GRUNDFOS DATA BOOKLET

CM25-2 A-R-I-E-AQQE F-A-A-N Grundfos Pump 97509109

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Printed from Grundfos Product Centre [2018.02.043]

Position Qty. Description1 CM25-2 A-R-I-E-AQQE

Product No.: 97509109

Compact, reliable, horizontal, multistage, end-suction centrifugal pump with axial suction port and radialdischarge port. Pump materials in contact with the liquid are in stainless steel. The mechanical shaftseal is a special designed, unbalanced O-ring seal. Pipework connection is via internal Whitworth pipethreads, Rp (ISO 7/1).

The pump is fitted with a 3-phase, foot-mounted, fan-cooled asynchronous motor.

Further product detailsPump and motor are integrated in a compact and user-friendly design. The pump is fitted to a low baseplate, making it ideal for installation in systems where compactness is important.The state-of-the-art design and materials of the shaft seal ensure high wear resistance, improvedsticking and dry-running capabilities and long operating life.Servicing the pump requires no special service tools. Service parts are in stock for quick delivery andare available as kits, single parts or bulk. Service videos are available on www.youtube.com.

PumpA combination of a stop ring and a Nord-lock® washer secures a tight and reliable fixation of theimpeller spacing pipes to the splined pump shaft. It is possible to remove and fit the hydraulic parts fromthe pump side. The inlet and outlet port are integrated in the pump sleeve. The inlet part, chambers anddischarge part are hold together by four staybolts and a retaining flange.

The pump is fitted with an unbalanced O-ring seal with a rigid torque transmission system. It has a fixedseal driver ensuring a reliable rotation of all parts. The dynamic secondary seal is an O-ring.Primary seal:

- Rotating seal ring material: Silicon carbide (SiC)- Stationary seat material: Silicon carbide (SiC)

This material pairing is used where higher corrosion resistance is required. The high hardness of thismaterial pairing offers good resistance against abrasive particles.Secondary seal material: EPDM (ethylene-propylene rubber)EPDM has excellent resistance to hot water. EPDM is not suitable for mineral oils.

The pump shaft is connected to the motor shaft through a left thread and tight fit. The shaft cannot bedismantled.

MotorThe motor is a totally enclosed, fan-cooled motor with principal dimensions to EN 50347. Electricaltolerances comply with EN 60034.

The motor efficiency is classified as IE2 in accordance with IEC 60034-30.The motor has thermistors (PTC sensors) in the windings in accordance with DIN 44081/DIN 44082.The protection reacts to both slow- and quick-rising temperatures, e.g. constant overload and stalledconditions.Thermal switches must be connected to an external control circuit in a way which ensures that theautomatic reset cannot cause accidents. The motors must be connected to a motor-protective circuitbreaker according to local regulations.

Printed from Grundfos Product Centre [2018.02.043]

Position Qty. DescriptionAn installation indicator is fitted to the motor fan cover. Based on the motor cooling air, it indicates thedirection of rotation of the motor. The motor is fitted with a directional sticker.

The motor can be connected to a variable speed drive for adjustment of pump performance to any dutypoint. Grundfos CUE offers a range of variable speed drives. Please find more information in GrundfosProduct Center.

Technical data

Liquid:Pumped liquid: WaterLiquid temperature range: -20 .. 120 °CLiquid temperature during operation: 20 °CDensity: 998.2 kg/m³

Technical:Speed for pump data: 2900 rpmRated flow: 22 m³/hRated head: 29.7 mPrimary shaft seal: AQQEApprovals on nameplate: CE,WRAS,ACS,TR,EACCurve tolerance: ISO9906:2012 3B

Materials:Pump housing: Stainless steel

DIN W.-Nr. 1.4301AISI 304

Impeller: Stainless steelDIN W.-Nr. 1.4301AISI 304

Rubber: EPDM

Installation:Maximum ambient temperature: 55 °CMaximum operating pressure: 10 barMax pressure at stated temp: 10 bar / 120 °CFlange standard: WHITWORTH THREAD RPPump inlet: Rp 2Pump outlet: Rp 2

Electrical data:Motor type: 100LBIE Efficiency class: IE2Rated power - P2: 4 kWMains frequency: 50 HzRated voltage: 3 x 220-240D/380-415Y VService factor: 1Rated current: 14,0-13,2/8,20-7,80 AStarting current: 850-950 %Rated speed: 2900-2920 rpmMotor efficiency at full load: 85.8 %Enclosure class (IEC 34-5): IP55Insulation class (IEC 85): F

Others:Minimum efficiency index, MEI ≥: 0,41Net weight: 35 kgGross weight: 37.5 kg

Printed from Grundfos Product Centre [2018.02.043]

97509109 CM25-2 50 HzH

[m]

0

5

10

15

20

25

30

35

Q [m³/h]0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30

eta[%]

0

20

40

60

80

100

CM25-2, 3*380 V, 50Hz

P[kW]

