Description:
LYAB series gear boxes are made of cast iron. Adopted to full sealing design and axial bearing structure, so these products can be widely used in chemical, power, waterworks and most of general industries.
Application:
Suitable to connect butterfly valves, ball valves and plug valves.
Feature:
Output torque can reach to 32000N/M (283224lbf,in.).
Simple construction and easy to maintain.
Worm gear can lock by itself and enjoy high transmission efficiency.
Axial needle bearings design, so high mechanical efficiency granted.
Max output torque: 1.3 times rated output torque.
There are different sizes of wheel hand for customers' selection, also the surface of gear boxes can be coated at customers' demands.
Options:
1.Locking Mechanism.
2.Limit Switches.
Applicable Environment:
1.Apply to general environment, protection level can reach to IP67.
2.Apply to prolonged underwater environment, protection level can reach to IP68.
3.Apply to poor working conditions, protection level can reach to IP68.
Applicable Temperature:
-20℃~120℃
Notice:
1. Customers can select the right model from the parameters of gear boxes, also can send parameters and demands to us to look for help.
2.Other types can be designed and developed at customers' demands.
Main parts of LYIW series worm gear operator
|
Item
|
Discription
|
Qty
|
Material
|
Optional Material
|
|
1
|
Housing
|
1
|
DI400-18
|
WCB GB12229-88
|
|
2
|
Worm gear
|
1
|
QT500-7GB1345-88
|
|
|
3
|
Cover
|
1
|
HT200 GB9439-88
|
|
|
4
|
Worm Gear
|
1
|
40CrNi GB3077-88
|
WCB GB12229-88
|
|
5
|
Big Gear
|
1
|
ZC310-570
|
45 GB699-88
|
|
6
|
Gear Shaft
|
1
|
45 GB699-88
|
|
|
7
|
Ring
|
1
|
45 GB699-88
|
|
Technical specification of LYIW series worm gear operator
|
Model
|
Ratio
|
Travel Max
|
Limit Adjust
|
Rating Input
|
Rating Output
|
Valve Size Range
|
|
LYIW280
|
208:1
|
90
|
±5℃
|
36
|
2950
|
DN400-DN500
|
|
LYIW480
|
480:1
|
90°
|
±5℃
|
120
|
23000
|
DN1000
|
|
LYIW540
|
540:1
|
90°
|
±5℃
|
200
|
26000
|
DN1050
|
|
LYIW720
|
720:1
|
90°
|
±5℃
|
200
|
34000
|
DN1300
|
|
LYIW960
|
960:1
|
90°
|
±5℃
|
240
|
46000
|
DN1500
|
|
LYIW1080
|
1080:1
|
90°
|
±5℃
|
240
|
51000
|
DN1650-DN1800
|
|
LYIW1440
|
1440:1
|
90°
|
±5℃
|
240
|
69000
|
DN1900-DN2200
|
|
LYIW2190
|
2190:1
|
90°
|
±5℃
|
240
|
105000
|
DN2400
|
|
LYIW2530
|
2530:1
|
90°
|
±5℃
|
240
|
145000
|
DN2500
|
|
LYIW3000
|
3000:1
|
90°
|
±5℃
|
240
|
175000
|
DN2750
|
|
LYIW4200
|
4200:1
|
90°
|
±5℃
|
240
|
185000
|
DN3000
|
Dimension table of LYIW series worm gear operator
|
Model
|
b
|
d
|
t
|
n-m
|
D
|
D1
|
A
|
E
|
C
|
Ø
|
h
|
Weight(Kg)
|
|
LYIW280
|
48
|
14
|
51.8
|
4-M16
|
105
|
140
|
450
|
374
|
222
|
150
|
145
|
35
|
|
LYIW480
|
153
|
40
|
162.4
|
8-M16
|
245
|
254
|
860
|
708
|
520
|
610
|
100
|
222
|
|
LYIW540
|
|
LYIW720
|
|
LYIW960
|
178
|
45
|
188.4
|
8-M20
|
284
|
298
|
1000
|
784
|
598
|
610
|
145
|
290
|
|
LYIW1080
|
178
|
45
|
188.4
|
8-M20
|
284
|
298
|
1000
|
784
|
598
|
610
|
145
|
290
|
|
LYIW1440
|
203
|
50
|
214.6
|
8-M30
|
355
|
356
|
1208
|
882
|
750
|
610
|
189
|
408
|
|
LYIW2190
|
203
|
50
|
214.6
|
8-M30
|
355
|
356
|
1208
|
882
|
750
|
610
|
189
|
408
|
|
LYIW2530
|
203
|
50
|
214.6
|
8-M36
|
380
|
406
|
1203
|
1002
|
790
|
610
|
145
|
570
|
|
LYIW3000
|
|
LYIW4200
|
175
|
63
|
217.4
|
8-M36
|
438
|
483
|
1257
|
1042
|
864
|
610
|
189
|
1220
|
