Wilo RP Serie Instrucciones De Instalación Y Servicio página 20

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).
All RP, P, RS, DOP, DOS up to P
P and DOP with 125 mm OD
DOP DN50/100 mm OD
P with 160 mm OD, RS DN30/100 mm OD
S with 80...100 mm OD
P with 200 mm OD, S with 125 mm OD
DOS with 125 mm OD
S and DOS with 140 mm OD
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)
16
Pump types
1max.
– 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:
50
= 250 W
0,05
0,05
0,05
0,3
0,5
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.
Minimum inlet pressure
P bar
min
at T °C
max.
82 95
0,1 0,2
0,1 0,3
0,1 0,5
0,7 1,0
0,9 1,2
110 130
0,8 2,1
0,9 2,2
1,1 2,4
1,6 2,9
1,8 3,1