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English
5.2 Technical data
Outline and pipe dimensions (Fig. 4).
5.3 Scope of Supply
• Multistage pump.
• Installation and operating instructions.
5.4 Accessories
Original accessories are available for HELIX range:
Maximum operating pressure
Pump casing
16, 25 or 30 bars depend on the model
Maximum suction pressure
10 bars
Note : real inlet pressure ( 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
Temperature range
Liquid temperatures
-20°C to +120°C
-30°C to +120°C (if full stainless steel)
-15°C to + 90°C (Viton version for O’ring and mechanical seal )
Ambient temperature
-15° to +50°C
Other temperature on request
Electrical data
Motor efficiency
Motor according to IEC 60034-30
Motor Protection index
IP55
Insulation class
155 (F)
Frequency
See motor plating
Electrical voltage
See motor plating
Other data
Humidity
< 90% sans condensation
Altitude
< 1000 m
(> 1000m on request)
Maximum suction head
according to NPSH of the pump
Sound pressure level dB(A)
0/+3 dB(A)
Power (kW)
0.37 0.55 0.75 1.1 1.5 2.2 3
4 5.5 7.5 11 15 18.5 22 30 37 45
50Hz 56
57
58
62 64 68
69
71
74
76
60Hz 60
61
63
67 71 72
74
78
81
84
Installation and operating instructions - Wilo-Helix V/FIRST 22-36-52
Designation
Article no.
2 Round counterflanges, stainless steel, 1.4404 (PN16 – DN50)
4038587
2 Round counterflanges, stainless steel, 1.4404 (PN25 – DN50)
4038589
2 Round counterflanges, steel,
(PN16 – DN50)
4038585
2 Round counterflanges, steel,
(PN25 – DN50)
4038588
2 Round counterflanges, stainless steel, 1.4404 (PN16 – DN65)
4038592
2 Round counterflanges, stainless steel, 1.4404 (PN25 – DN65)
4038594
Summary of Contents for Helix FIRST V 22
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