Suction Pipeline Path - OBL X9 Series Operating Manual

X9 Series metering pumps
6.2.1

Suction pipeline path

The length of the suction pipe must be as short as possible, respecting the dimensions contained in the previous table A.
for above tank installation (good suction lift required), do not exceed a maximum height of 3 metres
-
do not exceed a maximum length of 4 metres (sum of vertical and horizontal sections).
-
Please refer to figure 5 below for suction pipeline correct arrangement or path.
Figure 5 INCORRECT INSTALLATION
GB Incorrect
Danger of pump valves
clogging
5-A
Incorrect
The fluid vein breaks and air
remains trapped in the highest
section of the pipeline
5-B
Incorrect
The fluid vein breaks and air
remains trapped in the horizontal
section of the pipeline
5-C
Incorrect
Internal diameter of suction
pipeline inadequate (see
previous table A)
5-D
Incorrect
5-E
Incorrect
5-F
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CORRECT INSTALLATION
Internal diameter of suction
pipeline proportioned (see
previous table A)
File: UT-4336 – Rev.0
Operating manual
Correct
Correct
Correct
Suction pipeline
always uphill
Correct
Correct
Correct