Quarter-turn Worm Gear Operators for Manual Operation
AT Series
Description • Lean design whilst optimizing robustness and strength • Used for less critical applications • 27 models up to a torque of 350,000 Nm and F-60 mounting base • Grease filled for life • Fully sealed gearbox and completely enclosed gearing • Cast iron casing and ductile iron quadrant • Stroke 0-90° (+5° adjustable) • Zinc plated fasteners • High performance axial bearings • Epoxy primer coating is standard for gearbox • Powder coated handwheels for smooth and easy operation
Features • Housing material options (ductile iron / carbon steel / stainless steel) • Worm shaft, fasteners and hand wheel material option available in stainless steel • Worm wheel material option available in aluminum bronze • High temperature variant up to +200°C (+392°F) & low temperature variant up to -52°C (-61.6°F) available • Marine application (all exposed shafts and fasteners in stainless steel) • Finish painting is available on request • IP-67 standard enclosure (IP-68 available on request) • Padlock arrangement option available • Namur mounting option available for limit switch box fitment • Extension shaft for buried service available
Options • Top mounted / top operated version (“handwheel, chainwheel or electric actuator” to be mounted / operated from the top of the gearbox and not from the side) of AT-IS, CW and IS-EA series (all models) • Twin-shaft version available for some models of AT and AT-IS series to reduce no. of turns to close for manual operation (for models above AT-300/2/S3 and AT-300/1/S3-IS) • Stainless steel version of gearboxes available for applications in highly corrosive environments as well as food and beverage, pharmaceutical and sanitary facilities. Option available for all models of AT, AT-IS, IS-EA and CW series • Gearbox options as per API 6D specifications available for torques up to 3500 Nm • Part turn 180° operated gearbox option available up to 15000 Nm
A 10
B
9 8
7
6
Ød
CLOSE
AT 40
C 1000
12
AT 50
1500
14
20
F07, F10
10
40:1
D
2
40:14
10
44:1 48:1
REFER FIGAT(1) UPTO-AT 90 60:1 16 2000 60 FOR MODELS
5
30
5
Ø250
9 63
32 OP
7
Ø350
74
9.5
Ø350
110
36
90 128 A
86
176
116
210
70
140
47
20
82
198
137
226
81
168
44.5
20
62
20
64
20
78
20
E64
20
C
50
Ø500
86
214
156
242
83
Ø600
113
265
206
250
85
E
F
14338
E 122.5
98 Ø600 175
119.536 13354
95 Ø500 201 210
122.5 45 119.570
78
17643
116
19841
137
21445
156
65 265 74 F
206
161
Figure 1
F 245
90
305 108 245
G
A 128 140
232
23
268 35
G
232 39 47
253
12
249 15
325 20 20
F48,F60 265 F48,F60
.5
3
.5
.5
245 305 245 265
AT 90 355
1
338
7
3000
85
4000 100 110 4500
250 300 377
50 76
377
424
334
430
133
469
7
424
334
471
133
469
7
424
334 471 AT 90/1/S1
133 8000 469 162 10000 592
0
608
425 515 AT 100/1/S1
3
650
3
650
595 599 AT 150/1/S2
3
650
3
650
890
5
1154
595
654 AT 250/2/S2 595 656 AT 300/2/S3 595 656 AT 350/2/S3 729 789 AT 450/1/S3 729 789 AT 500/1/S3 729 872 AT 600/1/S3.5 1006 963 AT 750/1/S4 963 1006 AT 1000/1/S4 AT 1500/1/S5 AT 2000/1/S5 AT 2500/1/S6 AT 3000/1/S6 AT 3500/1/S6
199 15000 706
199
22500 706 706 28000 199 706 35000 276 960 45000 276 960 50000 960 276 60000 350 1292 75000 1292 350 100000 150000 200000 250000 300000 350000 199
76
65
88 88
7088 75100 100103 120103 103 210 103 253 170 270170 287170 340175 400175 600 860 1210 1630 2045 2482
Ød
F12,F14,F16 F25 90:1 22.5 F16,F25 B 20 F12,F14,F16 20 264:1 66 F25 20 F14,F16 20 292:1 73 F25 20 A 20 300:1 75 F16,F25 20 300:1 75 F25, F30 20 450:1 112.5 F25, F30 25 456:1 114 F25,BF30, F35 25 902:1 225.5 F25, F30, F35 25 VIEW FROM TOP 1114:1 AT 287.5 F25, F30, F35 CLOSE POSITION 30 1175:1 293.75 F30, F35, F40 30 1261:1 325.5 F30, F35,F40 30 1545:1 386.25 F30, F35,F40 30 1826:1 447 F40,F48 30 2635:1 656 F40,F48 4224:1 1056 F40,F48 F40,F48 5498:1 1374.5 7440:1 1860 F48,F60 F48,F60 9300:1 2325 F48,F60 11284:1 2821 80:1
20
20
60 804. 903. 602. 801.
