Pompetravaini MCU Series, Disassembly & Assembly Instructions, Page: 14 / 20

Disassembly & assembly instructions single stage centrifugal pumps
TC… - MCU-… 14
10 - ENGINEERING TABLES
Fig. 17 - Torque values for various bolt sizes
Torque values
(Nm)
300
200
100
20
50
15
30
40
60
70
80
150
4 6 8 10 12 14 16 18 20 22 24 26
MAX
MIN
DIAMETRO DEI FILETTI DELLE VITI
VAL
OR
I D
I SE
R
RAGGIO
IN N
m
Bolt diameter (mm) at threaded area
Tab. 2 - Pumps series
TCH - TCT - TCA
PUMP
MODEL
BEARINGS TYPE
RADIAL SEAL RINGS
TYPE for SHAFT
* MECHANICAL
SEAL
Ø (mm)
PACKING RINGS
Dim. x N° rings (mm)
OIL
KG.
Design
/1
Design
/1X
Design
/1
Design
/1X
Design
/1
Design
/1X
Design
/1
Design
/1X
Gr
oup
1
25-125
N°2
6305
(25x62x17)
Seal side
N°1
NU207
(35x72x17)
Drive side
N°2
7207
(35x72x17)
N°2
AS25357
(25x35x7)
Seal side
N°1
AS35477
(35x47x7)
Drive side
N°1
AS30527
(30x52x7)
On sleeve
Ø30
On shaft
Ø24
On sleeve
Ø35
On shaft
Ø30
D
i
= 30
D
e
= 51
H = 10
N° = 4
D
i
= 35
D
e
= 51
H = 8
N° = 4
0,45
25-160
25-200
32-125
32-160
32-200
40-125
40-160
40-200
50-125
50-160
50-200
Gr
oup
2
32-250
N°2
6307
(35x80x21)
Seal side
N°1
NU309
(45x100x25)
Drive side
N°2
7309
(45x100x25)
N°2
AS35477
(35x47x7)
Seal side
N°1
AS45658
(45x65x8)
Drive side
N°1
AS40627
(40x62x7)
On sleeve
Ø45
On shaft
Ø35
On sleeve
Ø50
On shaft
Ø43
D
i
= 45
D
e
= 70
H = 12
N° = 4
--- 0,90
40-250
40-315
50-250
50-315

65-125
65-160
65-200
65-250
80-160
80-200
80-250
100-200

For dimensions of pumps model TCT 50-315 see pumps model TCT 65-315
* According to DIN 24960 standards
H
Di De