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5.2
Technical data
Maximum operating pressure
Pump casing
Maximum suction pressure
Temperature range
Liquid temperatures
Ambient temperature
Electrical data
Motor efficiency
Motor Protection index
Insulation class
Frequency
Electrical voltage
Other data
Humidity
Altitude
Maximum suction head
Sound pressure level dB(A)
0/+3 dB(A)
Cross-section of power cable
(cable equipped of 3 wires)
- Electromagnetic compatibility
• emission in residential areas –
1st environment
• electromagnetic immunity in industrial environ-
ments –
2nd environment:
Outline and pipe dimensions (Fig. 4).
5.3
Scope of delivery
•
Multistage pump
•
Installation and operating instructions
•
Counterflange, bolts and O-rings for PN16 con-
figuration.
Installation and operating instructions -
16 or 25 bars depend on the model
10 bars
Note: real inlet pressure (Pinlet)+ pressure at 0 flow delivered by the
pump must be below the maximum operating pressure of the pump. In
case of exceeding maximum operating pressure, the ball bearing and the
mechanical seal could be damaged or lifetime could decrease.
P Inlet + P at 0 flow ≤ Pmax pump
See pump nameplate to know the maximum operating pressure: Pmax
-30 °C to +120 °C
-15°C to +90 °C (with FKM seal)
-20 °C to + 120 °C (with cast iron casing)
-15° to +40°C
Motor according to IEC 60034-30
IP 55
155 (F)
230 V ±10% - 50 Hz
220 V ±6% - 60 Hz
< 90% without condensation
< 1000 m (> 1000m on request)
according to NPSH of the pump
≤ 63 dB(A)
2
2,5 mm
5.4
PN-EN 61800-3
Designation
2x oval counterflanges, stainless steel 1.4301 (screwing)
2x round counterflanges in stainless steel 1.4404 (screwing) (PN40 – DN25)
PN-EN 61800-3
2x round counterflanges in steel (welding)
Bypass kit 25 bar
Bypass kit (with pressure gauge 25 bar)
Baseplate with dampers for pumps up to 5,5 kW
Non-return valves (with cone or spring valve) if operating at cons-
tant pressure (Mode 2)
Protection against low water level
Tank
Sensor kit for pressure regulation (accuracy: ≤ 1% ; use between
30% and 100% of the reading range)
WILO-HELIX VE 1~
Accessories
The following original accessories are available
for the Helix range:
Use only accessories that are new.
English
o
Article n
.
4016168
(PN16 – 1")
4016165
4016162
(PN40 – DN25)
4146786
4146788
4157154
On request
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