SR. 80
°
110
6500
62
350
396
AT 70/3/S1
22
22.578
263
1154
20
9. A 8.
377
76
20
133
469
88
20
90 100 100 110 150 150 150 150 150 200 200 250 250 260 260 260
30
122.5 245 119.5 ASTM A536 80-55-06 WORM 58 WHEEL Ø600 133 305 38 COVER FG 200 122.5 G.B.TOP Ø500 245 119.5 FG 200 G. B.43HOUSING 41 JOB DESCRIPTIONØ600 MATERIAL113 265 45 65 Ø600 133 305 74 Ø600 151 348 84 Ø600 151 338 136 Ø600 157 424 140 Ø750 157 424 160 Ø750 157 424 292 Ø750 200 608 380 Ø750 203 650 REF.NO:C01 A137650 01 425 Ø750 203 REV.NO:00203 430 Ø750 650 DATE:9-4-2015 450 Ø750 203 650 313 890 1000 Ø900 Ø900 313 890 1200 385 1154 1800 Ø900 Ø900 385 1154 2000 2200 Ø1000 385 1154 INPUT 35 SHAFT
Ø500 AISI 1040
Contact us at
[email protected]
10.
T
9.
S
8.
S
7.
S
6.
S
5.
W
4.
IN
3. W THRUST B BEARING STD G 2. A536 G ASTM SPUR GEAR
SPUR PINION AISI1.4140G 7. SPUR COVER FGSR. 200 JO REFER FIG (2) FOR MODELS ABOVE-
View From Top At Close Position
45
268
3
20
76
110
CLOSE
324
263 352 AT 80/1/S1
5
10.
78
430 20
F25, F30, F35 287.5 143 95 201 38 TURNS Ø5005211 F30,ISO F35, F40 293.75 TO 176 116 210 43 MOUNTING CLOSE F30, F35,F40 325.5 137 198 226 41 Ø600 F30, F35,F40 386.25 8.25 156 F05, F07 214 242 45
B
AT 80
305
890
D
377
350
E
206
348
890
F
396
Note: Refer to Figure (1) for Models up to “AT-90” Refer to Figure (2) for Models above “AT-90”
3
3
110
Figure 2
1
3
100
20
45°
.5
250 85 62 MODELS ABOVE-AT H 90 F300
°
F40,F48198
214 F48,F60
A
45
F40,F48143
F40,F48176
300
A
45°
F40,F48136
B
C
45°
30, F35,F40
30, .5 F35,F40 110
263 334 64
84
G244
45°
30, F35, 2482F40 B
338 244 424 300 424 350
350
°
5, F30, 1630F35
5, F30, 2045F35
151 232 Ø600 253 84 23 12 157
100
45
5, F30, 1210F35
85
300
°
F25,860 F30
151
244
84
D
9
45
F25, 600 F30
Ød
83
A
°
F16,F25 400
133
E
45
F25 340
250
20 168 206 44.5 265REFER FIG (2)324 FOR 46 20 176 305 250 268 355 62 20 348 300 263 352
C
B
45°
F25 270
F14,F16 287
242
81
300
45°
F16,F25 210
12,F14,F16 253
Ø600 G Ø600
113
250
45°
120 F25
Ø600
226
G
H 90 REFER FIG F 46 (2) FOR 20 MODELS ABOVE-AT 176
OP
Ød
G
334 78 471 20 133 469 88 20 35 108 268 Ø750 305140 249 15 157100 A C A 6. SPUR HOUSING 424G 133 88 20 469 471 Ø750 150 160 45 39 20 157 128 244 334E 122.5 APPROX MAX. 245 RECOMMENDED 232 84 64 20 325 608 425 515 162 592 100 20 200 UNIT Ø750 150 292 E 5. 