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grundfos cr-h
INNOVATION THAT FITS316 Stainless Steel CR(N)-H
LCRHSL001_07-12.indd 1 7/24/12 8:01 PM
The Grundfos multi-stage CR-H offers all the benefits of the renowned CR in an ANSI dimensional solution that will fit into your existing pump and piping footprint.
In an attempt to maintain interchange-ability, ANSI pumps are often selected with low efficiency, high wear operating points to the far left of the best efficiency point (BEP). This compromises the long-term health of a pump by creating stress on the shaft and impeller as well as causes premature bear-ing and mechanical seal failures. Not only is the overall pump life reduced, but mainte-nance and day-to-day operating costs are increased.
The Grundfos multi-stage CR-H offers optimized duty points to maximize pump efficiency and minimize internal wear which significantly lowers energy costs, increases pump life, and reduces maintenance.
Optimized Duty Points = MaximizedPump Efficiency
CR-H Product Range
CR-H Product Range
1
2 4 6 8 10
1
2 3 4 5 6 8 10 20 30 40 50 60 80 Q [ m3 /h ]
20 40 60 80 100100 200 400 600 800Q [US GPM]
20
30
40
60
80100
200
300
400
600
8001000
[ft]H
1010
20
30
405060
80100100
200
300[m]H
CR(N)-1s H
CR(N
)-1 H
CR(N
)-3 H
CR(N
)-5 H
CR(N
)-10
H
CR(N
)-15
H
CR(N
)-20
H
CR(N
)-32
H
CR(N
)-45
H
CR(N
)-64
H
CR(N
)-90
H
60 Hz
ANSI / ASME B73.1 piping dimensions. Other configurations available.
Rotating flange designfor easy bolt hole
alignment
Inlet and dischargegauge ports
Available in cast iron (CR-H) or 316 stainless
steel (CRN-H) pump casing
Modular design for easy service:
motor and/or pump cartridge can
be removed without disturbing piping
High efficiency multi-stage design
Optional Grundfos BaseplateThe CR-H can often be mounted to the existing baseplate with some modifications onsite.
In new installations, many installers will fabricate their own baseplates. Grundfos also manufacturers high quality, epoxy powder coated steel baseplates with an innovative “slide mount” feature that makes the CR-H even easier to install and service.
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cr-h Product range
CR-H Product Range
1
2 4 6 8 10
1
2 3 4 5 6 8 10 20 30 40 50 60 80 Q [ m3 /h ]
20 40 60 80 100100 200 400 600 800Q [US GPM]
20
3040
6080
100
200
300400
600800
1000[ft]H
1010
20
3040506080
100100
200
300[m]H
CR(N)-1s H
CR
(N)-
1 H
CR
(N)-
3 H
CR
(N)-
5 H
CR
(N)-
10 H
CR
(N)-
15 H
CR
(N)-
20 H
CR
(N)-
32 H
CR
(N)-
45
H
CR
(N)-
64
H
CR
(N)-
90
H
60 Hz
Technical Data Connections ( Inlet x discharge )
Flow, Q: max 210 gpm GA: 1.5 x 1 Head, H: max 630 feet G05: 2 x 1 Liquid temp: -22°F to 248°F G22: 2 x 2 Working Press: max 435 psi
GB, G50, G20: 3 x 1.5 GC, G10, G60, G30: 3 x 2 G70, G40: 4 x 3G33: 3 x 3G44: 4 x 4
Modular design for easy service:
motor and/or pump cartridge can
be removed without disturbing piping
One-piece cartridgeshaft seal for easy replacement
Spacer coupling enables shaft seal replacement without
removing motor on CR10 H - CR90 H
Full motor programfeaturing premium efficiency Grundfos or Baldor® motors
Make a Difference On Your Bottom Line
cost of OwnershipElectricity is the greatest expense associated with ownership of any pump. It accounts for a staggering 85% of the total lifetime cost of a pump, while maintenance and initial invest-ment make up the remaining 7% and 8% respectively. CR-H consumes far less energy than a traditional ANSI pump because it is designed to meet wide-ranging duty points while still operating at efficiencies within the BEP. By reducing energy costs up to 50%, the CR-H can pay for itself in a matter of months.
Plug ‘n Play retrofitThe Grundfos CR-H can bolt directly into the piping and pump case footprint of a tradi-tional ANSI pump. Simply remove the existing pump assembly, add a motor riser block and install the CR-H on the existing baseplate.
The Ultimate in Dimensional InterchangeabilityThe unique design of the multi-stage CR-H allows you to expand your pressure range by adding additional stages, and even up-sizing the motor if necessary, without expensive modifications to your piping or foundation.
reduce Your Downtime — Seal changes in Under an hourThe CR-H cartridge seal can be replaced without pump removal, disassembly, or pump-to-motor alignment, and can be completed in as little as 30 minutes. The result? Significant cost savings of labor and downtime; so maintenance per-sonnel can focus on other plant needs.
customized Solutions AvailableGrundfos offers custom-built solutions for a variety of demanding industrial applications. Featuring integrated and external variable drives, low NPSH option, dry-running sensor, double seals, air cooled top and magnetically driven pumps, Grundfos meets demands for durability and efficient operation.
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www.grundfos.usThe name Grundfos, the Grundfos logo, and be think innovate are registered trademarks owned by Grundfos Holding A/S or Grundfos A/S, Denmark. All rights reserved worldwide.
L-CRH-SL-001 Rev. 07-12
GrUNDFOS Kansas city 17100 West 118th TerraceOlathe, Kansas 66061Phone: (913) 227-3400 Fax: (913) 227-3500
GrUNDFOS canada2941 Brighton Road Oakville, Ontario L6H 6C9 Phone: (905) 829-9533 Fax: (905) 829-9512
GrUNDFOS MexicoBoulevard TLC No. 15Parque Industrial Stiva AeropuertoC.P. 66600 Apodaca, N.L. Mexico Phone: 011-52-81-8144 4000 Fax: 011-52-81-8144 4010
Grundfos commitment to providing innovative solutions, aligned with the needs of our customers, is demonstrated in this multi-stage in-line horizontal end suction centrifugal pump — the CR-H.
The CR-H provides superior reliability, premium efficiency, and the lowest possible cost of ownership. It is truly an Innovation That Fits.
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