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EN (Translation of the original language)
9
TECHNICAL DATA
9.1
PERFORMANCE SPECIFICATIONS
The performance diagram shows flow rate as a function of back pressure.
Functioning
Point
A
(Maximum flow
rate)
B
(High flow rate)
C
(Normal condi-
tions)
D
(By pass)
ATTENTION
This manual belongs to PIUSI S.p.A. Whole or partial reproduction of this manual is forbidden.
28
120
3.1
32
230
1.2
27
120
3.2
31
230
1.3
25
120
3.3
29
230
1.3
120
3.3
0
230
1.3
The curve refers to the following operating conditions:
Fluid: AUS32 - DEF
Temperature: 20° C
Suction conditions: The pipe and the pump position relative to the fluid
level is such that a low pressure of 0.3 bar is generated at the nominal
flow rate.
Under different suction conditions higher low pressure values can be created that re-
duce the flow rate compared to the same back pressure values. To obtain the best per-
formance, it is very important to reduce loss of suction pressure as much as possible by
following these instructions:
• shorten the suction pipe as much as possible
• avoid useless elbows or throttling in the pipes
• keep the suction filter clean
• use a pipe with a diameter equal to, or greater than, indicated (see In-
stallation).
DIAPHRAGM PUMP AC
Typical Delivery Configuration
•
•
•
•
•
Delivery closed
Back pressure (bar)
•
•
•
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