Operating
Instructions
05/2011
1096.0833 | CY, CSY, LNY, LSY, NPY, PY, Y, YS Series
27
CY-5091
Max. total head
[m]
60
Medium to be pumped
Water
Temperature
[°C]
Max.
140
Medium to be pumped
Oil
Temperature
[°C]
Max.
180
Density
[kg/m³]
Max.
1000
Viscosity
[mm²/s]
Max.
100
Speed
3400
Tab. 23 Operating limit values CY-5091
Y-6091
Max. total head
[m]
80
Medium to be pumped
Water
Temperature
[°C]
Max.
140
Medium to be pumped
Oil
Temperature
[°C]
Max.
180
Density
[kg/m³]
Max.
1000
Viscosity
[mm²/s]
Max.
100
Speed
3400
Tab. 24 Operating limit values Y-6091
9.1.1
Media to be pumped
Liquids:
−
free of abrasive contaminations
−
without solid content
−
matched to the mechanical seal
−
matched to the casing materials
9.1.2
Flow rates
Characteristic curves, page 30 et seq.
The pump must not be operated beyond the size-dependent
power ranges (min./ max. flow rate).
9.1.3
Switching frequency
Motor size
No. of switching cycles per hour
Size 56 - 71
40
Size 80 - 112
20
Tab. 25 Switching frequency
9.2 General technical data
The following data refer to standard values. For deviating data,
please consult the manufacturer.
9.2.1
Weight
Dimension drawings, page 30 et seq.
9.2.2
Sound level
Type
1m measured surface sound pressure
level
L [dB (A)] *
50 Hz
60 Hz
LNY-/LSY-2841
53
56
Y-2041
53
56
Y-/YS-2951
56
59
Y-/YS-2051
63
66
NPY-2051
60
63
PY-2071
60
63
Y-4081
65
68
CY-4081
63
66
CSY-4081
64
67
Y-5081
72
75
CY-5091
73
76
Y-6091
64
67
* Measured surface sound pressure level in acc. with DIN EN
ISO 3744, at 1 m distance with average throttling
(cavitation-free operation) and connected pipes,
tolerance ± 3 dB (A)
Tab. 26 Sound pressure level
9.2.3
Drive power
Dimension drawings, page 30 et seq.
9.2.4
Direction of rotation of the pump
The direction of rotation of the pump is indicated by the arrow on
the motor. (Standard view on the pump/rotating in anti-clockwise
direction).
9.2.5
Operating connections
Dimension drawings, page 30 et seq.
9.2.6
Mechanical seal
All pumps are fitted with mechanical seals.
