254	298	356
Flange concave φ	55 × 3	70 × 3	85 × 3	100 × 4	130 × 5	160 × 5	200 × 5	230 × 5	260 × 5
Aperture: Number of holes	M8 × 4	M10 × 4	M12 × 4	M16 × 4	M20 × 4	M16 × 8	M16 × 8	M20 × 8	M20 × 12
Diameter of shaft hole mm	14 ~ 18	22 ~ 26	28 ~ 32	35 ~ 38	38 ~ 48	45 ~ 58	55 ~ 70	75 ~ 85	90 ~ 100
Flat key size × number × position	5 × 5	8 × 7	10 × 8	12 × 8	12 × 8 × 2 × 90 °	16 × 10 × 2 × 90 °	18 × 11 × 2 × 90 °	22 × 14 × 2 × 90 °	28 × 16 × 2 × 90 °
Installation height	52	62	68	75	105	110	120	120	150
Handwheel diameter φ	160	240	280	320	350	400	500	500	500
Valve Participation
Butterfly valve with DN	80-100	125-150	200-250	300-350	400-450	500-500	700	800	900-1000
Ball valve with DN	50	80	100	150	200	250-300	350	400	500