SPCO VM User manual
Installation and operating instructions
VM, VMC, VMN
Vertical Multistage
Centrifugal Pump, 50Hz
®
EU Declaration of conformity
according to the Low Voltage Directive 2014/35/EU
and the Machinery Directive 2006/42/EC
and Electromagnetic Directive 2014/30/EU
For the following equipment:
Product: Pump
Trademark: Vertical Multistage Pump
Type Designation: VM, VMC, VMN
Manufacture’s Name: Swiss Pump Company AG
Manufacture’s Address: Moosweg 36, CH-3645,
Thun-Gwatt -Switzerland
is herewith confirmed to comply with the requirements set out in the Directive 2014/35/EU
And the Machinery Directive 2006/42/EC and Electromagnetic Directive 2014/30/EU.
For the evaluation of the compliance with this Directives, the following standards are applied:
EN ISO 12100:2010
EN ISO 13857:2008
EN 60204-1:2006
EN 809:1998
EN 6100-6-2:2005
EN 6100-6-4:2007
EN 60335-1:2012
EN 953:1997
EN 60335-2-41
Responsible for making this declaration is the:
Manufacture Authorized representative established within the EU
Authorized representative established within the EU (if applicable):
Company Name: Swiss Pump Company AG
Company Address: Moosweg 36, CH-3645,
Thun-Gwatt -Switzerland
Person responsible for making this declaration
Name, Surname: Michael Bähler
Position/Title: production Manager
(Place) (Date) (Company stamp and legal signature)
Switzerland 12/09/2019
Approvals
3®
Contents
Handling page 4
Applications 4
Pump liquids 4
Technical data 4
Definition of model 4
Min. inlet pressure NPSH 5
Min. nominal flow rate 5
Max. inlet pressure and operating pressure 6
Installation 10
Electrical connection 11
Start-up 11
Maintenance 13
Coupling adjustments 14
Troubleshooting 16
Technical Data
4
VM, VMC, VMN series in-line pumps booster pumps are designed for a wide range of applications in various industries
for water treatment, water boosting, water supply, cooling, cleaning, etc.
Applications
Definition of Model
Technical data
Temperatures
Ambient temperature: 0°C to +40°C
Liquid temperature: -15°C to +120°C
If ambient temperatures are above +40 degrees °C, or if the pump is located at elevations more than 1,000
meters above sea level, the motor’s output must be decreased to compensate for less effective cooling, and may have to be
replaced with a stronger motor.
Electrical Data
See the motor nameplate.
Make sure that the supply voltages, phase and frequencies correspond to the motor specifications.
Number of starts per hour
Motors up to and including 4 kW: Maximum 100 times per hour.
Motors of 5.5 kW and up: Maximum 40 times per hour.
If you use another brand of motor then check the manufacturer’s instructions for the maximum frequency
of starts.
Identification Code
VM - 10 - 5 - SQQE
Code for shaft seal
Number of stages
Nominal flow ᇿm3/hሀ
Type Ranges
VM - 10 - 5 - SQQE
Code for shaft seal
Number of stages
Nominal flow (m3/h)
Type Ranges
Handling
Read these instructions carefully before beginning installation. Lift and handle these pumps carefully.
VM, VMC, VMN series are vertical multi-stage non-self priming pumps coupled with standard electric motors.
This manual applies to standard version pumps and for standard applications.
Contact your supplier or the factory for information about special pump versions and applications.
Pumped liquids
The pumps are designed for use with clean, viscous and non-explosive liquids that do not contain abrasive matter.
These pumps are not designed to be used with abrasive, solid containing, explosive and corrosive liquids.
For special application, please contact your supplier or the factory.
5®
Minimum inlet pressure NPSH
Minimum nominal flow rate
To avoid cavitation, make sure that there is a minimum
pressure on the suction side of the pump.
NPSHA: Net Positive Suction head Available
The net positive suction head available is a function of
the pump suction system.
NPSHR: Net Positive Suction head required
The net positive suction head required is a function of
the pump design at the operating point on the pump
performance curve.
NPSHA=Ha-Hs-Hf-Hv-Hst (in meters head)
Ha: Barometric pressure.(That can be set to 10.2 m.)
Hs: Suction lift.
Hf: Friction loss in suction pipe.
Hv = KT+KH: Vapor pressure
KT: Flow resistance due to liquid temperature.
