CENTRIFUGAL PUMP TYPE SLM NV TO DIN EN ... - Klaus Union

Production range
pumps:
Pumps with magnet drive
E Centrifugal pumps
according to DIN EN 22858
E Centrifugal pumps
according to ANSI B73.3
E Centrifugal pumps for refinery
and petrochemical applications
according to API 685
E Centrifugal pumps for high
pressure applications
E Centrifugal pumps for high
temperature applications
E Centrifugal pumps for liquid
containing solids
E Centrifugal pumps, self-priming
E Multistage pumps, tension-rod or
barrel-type construction
E Side channel pumps, self-priming
E Screw pumps
E Submerged centrifugal pumps
E Double suction centrifugal pumps
Klaus Union GmbH & Co. KG
Blumenfeldstr. 18
44795 Bochum
Germany
Phone +49 234 45 95 - 0
Fax +49 234 45 95 - 7000
E-Mail info@klaus-union.de
Internet www.klaus-union.de
Pumps with shaft sealing
E Centrifugal pumps
according to DIN EN 22858
E Multistage pumps, tension-rod or
barrel-type construction
E Horizontal and vertical propeller pumps
E Bottom-flange propeller pumps
E Submerged centrifugal pumps
E Double-suction chemical pumps
Production range
valves:
E Valves, T-pattern
E Valves, Y-pattern
E Gate valves, isomorphous
construction series
E Gate valves, wedge or wedge plates
E Relief valves
E Check valves
E Sight glasses
E Strainers
E Filters
E Bottom valves
KU_NV_E_01/11_0001
S E R V I C E
CENTRIFUGAL PUMP TYPE
SLM NV TO DIN EN 22858
AND DIN EN ISO 15783
SEALLESS WITH MAGNET DRIVE

2
SLM NV – More than just a standard pump
This pump, to DIN EN 22858, is very much more
than just a standard pump. It is the current
further development in our well-proven series
of sealless magnet drive centrifugal pumps.
With the SLM NV, Klaus Union has developed
a pump design to address today‘s industry
requirements and to offer new efficient and
demand-driven solutions. Requirements have
increased, become more complex, and more
specific in recent years, particularly in the
chemical and petrochemical industry where
pumps handle aggressive, toxic and explosive
liquids under highest safety requirements.
Klaus Union satisfies these requirements with
over fifty years of experience in development,
construction, manufacturing and in the application
of magnet drive pumps.
SLM NV - “V” stands for “variable” through
modular design. Features and benefits of the
modular “V-Concept” are:
E Few individual components –
multifunctional, individual application
E Greater safety over the entire
construction range
E Suitable for serial fabrication at
competitive prices
E Standard modules offer many
design variations
E Energy efficient systems
E Maximum flexibility and interchangeability
E Off-the-shelf availability of parts,
components and accessories
The construction series SLM NV covers the
complete performance range of single-stage
centrifugal pumps. Pumps for high system
pressure applications are available upon
request.
Safety and environmental protection
Quality assurance
A major component of our Company ethos is
to ensure the highest quality of our products.
Existing quality assurance procedures with
our suppliers are constantly monitored from
order placement, goods inward through to final
assembly. This quality assurance system, developed
on modern principles, complies with
the requirements of international regulations.
Klaus Union is a DIN EN ISO 9001 certified
Company.
Pumping of
E Acids
E Lyes
E Hydrocarbon
E Heat transfer liquids
E Liquid gas
E Aggressive, explosive and
toxic liquids
Domains
E Chemical and petrochemical industries
E Refrigeration and heat
E Liquid gas plants
E Galvanic engineering
E Power stations
E Tank installations
Performance range
Flow rate: Q = up to 3.500 m³ /h
Delivery head: H = up to 200 m L. C.
Higher flow rates upon request
Pressure ratings/temperature ranges
Standard construction: PN 16 at 120 °C
Temperature range: -120 °C up to +350 °C,
upon request up to
max. +450 °C
Pressure rating: up to PN 400
Higher pressure ratings upon request
3

