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Quarter turn Gear Box: Worm Gear Box
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WORM GEAR BOX

Quarter turn application suitable for Butterfly, Ball & Plug valves.

S. No. Model Red. Ratio Factor F Max Output
Toruqe kgm.
Drive Bore
Max. mm
Aprox.
Wt. kgs.
1 WG30 30 : 1 10 200 45 35
2 WG50 50 : 1 17 350 80 70
3 WG75 75 : 1 22 500 100 120
4 WG100 100 : 1 30 660 127 200
5 WG200 190 : 1 58 1250 100 170
6 WG250 250 : 1 76 1400 127 250
7 WG400 400 : 1 120 2400 127 260
8 WG1000 800 : 1 240 5400 180 480

CONSTRUCTIONAL DETAILS

  Description
The "MARSH" make WG gear units are the quarter turn worm gear operations, specially designed to operate valves that turn thru 90°. These include, ball, butterfly, plug valves and also the dampers. Adjustable, mechanical stoppers are provided to set the operator within ±5% of the extreme end positions. A mechanical position indicator is provided on these units to show the valve position (OPEN & SHUT).
WORM GEAR BOX: Constructional Details
Sr. No. Qty Description Material
1 1 Main Housing CI (FG220)
2 1 Cover CI (FG220)
3 1 Input Shaft EN8
4 1 Worm EN8
5 1 Worm Wheel Ring P.BR./SGIRON/AB2C
5A 1 Worm Wheel Hub CI (FG220)
     
MODEL
RATIO
PERFO - RRMANCE FACTOP ±10%
MAXIMUM OUTPUT TORQUE
DIAMETER OF DRIVE BORE MM
MOUNTING FLANGE AS PER IS : 5211
ELECTICAL FLANGE SIZE
NM
MKG
Min
Max
Min
Max
MP AC - 03E
45:1
14
1765
180
30
52
F12
F16
F10/F14
MP AC - 03AE
45:1
15
2550
260
30
65
F12
F25
F10/F14
MP AC - 05AE
60:1
19
7150
730
40
100
F16
F25
F12/F14
MP AC - 06AE
54:1
18
13730
1400
60
110
F25
F30
F12/F14
MP AC - 07E
60:1
19
19620
2000
60
120
F25
F35
F14/F16
MP AC - 08AE
80:1
23
32373
3300
60
160
F25
F35
F14/F16
MP AC - 10E
66:1
19
50031
5100
60
170
F30
F40
F14/F16
     
 
13
12
-
Painting
Red oxide primer
11
-
Grease
Multipurpose
10
-
Fasteners
HT 8.8Gr
9
1
Key
EN8
8
1
Adaptor
CIFG-220
7
1
End Cover
CIFG-220
6
1
Ball Bearing
ALLOY STEEL
5
1
Worm Shaft
EN19
4
1
Indicator
CIFG-220
3
1
Worm Wheel
SGI 600/3
2
1
Cover
CIFG-220
1
1
Housing
CIFG-220
I. No.
QTY
DESCRIPTION
MATERIAL
     
     

 

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