5.
DATA
IOM manual Tapflo Hose pumps
50
5.5.
Tightening torques
Checking of the tightening torques is necessary after all periods of stoppage, when
temperature variations are a factor and after all transport and maintenance of the pump.
What is more, for proper operation and safety the torque values should be checked frequently
as part of preventive maintenance (please contact Tapflo for interval proposals). Although
pump applications vary, a general guideline is to re-torque the pump every two weeks.
Item
Bolt
pos.
Name
TPRQUE [Nm]
PT5-20
PT25
PT32-40 PTX40 PT50-65 PTX80
PT80
A
141
Front cover
3.3
7.8
27
27
65
65
65
B
901
Shoe
-
46
79
79
402
402
402
C
411
Sight glass
-
3.3
3.3
3.3
3.3
3.3
3.3
D
271
Clamp band big - casing
4
4
4
4
4
4
4
E
272
Clamp band small
–
hose
12
16
30
30
30
30
45
F
273
2-piece hose clamp
12
50
50
50
50
50
50
G
174
Casing
8
15
27
27
65
127
127
H
113
Gearmotor
34
67
116
116
116
291
291
I
16
Clamping set
12
13
13
27
35
110
110
Содержание PT CIP
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