KH:Flow resistance due to elevation above sea level.
If the liquid is water, you can consult the tables to determine
the values of KT and KH.
To prevent overheating of the internal pump components,
the pump should not be used at flows below the minimum
flow rate.
Do not run the pump against a closed
discharge valve for longer than a few seconds.
The curve shows the minimum flow rate as a percentage of
the nominal flow rate in relation to the liquid temperature.
40 60 80 100
10
20
Qmin
[%]
t [°C]
30
120 140
0
T (C) 20 30 40 50 60 70 80 90 100 110 120
KT (m) 0.2 0.4 0.8 1.3 2.2 3.3 5 7.4 11 15 22
H (m) 0 500 1000 1500 2000 2500 3000
KH (m) 0 0.55 1.1 1.65 2.2 2.75 3.3
Hst: Safety margin. (minimum: 0.5 meters head)
NPSHA≥NPSHR: Pump running will be fine.
NPSHA< NPSHR: The pump will be dry running or cavitating.
Stop operation of the pump if cavitation occurs.
Cavitation will cause pump damage and the resultant damage is not subject to warranty.
40 60 80 100
10
20
Qmin
[%]
t [°C]
30
120 140
0
Technical Data
6
Maximum Inlet Pressure and Operating Pressure - 50Hz
7
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Maximum Inlet Pressure and Operating Pressure
50Hz
10!
7®
Stage Max. inlet pressure Stage Max. operating pressure
1-2 10 bar
2-(5-1) 15 bar
(6-1)-7 20 bar
(1-1)-1 10 bar
(2-1)-(4-2) 15 bar
(5-2)-6 20 bar
Stage Max. inlet pressure Stage Max. operating pressure
1 10 bar
(2-2)-(3-1) 15 bar
3-(5-2) 20 bar
(1-1) 10 bar
(1-2) 15 bar
(3-2)-(4-2) 20 bar
(1-1)-(4-2) 30 bar
VM, VMC, VMN 120
VM, VMC, VMN 150
VM, VMC, VMN 120
1-(5-2) 30 bar
VM, VMC, VMN 150
(1-1)-6 30 bar
1-7 30 bar
Maximum Inlet Pressure and Operating Pressure - 50Hz
Technical Data
8
Technical Data
8
60Hz
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Maximum Inlet Pressure and Operating Pressure - 60Hz
9®
Maximum Inlet Pressure and Operating Pressure - 60Hz
Stage Max. inlet pressure Stage Max. operating pressure
1-2 10 bar
2-(5-1) 15 bar
(6-1)-7 20 bar
(1-1)-1 10 bar
(2-1)-(4-2) 15 bar
(5-2)-6 20 bar
Stage Max. inlet pressure Stage Max. operating pressure
1 10 bar
(2-2)-(3-1) 15 bar
3-(5-2) 20 bar
(1-1) 10 bar
(1-2) 15 bar
(3-2)-(4-2) 20 bar
(1-1)-(4-2) 30 bar
VM, VMC, VMN 120
VM, VMC, VMN 150
VM, VMC, VMN 120
1-(5-2) 30 bar
VM, VMC, VMN 150
(1-1)-6 30 bar
1-7 30 bar
Technical Data
10
Always refer to the local or national regulations and codes relating to the selection of the installation site, the water and power
connections, etc.
Position
Pumps should be installed in a protected environment, not exposed to weather.
Make sure that there are no obstructions to prevent proper motor cooling.
Anchoring
The pump must be secured to a solid foundation by bolts through the holes in the flange or base plate.
Installation example
When positioning and installing the pump, follow the installation examples next page in order to avoid damaging the pump.
Installation
No. Description
1 Pipe support: Support piping system properly to avoid stresses on connections.
2 On-off valves: Install on-off valves for easy access, before the pump intake and after the pump discharge.
3 Use flexible piping on both input and output sides of the pump to reduce vibration and transmission of noise.
4 Check valves will prevent return flow of pumped liquid when pump is stopped, reducing the danger of pump damage.
5 Control Panel: Use high quality components. Make sure that the panel conforms to local standards and regulations.
6 Do not place elbows next to the pump intake and discharge.
7 If pump needs to be operated with on-off valve closed, install a by-pass line to avoid damaging the pumping system.
This manual suits for next models
38
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