Technical Details of Highly Flexible Coupling

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Plugflex Coupling (Technical Data)

Normal Torque :
The touque to be transmitted by the coupling normal running TAN must be equal to or less than the normal rating of the coupling TKN at the given operating temperature.

TKN>=TAN.ST

Where engine torque is calculated from :

TAN(kgm)=974{P(kW)/n(min-1)} X S

[Safety factor S=1.3-1.75 on TAN is recommended depending on application.]

and temperature ST :

60°C
70°C
80°C
>80°C
ST
1.25
1.4
1.6
On request

Peak torque

Peak torques occuring momentarily in the system must not exceed the recommended maximum torque Capacity (TKMAX) of the coupling

TKMAX>=TMAX

 

Plugflex Flywheel Couplings

TECHNICAL DATA

Size / Type
PF 2.3
PF 2.6
PF 3
PF 4
PF 5
PF 6
PF 7
PF 8
PF 8D
PF 9
PF 9D
PF 10
PF 10D
PF 11
PF 11D
Nominal Torque
TKN
kgm
XR
XT
XP
33
36
40
50
60
70
80
90
100
120
135
155
180
200
250
310
345
420
460
520
630
620
700
780
1240
1400
1560
800
900
1000
1600
1800
2000
1100
1250
1400
2200
2500
2800
1600
1800
2000
3200
3600
4000
Max. Torque
TKMAX
kgm
XR
XT
XP
75
90
100
125
180
210
200
270
300
300
360
420
450
540
750
770
1000
1260
1000
1560
1890
1400
2100
2340
2800
4200
4680
1800
2700
3000
3600
5400
6000
2800
3700
4200
5600
7400
8400
4000
5400
6000
8000
10800
12000

 

FLYWHEEL CONNECTION - SERIES III

SIZE
SAE
MAX SPEED
D1
D2
D3
N
DA
Taper
D
DT
LB
LT
L2
L3
L4
L5
L6
LFT
LF1
LF2
Total
J 620
(rpm)
2)
mm
mm
mm
nos
mm
Bush No.
Max
Max
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
Weight (kg)
PF 2.3
6.5
7.5
8
10
4200
215.9
241.3
263.5
314.3
200
222.3
244.5
295.3
8.5
8.5
10.5
10.5
6
8
6
8
223
223
223
223
2012
2012
2012
2012
59
59
59
59
48
48
48
48
55
55
55
55
32
32
32
32
6
33
8
8
41
33
33
43
-
-
-
0
-
-
-
0
-
-
-
-
52±2
43±3
43±3
43±3
-
-
-
-
104
95
95
95
5.9
6.3
6.5
6.8
PF 2.6
8
10
11.5
4200
3600
2500
263.5
314.3
352.4
244.5
295.3
333.4
10.5
10.5
10.5
6
8
8
264
264
264
2517
2517
2517
64
64
64
60
60
60
66
66
66
45
45
45
33
10
10
38
38
38
3
3
3
3
3
3
11
11
11
42±4
42±4
42±4
74.0
74.0
74.0
105
105
105
6.7
7.0
7.3
PF 3
10
11.5
3600
3500
314.3
352.4
295.3
333.4
10.5
10.5
8
8
291
291
2517
2517
64
64
60
60
69
71
64
64
16
16
52
52
6
6
6
6
13
13
58±5
58±5
74.0
59.6
122
108
9.5
10.5
PF 4
11.5
14
3500
3000
352.4
466.7
333.4
438.2
10.5
13.0
8
8
319
319
3030
3030
79
79
75
75
102
88
76
76
16
16
60
60
8
8
8
8
21
21
68±5
68±5
106.6
92.4
167
153
19.9
20.7
PF 5
11.5
14
3200
3000
352.4
466.7
333.4
438.2
10.5
13.0
8
8
359
359
3535
3535
89
89
90
90
111
106
89
89
65
15
65
65
13
13
13
13
23
23
76±5
76±5
106.6
92.4
176
162
24.9
27.6
PF 6
14
16
18
3000
2400
2300
466.7
517.5
571.5
438.2
489.0
542.9
13.0
13.0
17.0
8
8
6
421
421
421
4040
4040
4040
99
99
99
100
100
100
103
103
103
102
102
102
18
18
18
80
80
80
10
10
10
10
10
10
20
20
20
92+5 / -10
92+5 / -10
92+5 / -10
92.4
92.4
92.4
175
175
175
36.5
38.8
40.8
PF 7
14
16
18
2600
2400
2300
466.7
517.5
571.5
438.2
489.0
542.9
13.0
13.0
17.0
8
8
6
466
466
466
4545
4545
4545
119
119
119
110
110
110
126
126
126
115
115
115
-
27
18
85
85
85
2/28.1)
2/28.1)
2/28.1)
2
2
2
12
12
12
87±6
87±6
87±6
92.4
92.4
92.4
165
165
165
56.0
57.5
60.8
PF 8
18
21
2300
2000
571.5
673.1
542.9
641.4
17.0
17.0
6
12
515
515
-
164
164
-
143
143
-
-
18
18
84
84
0
0
0
0
10
10
-
-
160
160
226
226
55.6
60.5
PF 9
18
21
2300
2000
571.5
673.1
542.9
641.4
17.0
17.0
6
12
561
561
-
149
149
-
141
141
-
-
35
35
92
92
0
0
0
0
9
9
-
-
132
132
238
238
69.5
78.8
PF 10
18
21
2300
2000
571.5
673.1
542.9
641.4
17.0
17.0
6
12
581
581
-
199
199
-
201
201
-
-
104
26
104
104
0
0
0
0
23
23
-
-
216
216
301
301
100.5
104.8
PF 11
21
24
2000
1800
673.1
733.4
641.4
692.2
17.0
21.0
12
12
683
683
-
219
219
-
211
211
-
-
85
20
111
111
0
0
0
0
24
24
-
-
233
233
313
313
205.9
214.5

Note :

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ESBI HI-FLEX PRIVATE LIMITED

Regd. Office : 8 Camac Street (6th floor), Kolkata - 700 017
Phone : 2282 3520/4844 Fax : 91 033 22829100 cable : ESBICOUP For further informations, please email us at : corporate@esbi.info


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