Grundfos Dosing Skid Systems (DSS) are designed to
feed liquid chemicals from a supply source (usually
tank or drum) to an injection point.
Systems typically include:
• pre-piped pumps
•fittings
• other components (depending on the system) i.e.
strainers, calibration columns, back pressure
valves, pressure gauges, pulsation dampeners,
pressure relief valves.
Grundfos Dosing Skid Systems (DSS) can range from
pre-engineered, standard one- and two-pump systems
on polypropylene or stainless steel bases, to custom
systems with multiple pumps and tanks all piped on a
common skid with complete controls.
Dosing Skid Systems (DSS) are available for all
models of Grundfos metering pumps: hydraulically
actuated and mechanically actuated pumps including
Digital Dosing pumps with stepper motor technology
offering up to 3000:1 flow turndown.
1
Product introduction
TM05 1990 3012TM05 4965 3012TM05 4964 3012
Fig. 2 FRP base - floor mounted system
Features and benefits
Grundfos Dosing Skid Systems offer critical benefits:
• Faster and easier onsite installation in comparison
with the purchase of individual components that
must be separately piped, installed, wired and
tested.
• Each system is delivered as a complete package so
many installations may be as simple as connecting
the piping and electrical.
• System designs can cover a wide range of
capabilities and materials to suit most applications
and environments.
• Systems can operate with manual control or can be
provided with automation options to improve
process control, efficiency and reliability.
• System pumps, piping and control panels are
factory inspected and tested prior to shipment.
Fig. 3 Polypropylene base - floor mounted system
Fig. 1 Stainless steel base - floor mounted system
TM05 4968 3112
Fig. 4 Polypropylene panel - wall mounted system
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2
Identification
2. Identification
Type key
ExampleDSS S 2 - DMH - PP FM - N - P - A9 - A9 - N
9FRP enclosure
10Optional controller
11S a mpl e va l ve
7
Page 8
3
8
9
3
10
1
4
6
7
3’- 0” - W/O CONTROL BOX
4’- 6” W/ CONTROL BOX
1’- 10”
1’- 8”
1
2
3’- 6” W/O CONTROL BOX
3’- 0”
2’- 0”
5’- 0” W/ CONTROL BOX
9
8
6
10
4
3
5
7
1
1
2
DSS
Components
Standard skid systems with stainless steel base
Small one-pump system
with stainless steel base
Small two-pump system
with stainless steel base
Pos.Component
1Metering pumps
2Calibration cylinder
3Back pressure valve
4Pressure relief valve
5Pressure gauge
6Pulsation dampener
7Ball valve
8Skid
9FRP enclosure
10Sample valve
TM05 4956 3012
TM05 4954 3012
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DSS
3’- 1” - LARGE
1’- 10” - MEDIUM
1’- 6” - MEDIUM
2’- 0” - LARGE
6
4
3
5
9
10
8
3’- 8” - W/O CONTROL BOX & DRIVE - MEDIUM
4’- 4” - W/O CONTROL BOX & DRIVE - LARGE
5’- 0” - W/ CONTROL BOX & DRIVE - MEDIUM
5’- 8” - W/ CONTROL BOX & DRIVE - LARGE
1
5’- 1” - LARGE
10
3’- 6” - MEDIUM
1’- 6” - MEDIUM
2’ - 0” - LARGE
3’- 8” W/O CONTROL BOX & DRIVES - MEDIUM
4’- 4” W/O CONTROL BOX & DRIVES - LARGE
5’- 0” W/ CONTROL BOX & DRIVES - MEDIUM
5’- 8” W/ CONTROL BOX & DRIVES - LARGE
9
8
5
3
4
1
7
1
3
Medium and large one-pump system
with stainless steel base
Medium and large two-pump system
with stainless steel base
Components
TM05 4952 3012
Pos.Component
1Metering pumps
2Calibration cylinder
3Back pressure valve
4Pressure relief valve
5Pressure gauge
6Pulsation dampener
7Ball valve
8Skid
9FRP enclosure
10Optional controller
11S a mpl e va l ve
TM05 4950 3012
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3
1/2" PVC
INLET
PUMP 1PUMP 2
BACKUP
PI
OUTLET
1/2" PVC
50 PSI
1/2" PVC
BLEED VALVE
90 PSI90 PSI
5
3
6
2
1
7
4
DSS
Components
P&ID
Typical layout, two-pump system
Typical system components*
Pos.Component
1PVC, strainer
2Calibration cylinder
3Back pressure valve
4Pressure relief valve
5Pressure gauge
6Pulsation dampener
7Ball valve
* Review layout, general arrangement, component and P&ID drawings
issued on specific orders as these may differ from "Typical" as shown here.