70 47 20 A 140 C A F D DRIVE G Ød WORM 119.5 HANDWHEEL BB300 WEIGHT BORE (mm) 650 250 595 199 103 20 706 599 Ø750 150 380 81 44.5 20 203 168 (Kg) 4. INPUT SHAFT 265 206 85 62 20 113 324 H F 49.5 110 78 23 12 650 595 654 199 706 103 25 203 161 36 90 Ø750 2.7 150 425 20 83 46Ø175 20 176 300 D 3. WORMB WHEEL 10.706 STD 63 136 98 78 54 35 B BEARING 15 108 THRUST 17520 203 650 595 199 103 25 656 447 5 Ø250355 F07, F10 20030 9 F40,F48 133 305430 268 Ø750 100 250 350 Ø600 6510 C 265 206 85 62 20 250 2.G A536 F40,F48 650 199 103 25 706 203 74 143377 595 95 76 45 39 GEAR 20 656 128 SPUR 20120 G.B.TOP 10 E TOP COVER 656 ASTM 80-55-06 Ø350352 7 9. Ø750 F07,F10, F12 151 20032 450 300 VIEW FROM 348 263 110 Ø600 74 OP ATB1. CLOSE POSITION 86 176 116 76 70 47 20 140 21020 F40,F48 313 890 276 170 30 789 9.5 263 Ø900 Ø350396 1000F25,860 F10,F12, F14 151 4224:1 AT 40112.5 44:1 1056 AT 1500/1/S5 25045 1000 30 150000 F3012 244 338 110 377 729 Ø600 60 122.5 100 8411 450:1 8.960 SPUR PINION AISI 4140G. B.AHOUSING 245 232 84 64 20 253 Ø500 12 334 Ø900 48:1 82 13788 81 44.5 20 168 198469 22620 AT 50 114 14 12 890 729 276 170 30 313 960 789 F10,F12, F40,F48 Ø500430 1500 1210F35 1374.5 AT 2000/1/S5 25050 1200 5498:1 35 200000 300 424 133 119.5 F25, F30, 80 456:1 Ø600 F14,F16157 110 136 JOBHDESCRIPTION 7. 176 SPUR COVER FGSR. 200 F 15 60:1 86 214469 15688 83 46 20 24220 16 15 F10,F12, 729 276 170 30 Ø500471 20 313 960 872 2000 F48,F60 AT 60 225.5 50 1630F35 1860 AT 2500/1/S6 250 1550 7440:1 58 250000 100 78 305 350 133 268 249 F25,Ø600 F30, 157 424 334 Ø900 133 Sr.890 90 902:1 Ø750 F14,F16 150 140 D No. Description Material US Standard IS Standard A A 6. 33 SPUR HOUSING FG 200 1154 250 F14,F16 1006 350 175 30 385 963 1292 2045 2325 260 9300:1 Ø900 300000 AT 3000/1/S6 F48,F60 2000 F25, F30, F35 244 157 424 334 133 88 20 469 471 60 AT 70 287.5 1114:1 Ø750 38 122.5 150 160 73:1 206Housing 85 20 A48-83 30A 250 3500Ø500 20 Ø600 ASTM IS 210 FG 200 80 1265 Cast300 Iron 62 84 64 245 18.25 232 20 113 325 36.5 1154 F25 963 350 175 1006 30 385 1292 Ø1000 2482 2821 260 11284:1 350000 AT 3500/1/S6 F48,F60 2200 5. AISI 1040/AISI 5120 WORM F30, F35, F40 119.5 608 300 425 515 162 592 100 20 200 80 293.75 1175:1 43 Ø750 150 292 ASTM A48-83 30A IS 210 FG 200 2 Top Cover Cast244 Iron 30 F12,F14,F16 60 122.5 650 250 595 199 103 20 706 203 599 F30, F35,F40 1261:1 AT 80 325.5 Ø750 41 150 380 4. AISI 1040 22 INPUT SHAFT 80:1 3000 245 232 84 64 20 253 20 Ø500 ASTM A70-50-05 SGI 500/7 265 206 85 62 20 119.5 113 324 3 Worm Wheel Ductile Ø600 80 35 300 Iron F25 650 300 595 654 199 706 103 25 203 80 F30, F35,F40 386.25 1545:1 Ø750 45 150 425 ASTM A536 80-55-06 3. 