Xylem LOWARA e-SHE Series - Liquid Temperature vs. Max Operating Pressure

en – Original Instructions
e-SHE, e-SHS
– Additional Installation, Operation and Maintenance Instructions 39
8.2 Liquid temperature and maximum operating pressure
The diagram shows the maximum operating pressure based on unit model and temperature of
pumped liquid.
(
∗
)
Hot water
(
∗∗
)
Minimum pressure required on the mechanical seal with hot water: it may be different with other liquids
P
1max
+ P
max
≤ PN
Data
Description
P
1 max
Maximum input pressure
P
max
Maximum pressure generated by the unit
PN
Maximum operating pressure
NOTE: The formula applies to units with motor with axially locked bearing on the drive side
(standard Xylem).
ESH_M0015_A_ot
-40
(-40)
-20
(-4)
0
(32)
20
(68)
40
(104)
60
(140)
80
(176)
100
(212)
120
(248)
140
(284)
0
(0,0)
5
(0,5)
10
(1,0)
15
(1,5)
20
(2,0)
PN [bar (MPa)]
t [°C (°F)]
EPDM
FKM
SS, SN
FKM (*)
(**)
EPDM, FKM
VBEGG
VBVGG
Q1BEGG
Q1BVGG
Q1Q1EGG
Q1Q1VGG