1.
2.
3.
4.
5.
Constructional details SLM NV
Basic design to DIN EN 22858
6.
7.
8.
9.
10.
1. Pump casing
PN 16 at 120 °C
2. Outer magnet carrier
Two piece with rub ring on the
intermediate lantern
3. Journal bearings
Double bearing made of SSiC;
Counter centred combination for universal
utilisation over a wide temperature range
4. Balancing holes
Optimized thrust loads over the entire
operating range via hydraulic measures
5. Flushing system
Pressurised to safely handle liquids
close to boiling point
6. Isolation shell
Self-venting and fully drainable;
Vortex breaker
7. Bearing support
Grease-lubricated anti-friction bearings
8. Intermediate lantern
With outer magnet carrier rub ring
and assembly/disassembly guidance
9. Inner magnet carrier
With rub ring on the journal bearing bush
10. Static gasket
Merely two static gaskets on
isolation shell and casing;
Static gaskets are certified to TA-LUFT
(technical instructions on air quality control)
4 5

Modular System
The modular system allows combining
suitable modules to meet the particular
requirements of your specific application.
The following illustrations show a few
examples – but only some out of the many
variations available.
Talk to us about your specific application. We
will show you how “your” pump might look.
The variable modular system allows any combination
of modules to meet the individual
requirements of your application.
Any combination is possible!
SLM NV – The modular system that
makes everything possible
Options
SLM NVS ... ZL
E Grease-lubricated anti-friction bearings
with increased bearing spacing
E Non-metallic isolation shell “Z”
(zirconium oxide)
E Secondary sealing between the
anti-friction bearings “L”
SLM NVS ... E1F
E Grease-lubricated anti-friction bearings
with increased bearing spacing
E External recirculation via
discharge filter “E1F”
Construction types
“Z“ Isolation shell made of
zirconium oxide
This isolation shell generates no Eddy Current
losses in the magnet drive. This isolation
shell offers maximum pump efficiency and is
particularly beneficial where heat input into
the pumped liquid is to be avoided.
“L“ Secondary sealing between the
anti-friction bearings
The secondary sealing consists of a highperformance
radial shaft seal ring, which
ensures that there is no immediate leakage of
the liquid to the atmosphere in the drive shaft
area in the event of an isolation shell failure.
“E1F“ External recirculation via
discharge filter
The self-cleaning discharge filter is used for
applications where liquids with a moderate
percentage of solids are handled. The flush
flow is picked up externally from the discharge
filter and re-introduced into the magnet coupling.
The internal flush flow ports are closed.
6 7

Options for every requirement
SLM NVO ... H12F
E Oil-lubricated anti-friction bearings with
thermal barrier and secondary sealing
E Jacketed hydraulic casing “H1”
E Jacketed intermediate lantern “H2”
E Internal filter “F“
SLM NVO ... C
E Oil-lubricated anti-friction bearings with
thermal barrier and secondary sealing
E Plastic isolation shell CFRP/PTFE “C”
Construction types
“H1“ Jacketed hydraulic casing for
heating
“H2“ Jacketed intermediate lantern for
heating
The heating jacket serves to heat the pump
prior to starting or to maintain temperature.
“F“ Internal filter
The self-cleaning internal filter is used for
handling liquids with a low percentage of
solids. The filter sits in front of the flush flow
channel’s entry ports. It ensures that no solid
matter that could damage the magnet drive or
the journal bearing can enter the flush flow
circuit.
“C“ Plastic isolation shell
The plastic isolation shell consists of two
separate components – a carbon fibre reinforced
outer shell, and an inner PTFE liner.
The shell eliminates Eddy Current losses
and is used to maximise the pump’s over-all
efficiency, or when a temperature rise of the
internal flush flow must be avoided.
SLM NVB ... WJ
E Close-coupled construction
E Thermal barrier with secondary
sealing “W”
E Inducer “J”
SLM NVB ... OTZW
Close-coupled construction
Construction without flush flow “OT“
Non-metallic isolation shell “Z”
(zirconium oxide)
Thermal barrier with secondary
sealing “W”
Construction types
“W“ Thermal barrier with
secondary sealing
The thermal barrier reduces heat transfer
from the pump end to the anti-friction bearings.
By using the thermal barrier, the
temperature at the anti-friction bearings is
reduced by 20°C to 30°C. A high-performance
radial shaft seal ring is integrated in the
thermal barrier as a secondary sealing. The
gasket prevents immediate liquid leakage in
the event of isolation shell failure.
“J“ Inducer
The inducer is fitted in front of the impeller
and increases the suction pressure. It offers
enhanced NPSH characteristics to the pump
and can often almost half the NPSH requirements.
“OT“ Construction without flush flow
This construction type is used for applications
where liquids with a high percentage of solids
are handled. The casing cover is equipped
with two external connections for feeding and
draining of the isolation shell area. The specially
designed journal bearings prevent any
solids within the pumped liquid from entering
the magnet drive.
8 9