350Steel WORM 45C8 4305 InputB Shaft 58 100 Carbon 78B WHEEL 20A576-1045 268 249 90:1 305 22.5 268 F16,F25 24 Ø600656 20 133 4000F40,F48 AT 90 90 133 203100 650 350 595 78 199 103 25 706 Ø600 447 90 Ø750 355 1826:1 65 200 430 A A576-1045 45C8 5 706 Worm 25 Carbon G 60 650 377 FG 200 2. 244Steel 38 595 76 122.5 G.B.TOP COVER F 50 263 F12,F14,F16 151 199 Ø600 656 100 Ø750 352A 203110 74 232103 84 245 325 2635:1 200 Ø500656 20 4500F40,F48 AT 80/1/S1 264:1 348450 66 VIEW FROM64 TOP 20 300 ASTM A48-83 IS 210 FG 200 F25 119.5 80 6 960 Spur Housing Iron 43 729 76 ATCast CLOSE 151 338 263 Ø900 396 F40,F48 FG30A 200 313110 890 377 276 170 30 789 20 1. Ø600 G.POSITION B. HOUSING 4224:1 100 1056 84 250 1000 F14,F16 41 ASTM A48-83 30A IS 210 FG 200 7265960 206 Spur Cast250 Iron 62 334 Ø900 430 157 890 469 729 88 276 170 Cover 313133 Ø600 65 1374.5 110 136 250 85 20 32430 1200 5498:1 73 6500F40,F48 Ø600789 20 113 292:1 424 AT 70/3/S1 80 SR.300 JOB DESCRIPTION MATERIAL F25 REFER FIG (2) FOR 45 MODELS ABOVE-AT 90 8 960 A322-4140 40CrMo3 Spur Pinion Carbon Steel 157 424 334 471 133 469 88 20 890 729 276 170 30 313 872 F48,F60 Ø750 1860 150 Ø900 140 250 1550 7440:1 B A F16,F25 133 100 20 350 355 70 Ø600 8000 AT 90/1/S1 90 65 300:1 424 75 ASTM A70-50-05 SGI 500/7 93051292 268 Spur Ductile Iron 78 157 334 Ø900 471 350 175 Gear30 385133 1154469 1006 88 963 20 Ø750 2325 150 260 9300:1 160 F48,F60 2000 348 263 110 76 20 377 151 352 F25, F30 75 Ø600 10000 AT 100/1/S1 100 74 300:1 608 75 ASTM A295 52100 1154 425 515 162 592 100 20 200 10 Thrust Bearing Special Steel 963 350 175 1006 30 385 1292 Ø1000 2821 150C 11284:1 292 F48,F60 2200Ød EØ750 F 260 G D F25, F30 151 338 263 110 76 20 377 396 100 112.5 Ø600 15000 AT 150/1/S2 100 84 450:1 650 595 199 103 20 706 203 599 Ø750 150 380 424 334 133 88 20 469 157 430 F25, F30, F35 120 114 456:1 Ø600 22500 AT 250/2/S2 110 136 654 199 706 103 25 78 12 595 Ø750 161 36 150 425 90 203 23 650 F25, Turns F30, F35 424 Recommended 334 B 471 133 469 88 20 210 225.5 902:1 Ø750 28000 AT 300/2/S3 150 140 Output Mech. Max 25 157 199ISO 5211 103 706 656 98 54 15 595 108 203 35 650 175 Ø750 200 430 A Approx. Unit F25, F30, F35 C 150 424 334 133 88 20 469 471 253 Advantage 287.5 1114:1 Ø750 35000 AT 350/2/S3 160 Model Torque Ratio To Drive 25 157 Handwheel A B C D E F G Ød 199 103 706 656 95 45 20 595 Ø750 128 203 39 650 201 EMounting 200 450 G VIEW FROM TOP 515 Weight (Kg) F30, Close F35, F40 608 425 162 592 100 20 200 293.75 270 1175:1 Ø750 45000(Nm) AT 450/1/S3 150 292 ±10% Bore (mm) AT CLOSE POSITION 276A 170 30 960 789 116 70 20 729 