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Two-stage worm gear box

Ever-Power Machinery provides customers with high-qualityTwo-stage worm gear box product.Adhering to the tenet of "Quality First, Integrity Service", we will provide users with high-quality products and services with reasonable prices and reliable quality!

电子邮件:[email protected]

Partial rotary valve manual device
This product is a 90° rotation drive device, suitable for ball valves, butterfly valves, plug valves and other valves.The special type can output 360° rotation angle.There are 12 models in total.Usually add a worm gear reduction mechanism.In order to reduce the manual operation force.

Technical data
model	3	4	5	6	7	8	9	10	11	12	13	14
Speed ratio	399:1	409:1	513:1	450:1	550:1	500:1	600:1	1580:1	1950:1	2350:1	2650:1	2650:1
Input torque Nm	78	98	112	122	133	156	156	156	195	195	195	250
Output torque Nm	2334	3006	4309	4000	5480	5850	7020	18500	28500	34500	39000	50000
Rotation stroke	90 °	90 °	90 °	90 °	90 °	90 °	90 °	90 °	90 °	90 °	90 °	90 °
Limit adjustment	5 ° ±	5 ° ±	5 ° ±	5 ° ±	5 ° ±	5 ° ±	5 ° ±	5 ° ±	5 ° ±	5 ° ±	5 ° ±	5 ° ±
Connection size
Connecting flange φ	125	150	175	210	260	300	350	415	475	560	650	800
Connecting hole center φ	102	125	140	165	200	254	298	356	406	483	590	720
Flange concave φ	70 × 3	85 × 3	100 × 4	130 × 5	160 × 5	200 × 5	230 × 5	260 × 5	300 × 8	370 × 8	490 × 8	600 × 8
Aperture: Number of holes	M10 × 4	M12 × 4	M16 × 4	M20 × 4	M16 × 4	M16 × 8	M20 × 8	M20 × 10	M20 × 12	M22 × 12	M27 × 12	M30 × 12
Diameter of shaft hole mm	24	30	36	40	40	60	80	90	110	130	160	200
Flat key size × number × position	8 × 1	10 × 1	12 × 1	12×2× 90 °	16×2× 90 °	18×2× 90 °	22×2× 90 °	28×2× 90 °	28×2× 90 °	32×2× 90 °	32×2× 90 °	36×2× 90 °
Installation height	62	68	75	105	110	120	120	150	180	195	205	250
Handwheel diameter φ	240	180	320	350	400	500	500	500	600	600	600	600
Valve Participation
Butterfly valve with DN	125-150	200-250	300-350	400-450	500-500	700	800	900-1000	1100-1200	1400-1600	1800-2000	2400
Ball valve with DN	80	100	150	200	250-300	350	400	500	600	800	1000	1200

Two-stage connection data sheet

外形尺寸
model	位置
model	A	B	C	D	E	F	G	H	h	2-b	NM deep L	d	φ	Weight kg
QDX3-S6	470	500	320	250	290	170	170	125	105	10	4-M20 32	45	320	451
QDX3-S7	515	525	340	290	300	200	190	140	110	15	8-M16 28	50	350	58
QDX3-S8	550	590	360	335	350	260	220	170	125	18	8-M16 40	75	400	90
QDX3-S9	630	710	435	400	400	285	350	210	130	22	8-M20 45	80	500	116
QDX3-S10	820	790	580	415	425	356	310	230	140	28	12-M20 40	90	500	195
QDX3-S11	850	940	560	475	450	406	350	280	165	28	18-M20 40	110	500	300
QDX3-S12	1030					483		330	195	32	18-M22 50	130	500	600
QDX3-S13	1150					590		400	205	32	18-M27 50	160	500	1000
QDX3-S14	1520					720		450	250	36	18-M30 50	200	600	2000

Two-stage worm gear box

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