16
7.4- Shaft Seal
7.4.1- Pump with soft packing gland
• While starting to change soft packing thoroughly clean the stuffing box and shaft (or shaft sleeve,
if used).
• Cut enough number of pieces suitable lenght diagonally from suitable size of soft packing. Roll it
up over the shaft (or shaft sleeve, if used) and see the ends are in full contact.
• Insert the first packing ring as the joint will place up, and press home using the gland cover.
• Place the second ring as joint will place down. Insert all the packing rings in the same way. If there
is a lantern ring put into place too.
• Place the gland and fully tighten, thus the packing rings will take the shape of stuffing box, the
loosen it. Slightly tighten by turning the shaft and stop tightening when it slightly brakes the shaft.
• After starting operation, it is necessary that water drips from the packing. This dripping shouldn’t
be less than 10 cm³/min and more than 20 cm³/min. Adjust dripping by uniformly tightening or
untightening the gland nuts slighly.
• Check the temperature of soft packing after two hours operation after gland adjustment to avoid
overheating.
12x12
12x12
16x16
35
42
55
A
B
C
Pump Dimension
Group
Shaft End
Diameter
ø
Yumuşak
Salmastra Kesiti
□
Table 6
8- SPARE PART
• STANDART POMPA guarantees to supply the spare parts for SDS type pumps for 10 years. You can
provide any spare parts easily.
• Lets us know the following details on the name-plate, when you order spare parts.
Pump Type
: (SDS 125-315)
Serial No
: (...... – ...............)
Q (Rated) / H (Rated)
: (1500 gpm - 150 psi)
• If you prefer to have spare parts in your stock, we recommed you to have the following quantities
for two years operation depending on the number of same of pumps
(Table 7)
.
Part
No
Part Name
Number of pumps in the system
2
3
4
5
6-7
8-9
10+
Table 7
60
50
20
200
70
400
420
1
1
4
2
4
8
4
1
1
4
2
4
8
6
2
1
4
4
4
12
8
2
2
6
4
6
12
8
2
2
6
6
6
12
9
3
3
8
8
8
16
12
30%
30%
50%
50%
50%
40%
150%
Shaft (incl. keys) (piece)
Impeller
Wear Ring
Ball Bearings
Shaft Sleeve
Soft Packing (set)
Casing O-Ring