140 313 47 890 210 Ø900 250 1000 B 595Ø175 599 199 103 20 706 2032.7 650 F30, F35,F40 325.5 1261:1 Ø750 50000250287 AT 500/1/S3 150 380 33:1 8.25 49.5 110 78 161 36 90 23 12 276F05, F07 170 20 30 960 789 137 AT 20 81 20 729 168 313 8 44.5890 226 Ø900 250 1200 595 199 706 103 25 203 F30, F35,F40 386.25 1545:1 Ø750 60000500340 AT 600/1/S3.5 150 425 H F07, F10 F 40:1 10 5 650 Ø250 654 63 136 98 175 54 108 35 15 156 AT 25 83 20 729 276 176 3131046 890 170 30 30 242 960 872 Ø900 B 250 1550 D 200 F40,F48 203 650 595 199 103 25 706 656 400 447 Ø750 1826:1 75000 AT 750/1/S4 430 REF.NO:10. STD A137 0120 700 250 38510 1154 40:1 10 F07,F10, F12 175 32 30 THRUST 7 BEARINGØ350 74 143 95 201 45 128C01 39 1006 350 963 1292 260 AT 30 Ø900 2000 F40,F48 650 595 199 103 25 203 706 656 2061000/1/S4 85 62 20 250 100000 600 656 Ø750 AT 2635:1 200 450 VIEW140 FROM REV.NO:00 TOP ASTM A536 80-55-06 1000 300 38511 1154 44:1 11 F10,F12, F14 175 459. 30 SPUR 9.5GEAR Ø350 86 176 116 210 70 47 20 963 350 1006 1292 Ø1000 260 AT 40 2200 AT CLOSE POSITION F40,F48 313 890 729 276 170 30 960 789 860 4224:1 Ø900 1056 150000 AT 1500/1/S5 250 1000 DATE:244 12.5 AT 50 1500 48:1 F40,F48 12 F10,F12, F14,F16 508. 12PINION Ø500 82 198 137 226 81 1689-4-2015 44.5 20 SPUR AISI 4140 890 729 276 170 30 313 960 789 1210 1374.5 Ø900 AT 250 1200 5498:1 2322000/1/S5 84 64 20 253 200000 300 AT 60 2500002000 15 60:1 F48,F60 15 F10,F12, F14,F16 50 86 214 156 242 83 176 46 20 SPUR FG 200 890 729Ø500 276 170 30 313 15COVER 960 872 1630 1860 Ø9007. AT 2500/1/S6 250 1550 7440:1 100 78 20 350 268 249 F14,F16 250 1154 1006FG 200 350 175 30 385 33HOUSING 1292 A 2000 2325 260 Ø900 AT 3000/1/S6 SPUR AT 70 30000035002045244 9300:1 18 73:1 F48,F60 18.25 806. Ø600 963 113 265 206 250 85 62 20 300 2323500/1/S6 84 64 20 325 350000 963 350 175 1006 30 38536.5 1154 1292 Ø1000 2482 2821 260 F252200 11284:1 AT F48,F60 5. AISI 1040/AISI 5120 WORM 300
C 253 AT32 350/2/S3 7 35000 7460 Ø350MECH. 1114:1 RATED F12,F14,F16 264:1 66 OUTPUT 270 ADVAN-1175:1 EMERSON AT45 450/1/S3 86RATIO 9.5 45000 Ø350 F25 80 TORQUE TAGE MODEL 287±10% 1261:1 500/1/S3 12 50000 (Nm)F14,F16 82 F12, F14,F16 AT50 Ø500 65 73 292:1 80 340 1545:1 250 Ø500 8633:1 F25 8 F12, F14,F16 AT 600/1/S3.5 50 AT 20 15 60000 40010 1826:1 500F16,F25 AT 750/1/S4 AT 25 7533 75000 40:1 F14,F16 70 90 300:1 113 Ø600 80 AT 30 700 F25, 600 40:1 AT 1000/1/S475 2635:1 36.5100000 F3010 F2575 100 300:1
100 12,F14,F16
84 245 136 90
Ø600
20
108
45
Ø500
11035 13658
15
39
54
201
12
Ø500
35