0

1

2

3

4

NPSH[m]

0

5

10

15

20P1

P2

Printed from Grundfos Product Centre [2018.02.043]

H[m]

0

5

10

15

20

25

30

35

Q [m³/h]0 5 10 15 20 25

eta[%]

0

20

40

60

80

100

CM25-2, 3*380 V, 50Hz

P[kW]

0

1

2

3

4

NPSH[m]

0

5

10

15

20P1

P2

216.9

198

100

160

199

Rp 3/8

12

105

140

170

233.9

218.9

506.9

273401.9

Rp 3/8

Rp 2

Rp 2

219.5

L3L2L1

+T +T+T

TO AMPLIFIERRELAY

IEC

TP2

11 T

HER

MAL

LY P

RO

TEC

TED

WH

EN T

HE

THER

MIS

TOR

S AR

EC

ON

NEC

TED

TO

AM

PLIF

IER

REL

AY F

OR

CO

NTR

OL

OF

MAI

N S

UPP

LYTH

ERM

ISTO

RS

PTC

AC

CO

RD

ING

TO

DIN

440

82

TO AMPLIFIERRELAY

+T +T+T

L1 L2 L3

Description ValueGeneral information:Product name: CM25-2 A-R-I-E-AQQEProduct No: 97509109EAN number: 5700316870025Technical:Speed for pump data: 2900 rpmRated flow: 22 m³/hRated head: 29.7 mImpellers: 2Primary shaft seal: AQQEApprovals on nameplate: CE,WRAS,ACS,TR,EACCurve tolerance: ISO9906:2012 3BPump version: AModel: AMaterials:Pump housing: Stainless steel

DIN W.-Nr. 1.4301AISI 304

Impeller: Stainless steelDIN W.-Nr. 1.4301AISI 304

Material code: IRubber: EPDMCode for rubber: EInstallation:Maximum ambient temperature: 55 °CMaximum operating pressure: 10 barMax pressure at stated temp: 10 bar / 120 °CFlange standard: WHITWORTH THREAD RPConnect code: RPump inlet: Rp 2Pump outlet: Rp 2Liquid:Pumped liquid: WaterLiquid temperature range: -20 .. 120 °CLiquid temperature during operation: 20 °CDensity: 998.2 kg/m³Electrical data:Motor type: 100LBIE Efficiency class: IE2Rated power - P2: 4 kWMains frequency: 50 HzRated voltage: 3 x 220-240D/380-415Y VService factor: 1Rated current: 14,0-13,2/8,20-7,80 AStarting current: 850-950 %Rated speed: 2900-2920 rpmMotor efficiency at full load: 85.8 %Enclosure class (IEC 34-5): IP55Insulation class (IEC 85): FMotor protec: TP211Others:Minimum efficiency index, MEI ≥: 0,41Net weight: 35 kgGross weight: 37.5 kg

216.9

198

100

160

199

Rp 3/8

12

105

140

170

233.9

218.9506.9

273

401.9

Rp 3/8

Rp 2Rp 2

219.5

Printed from Grundfos Product Centre [2018.02.043]

97509109 CM25-2 50 Hzcos phi

eta

0.0

0.2

0.4

0.6

0.8

P2 [kW]0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0

I[A]

0

2

4

6

8

CM25-2 + 100LB 4 kW 3*380 V, 50 Hz, SF = 1

etacos phi

I

n[rpm]

2400

2600

2800

3000

3200

P1[kW]

0.0

1.0

2.0

3.0

4.0

n

P1

Printed from Grundfos Product Centre [2018.02.043]

97509109 CM25-2 50 Hz

Note! All units are in [mm] unless others are stated.Disclaimer: This simplified dimensional drawing does not show all details.

216.

9

198

100

160

199

Rp

3/8

12

105

140

170

233.

9

218.

9

506.

9

27340

1.9

Rp

3/8R

p 2

Rp

2

219.

5

Printed from Grundfos Product Centre [2018.02.043]

97509109 CM25-2 50 Hz

Note! All units are in [mm] unless others are stated.

L3L2L1

+T +T+T

TO AMPLIFIERRELAY

IEC

TP2

11 T

HER

MAL

LY P

RO

TEC

TED

WH

EN T

HE

THER

MIS

TOR

S AR

EC

ON

NEC

TED

TO

AM

PLIF

IER

REL

AY F

OR

CO

NTR

OL

OF

MAI

N S

UPP

LYTH

ERM

ISTO

RS

PTC

AC

CO

RD

ING

TO

DIN

440

82

TO AMPLIFIERRELAY

+T +T+T

L1 L2 L3

Disclaimer: The information about the Grundfos pump in this document may be outdated.Data may be subject to alterations without further notice.Please contact us to verify the data above is still accurate/up-to-date.

All information is copyright Grundfos.

info@lenntech.comwww.lenntech.comtel. +31-15-261.09.00fax. +31-15-261.62.89