C237 WF2, C270 WF0 pages
Low Suction Pump
with Automatic Level Sensor
for Flood Protection
Sensoflat C 237 WF3, C270 WF
Application
Performances
Automatic drainage at low water level
from 5 mm to prevent flooding in rooms
without pump pit or floor drain, e. g. by
flood water, rain, defective water pipe
or defective washing machine. The level
sensor starts the pump automatically
at a water level of 5 mm and pumps
down to 2 mm remaining level. The
water jacket cooled motor with the top
discharge protects the motor against
overheating even during sip operation.
Installation: Permanent or
transportable.
Pumped liquid: Clear water or
drainage water containing soft solids
with a maximum diameter of 3 mm.
Max. liquid temperature: 35°C, short
term up to 60°C.
Operation: Intermittent.
12
H (m)
11
10
9
8
6
Protected by german patent.
1
5
4
3
2
1
C270 WF
0
0
0.4
0
1
0.8
2
3
1.2
4
1.6
5
6
2
7
2.4
8
(l/s)
Q
10 (m3/h)
2.8
9
C237 WF3
Design
Fully submersible drainage pump consisting of:
Pump: Single stage centrifugal
pump with vertical discharge.
Impeller: Open multi-channel
impeller, spherical clearance 3 mm.
Motor: Fully submersible, pressure
tight electric motor. Stainless steel
motor housing. Insulation class F. Motor
protection IP 68. Thermal sensors imbedded in the motor winding.
Shaft/bearing: Large diameter
stainless steel rotor shaft, pre-lubricated
bearings.
Seals: Triple lip-seal combination.
2
7
Technische Daten
Curve
Nr.
Pump type
Motor input
P1
P2
(kW) (kW)
Voltage
50 Hz
(V)
Nominal
current
(A)
Cable
type
Weight
(kg)
a
b
C237 WF3
0,47
0,28
230/1Ph
2,1
H05RN-F3G0,75
4,9
C270 WF
0,70
0,45
230/1Ph
3,2
H05RN-F3G1
7,0
Speed: 2900 U/min
Discharge: C237: G 1 M
Discharge: C270: G 1¼ F
Materials
Motor housing,
motor shaft,
screws
Suction sieve,
Pump housing
C237
C270
Equipment supplied
Stainless steel
Wear resistant
synthetic material
Stainless steel
Impeller,
pressure cover
Wear resistant
synthetic material
(composite)
Elastomere
NBR
Pump with level sensor, hose spigot
(C237), 10 m of cable and plug.