175
15
D
12
98
50
C
8
23
95
F10,F12, F14,F16
36.5 B 30
Ød
136
12
33
D
7
143
F
45
F10,F12, F14,F16
G
6
161
F10,F12, F14
15
F
10 78
ATIONS 'AT SERIES' (Quarterturn Manual Operation)
07,F10, F12 50 10,F12, F14
E
D
45°
CLOSE
B
49.5
C
11
73:1 MAX. DRIVE BORE 80:1 20 90:1 30
20 TURNS3500 ISO 5211 OP TO MOUNTING CLOSE 22 3000 8.25 F05, F07 24 4000 10 F07, F10
Ø175
F07,F10, F12
1
E
AT 70 RATIO
2.7
B
45°
MECH. ADVANTAGE ±10% 8
E
F05, F07
A
CLOSE
10
3
10
8.25
33:1
APPROX RECOMMENDED UNIT HANDWHEEL WEIGHT (mm) (Kg)
B
700
MAX. DRIVE BORE
E
A500
ISO 5211 MOUNTING
45°
AT 25 AT 30
TURNS TO CLOSE
CLOSE
G 250
AT 20
RATIO
B
MECH. ADVANTAGE ±10% 8
Ød
RATED OUTPUT TORQUE (Nm)
Ød
D
Quarter-turn Worm Gear Operators for Manual Operation
EMERSON MODEL
G
A
REFER FIG (2) FOR MODELS ABOVE PERFORMANCE SPECIFICATIONS 'AT SERIES' (Quarterturn Manual O
REFER FIG (1) FOR MODELS UPTO-AT 90 C
F14,F16 18.25 APPROX 80 RECOMMENDED F25 UNIT A HANDWHEEL E WEIGHT F12,F14,F16 (mm) 60 (Kg) AT 80 20 80 F25 49.5 2.7 Ø175 33:1 22.5 F16,F25 AT 90 6390 10 5 Ø250 40:1 F12,F14,F16 7460 10 Ø350 40:1 32 50F12 AT 80/1/S1 10 4500 F07,F10, 264:1 667 F25 8680 12 11 9.5 Ø350 F10,F12, F14 44:1 45 F14,F16 12 48:1 82 14 12 F10,F12, 65 F14,F16 Ø500 50 73 6500 292:1 AT 70/3/S1 80 LS UPTO-AT 90 F F14,F16 F25 G Ø500 15 60:1 86 16 15 F10,F12, 50 70 7533 A F16,F25 8000 F14,F16 AT 90/1/S1 90 300:1 APPROX MAX. RECOMMENDED 113 73:1 20 18.25 Ø600 80 SO 5211 AT 100/1/S1 UNIT10000 100E 300:1 36.5 F2575 A B75 CF25, F30D DRIVE HANDWHEEL OUNTING WEIGHT BORE F25, F30 100 112.5 (mm) AT 150/1/S2(Kg) 15000F12,F14,F16 100 30 7 8 60 6 122.5 10 450:1 22 80:1 F25,Ø500 F30, F35 120 114 456:1 AT20 250/2/S2 20 110 49.5 110 78 161 119.5 36 35 2.7 22500 Ø175 F05, F07 80 F25 D REFER902:1 FIG (1) 136 FOR MODELS UPTO-AT 90 F25,Ø600 F30, F35 210 225.5 AT 300/2/S322.5 150 6390 98 54 175 58 133 5 28000 F16,F25 90:1 Ø250 24 F07, F10 30
3
F
OP
232
253
84
268
249
100
232
325
84
206
324
85
268 263 263 334 334 334 425 595 595 595 595 729 729 1006 1006 1006
355 352 396 430 471 471 515 599 654 656 656 789 789 963 963 963
100 110 110 133 133 133 162 199 199 199 199 276 276 350 350 350
244 300 350 244 300 250 300 350 377 377 469 469 469 592 706 706 706 706 960 960 1292 1292 1292
64
20
78
20
64
20
62
20
78 76 76 88 88 88 100 103 103 103 103 170 170 175 175 175
20 20 20 20 20 20 20 20 25 25 25 30 30 30 30 30
FG 200
AISI 1040/A AISI 1040
ASTM A536 FG 200 FG 200
MATERI 10. TH 9.
SP
8.
SP
7.
SP
6.
SP
5.
W
4.
IN
3.
REF.NO:-
2.
W
C 0 G.9
REV.NO:-
G.
SR.
JO
1. DATE:-