Head [ m ]
Head [ m ]
Performance curve 50Hz
100
80
60
40
20
10
8
6
4
1
150
120
100
80
60
40
20
10
8
6
1450 1/min
2900 1/min
040-025-125
040-025-200
040-025-160
050-032-160
050-032-125
050-032-250
050-032-200
065-040-200
065-040-160
065-040-315
065-040-125
065-040-250
080-050-160
080-050-125
040-025-125
040-025-200
040-025-160
125-100-315
100-065-315
080-050-315
125-080-315
080-050-250
080-050-200
100-065-160
100-065-125
100-065-250
100-065-200
050-032-250
050-032-200
050-032-160
125-080-200
125-080-160
065-040-160
125-100-200
065-040-250
065-040-200
150-125-315
150-125-250
125-080-250
125-100-250
200-150-500
065-040-315
080-050-200
050-032-125 065-040-125 080-050-125
200-150-400
080-050-250
250-200-315
200-150-315
200-150-250
100-065-125
080-050-315
080-050-160 100-065-160
250-200-500
250-200-400
250-200-250
100-065-315
100-065-250
100-065-200
300-250-500
300-250-400
300-250-315
125-080-160
125-080-315
125-080-250
125-080-200
350-300-500
350-300-400
125-100-315
125-100-250
400-350-500
400-350-400
125-100-200
400-400-500
( 980 1/min )
2 4 6 8 10 20 40 60 80 100 200 400 600 800 1000 2000
5 10 20 30 40 50 100 500 1000 5000 10000 20000
Performance curve 50Hz
125-100-400
150-125-400
150-125-250
150-125-315
5
1 2 4 6 8 10 20 40 60 80 100 200 400 500
5 10 20 30 40 50 100 200 500 1000 1500 2000
4000
50
40
30
25
20
360
300
200
100
50
20
15
Flowrate
[ m³/h ]
500
400
300
200
100
Head [ ft ]
Flowrate
[ m³/h ]
Flowrate
[ usgpm ]
Kennfeld Prospekt NOV 2900 U
Head [ ft ]
Flowrate
[ usgpm ]
Kennfeld Prospekt NOV 1450 U
Head [ m ]
Head [ m ]
Performance curves SLM NV
Performance curve 60Hz
140
100
250
200
150
100
80
60
40
20
80
60
40
20
10
8
6
4
1
1750 1/min
040-025-200
040-025-160
040-025-125
050-032-250
050-
032-
160
050-
032-
125
065-040-315
050-
032-
200
065-
040-
160
065-
040-
125
065-
040-
250
065-
040-
200
080-050-200
080-
050-
160
080-
050-
125
125-100-400
080-050-315
080-
050-
250
100-
065-
160
100-
065-
125
100-
065-
250
100-
065-
100-
065-
315
200-150-500
125-
080-
315
200
125-
080- 125-
200 100-
200
125-
080-
160
125-
080-
250
200-150-315
200-150-250
400-350-400
400-400-500
(1180 1/min)
2 4 6 8 10 20 40 60 80 100 200 400 600 800 1000 2000 4000
5 10 20 30 40 50 100 500 1000 5000 10000 20000
Performance curve 60Hz
3500 1/min
040-025-160 050-032-160
040-025-125
040-025-200 050-032-200
050-032-125
065-040-315
065-040-200
065-040-160
125-
100-
315
125-
100-
250
050-032-250 065-040-250
150-
125-
400
150-
125-
315
150-
125-
250
080-050-200
065-040-125 080-050-125
200-
150-
400
080-050-315
080-050-250
080-050-160 100-065-160
100-065-125
100-065-315
100-065-200
250-
200-
500
250-
200-
400
250-
200-
315
250-
200-
250
100-065-250
125-080-160
300-
250-
500
300-
250-
400
300-
250-
315
125-080-315
125-080-250
125-080-200
350-
300-
500
350-
300-
400
400-
350-
500
450
400
300
200
100
50
20
15
Kennfeld Prospekt NOV 1750 U
800
125-100-315
150-125-250
125-100-250
125-100-200
10
1 2 4 6 8 10 20 40 60 80 100 200 400 600
5 10 20 30 40 50 100 200 500 1000 2000 2500
Head [ ft ]
Flowrate
[ m³/h ]
Flowrate
[ usgpm ]
600
400
300
200
150
100
50
40
Kennfeld Prospekt NOV 3500 U
10 11
Head [ ft ]
Flowrate
[ m³/h ]
Flowrate
[ usgpm ]