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Disassembly & assembly instructions single stage centrifugal pumps series TCHM & TCTM
6
5 - NOMENCLATURE OF PUMP PARTS
VDMA
N°
DESCRIPTION
VDMA
N°
DESCRIPTION
102
Suction casing
485
Seal locating ring
110
Spacer ring
502.1 Wear ring
161
Casing cover
542
Mechanical seal bush
183 Suppor
t foot
562 Pin
210 Shaf
t
901... Screw
230 Im
peller
902... Stud
320 Ball
bearing
903... Plug
341 Lanter
n
904 G
rub screw
400.1 Gasket
925
Impeller locking nut
421
Radial seal ring
932... Circlip
433.2 Mec hanical seal
940... Key
6 - ENGINEERING TABLES
Fig. 3 - 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
Bolt diameter (mm) at threaded area