6.4 Assembly Procedure for mechanical seal pumps
6.4.1 Check the “O” rings of impeller’s for cut or flows, discard if faulty, lubricate and
roll the “O” ring in groove.
6.4.2 Wipe over the shaft (180) with clean light oil.
6.4.3 Place the impeller key (320) into the keyway and interstage ring (204).
6.4.4 Check the 1st & 2nd stage impeller for correct rotation and slide onto the shaft
from DE and NDE.
TABLE A - STUFFING BOX DETAILS: (FOR MECHANICAL SEAL)
Diameters in mm
SR
NO
Pump
Type
D
D1
D2
D3
D4
D5
SEAL
LENGTH
‘L’ mm
M mm
mm
mm
1
DSM
100/36
40
80
67.4
70
50
95
57.5
52.5
62
10
2
125/40
50
95
85.7
92
70
110
60
53
77
10