Flowserve WDX - Manual (Page 31)

WDX USER INSTRUCTIONS ENGLISH 71576322 06-05
Page 31 of 46
®
If the packing is in rings:
Follow the instructions:
Assemble of the packing in S.
Stagger by about 90° between two rings.
Place the rings one at a time.
After setting the last packing ring, secure the packing
with the gland and tighten the nut by hand.
After tightening, the shaft should turn by hand as
easily as before the setting of the packing.
6.2.5.4 Gland packing dimensions
Drive End
Pump
size
D
2
D
3
L
Pac king

1.5
45
(1.77)
65
(2.56)
50
(1.97)
10
(0.394)
2
48
(1.89)
65
(2.68)
50
(1.97)
10
(0.394)
3
55
(2.17)
75
(2.95)
50
(1.97)
10
(0.394)
4
60
(2.36)
80
(3.15)
50
(1.97)
10
(0.394)
Non-Drive End
Pump
size D
2
D
3
L
Pac king

1.5
45
(1.77)
65
(2.56)
50
(1.97)
10
(0.394)
2
45
(1.77)
65
(2.56)
50
(1.97)
10
(0.394)
3
45
(1.77)
65
(2.56)
50
(1.97)
10
(0.394)
4
45
(1.77)
65
(2.56)
50
(1.97)
10
(0.394)
6.2.6 Gland cooling
WDX Pumps are designed with an optional stuffing
box cooling. The purpose of this is to cool the
pumped liquid before it reaches the packing. Such
cooling is required if the liquid temperature is over
220° F (105°C).
6.3 Spare parts
6.3.1 Ordering of spares
Flowserve keeps records of all pumps that have been
supplied. When ordering spares the following
information should be quoted:
1) Pump serial number.
2) Pump size.
3) Part name
–taken from assembly drawing.
4) Part number –taken from assembly
drawing.
5) Number of parts required.
The pump size and serial number are shown on the
pump nameplate.
To ensure continued satisfactory operation,
replacement parts to the original design specification
should be obtained from Flowserve.
Any change to the original design specification
(modification or use of a non-standard part) will
i nv al i dat e t he pump’ s s af et y cer t i f i c at i on.