Pump types Minimum inlet pressure
P
min 关bar
兴
at T
max.
关°C
兴
50 82 95 110 130
All RP, P, RS, DOP, DOS up to P
1max.
= 250 W
0,05 0,1 0,2 0,8 2,1
P and DOP with 125 mm OD
DOP DN50/100 mm OD
0,05 0,1 0,3 0,9 2,2
P with 160 mm OD, RS DN30/100 mm OD
S with 80…100 mm OD
0,05 0,1 0,5 1,1 2,4
P with 200 mm OD, S with 125 mm OD
DOS with 125 mm OD 0,3 0,7 1,0 1,6 2,9
S and DOS with 140 mm OD 0,5 0,9 1,2 1,8 3,1
16
ENGLISH
– For use of other kinds of fluids
consult WILO first.
– The max. temperature range of
the fluid reaches from +20 °C up
to +130 °C, short term up to
140 °C. The pumps are suited to
handle chilled water (conden-
sation-proof).
– The maximum permissible am-
bient temperature is 40 °C.
– Maximum working pressure: refer
to pump name plate.
– The minimum inlet pressure to be
maintained at the pump suction
port in order to avoid cavitation
noise depends on the fluid tempe-
rature and the pump type:
OD = Nominal impeller diameter according to name plate/serial code
– Mains power required: refer to
name plate data
– Max. power input: refer to pump
name data
– Pump connection size refer to
pump serial code
Connection size DN 25: 1’’ BSP
(28mm ID)
Connection size DN 30: 11/4’’
BSP (35mm ID)
Connection sizes DN 32 and
above: flanged ends (DN..) with
pressure gauge tappings 1/8’’
BSP.
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