TM05 2012 4214
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DSS
4. Special application systems
4
Selcoperm
Electrolytic chlorination systems
Selcoperm electrolytic chlorination systems offer easy
and reliable generation of a hypochlorite solution for
disinfection applications.
Fig. 5 Selcoperm electrolytic chlorination system
Conex®
Compact measuring systems
Our DSS systems with Conex® utilize our tried-andtested electrodes and controllers, combined to suit
specific applications, and installed on a mounting
board ready for quick installation.
Special application systems
TM05 4046 1506
Fig. 6 Conex® compact measuring systems
TM04 6823 0910
Chlorine dioxide systems
Continuous chlorine dioxide dosing ensures highly
effective disinfection and prevents the build-up of
biofilm in water pipes. Grundfos chlorine dioxide
disinfection systems can be installed in existing
systems without disrupting operations.
TM05 3821 1612
Fig. 7 Chlorine dioxide systems
TM05 3794 1612
TM05 3822 1612
TM05 3793 1612
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5
Technical data
5. Technical data
DDA
SMART Digital Series (0.0007 to 8.0 gph)
Technical data7.5-1612-1017-730-4
Turndown ratio (setting range) [1:X]3000100010001000
WebCAPS is a Web-based Computer Aided Product
Selection program available on www.grundfos.com.
WebCAPS contains detailed information on more than
185,000 Grundfos products in more than 20 languages.
In WebCAPS, all information is divided into 6 sections:
• Catalog
• Literature
• Service
• Sizing
• Replacement
• CAD drawings.
Catalog
This section is based on fields of application and pump types, and
contains
• technical data
• curves (QH, Eta, P1, P2, etc) which can be adapted to the
density and viscosity of the pumped liquid and show the
number of pumps in operation
• product photos
• dimensional drawings
• wiring diagrams
• quotation texts, etc.
Literature
In this section you can access all the latest documents of a given
pump, such as
• product guides
• installation and operating instructions
• service documentation, such as Service kit catalog
and Service kit instructions
• quick guides
• product brochures, etc.
Service
This section contains an easy-to-use interactive service catalog.
Here you can find and identify service parts of both existing and
discontinued Grundfos pumps.
Furthermore, this section contains service videos showing you how
to replace service parts.
16
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DSS
01
Sizing
This section is based on different fields of application and
installation examples, and gives easy step-by-step instructions in
how to
• select the most suitable and efficient pump for your installation
• carry out advanced calculations based on energy consumption,
payback periods, load profiles, life cycle costs, etc.
• analyze your selected pump via the built-in life cycle cost tool
• determine the flow velocity in wastewater applications, etc.
Replacement
In this section you find a guide to selecting and comparing
replacement data of an installed pump in order to replace the pump
with a more efficient Grundfos pump.
The section contains replacement data of a wide range of pumps
produced by other manufacturers than Grundfos.
Based on an easy step-by-step guide, you can compare Grundfos
pumps with the one you have installed on your site. When you have
specified the installed pump, the guide will suggest a number of
Grundfos pumps which can improve both comfort and efficiency.
6
Further documentation
WinCAPS
Fig. 8 WinCAPS CD-ROM
CAD drawings
In this section it is possible to download 2-dimensional (2D) and
3-dimensional (3D) CAD drawings of most Grundfos pumps.
These formats are available in WebCAPS:
2-dimensional drawings:
• .dxf, wireframe drawings
• .dwg, wireframe drawings.
3-dimensional drawings:
• .dwg, wireframe drawings (without surfaces)
• .stp, solid drawings (with surfaces)
• .eprt, E-drawings.
WinCAPS is a Windows-based Computer Aided Product Selection program containing detailed
information on more than 185,000 Grundfos products in
more than 20 languages.
The program contains the same features and functions
as WebCAPS, but is an ideal solution if no Internet
connection is available.
WinCAPS is available on CD-ROM and updated once a
year.
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owned by Grundfos Management A/S or Grundfos A/S, Denmark. All rights reserved worldwide.