Grundfos CM3-4 pump : CM3-4 A-R-G-E-AQQE C-A-A-N (96806889)

GRUNDFOS DATA BOOKLET

CM3-4 A-R-G-E-AQQE C-A-A-N Grundfos pump 96806889

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Printed from Grundfos Product Centre [2018.06.003]

Position Qty. Description1 CM3-4 A-R-G-E-AQQE

Product No.: On request

Compact, reliable, horizontal, multistage, end-suction centrifugal pump with axial suction port and radialdischarge port. Pump materials in contact with the liquid are in high-grade stainless steel. Themechanical shaft seal is a special designed, unbalanced O-ring seal. Pipework connection is viainternal Whitworth pipe threads, Rp (ISO 7/1).

The pump is fitted with a 1-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 has built-in thermal protection (PTO current and temperature sensors) in accordance withIEC 60034-11 and requires no further motor protection. The protection reacts to both slow- andquick-rising temperatures, e.g. constant overload and stalled conditions.As the thermal protection incorporates automatic reset, the motor must be connected in a way whichensures that the automatic reset cannot cause accidents.

Technical data

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

Technical:Rated flow: 3.1 m³/hRated head: 27.4 mPrimary shaft seal: AQQEApprovals on nameplate: CE,WRAS,ACS,TR,EACCurve tolerance: ISO9906:2012 3B

Materials:Pump housing: Stainless steel

DIN W.-Nr. 1.4401AISI 316

Impeller: Stainless steelDIN W.-Nr. 1.4401AISI 316

Rubber: EPDM

Installation:Maximum ambient temperature: 55 °CMaximum operating pressure: 16 barMax pressure at stated temp: 10 bar / 120 °C

16 bar / 90 °CFlange standard: WHITWORTH THREAD RPPump inlet: Rp 1Pump outlet: Rp 1

Electrical data:Motor type: 71BRated power - P2: 0.5 kWMains frequency: 50 HzRated voltage: 1 x 220-240 VService factor: 1Rated current: 3.1-2.8 AStarting current: 530 %Rated speed: 2730-2740 rpmEnclosure class (IEC 34-5): IP55Insulation class (IEC 85): F

Others:Minimum efficiency index, MEI ≥: 0.7Net weight: 12.7 kgGross weight: 15.2 kg

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On request CM3-4 A-R-G-E-AQQE 50 HzH

[m]

0

5

10

15

20

25

30

35

40

Q [m³/h]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

eta[%]

0

10

20

30

40

50

60

70

80

CM3-4, 1*230 V, 50Hz

P[W]

0

100

200

300

400

500

600

700

NPSH[m]

0

2

4

6

8

10

12

14

P1

P2

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H[m]

0

5

10

15

20

25

30

35

40

Q [m³/h]0 0.5 1.0 1.5 2.0 2.5 3.0 3.5

eta[%]

0

10

20

30

40

50

60

70

80

CM3-4, 1*230 V, 50Hz

P[W]

0

100

200

300

400

500

600

NPSH[m]

0

2

4

6

8

10

12P1

P2

165.3

141

75

125

158

Rp 3/8

10.5

89.6

96

137

150

125.5

323.8

173.8234.2

Rp 3/8

Rp 1

Rp 1

208.3

AUX

MAIN

LN

Description ValueGeneral information:Product name: CM3-4 A-R-G-E-AQQEProduct No: On requestEAN number: On requestTechnical:Rated flow: 3.1 m³/hRated head: 27.4 mImpellers: 4Primary shaft seal: AQQEApprovals on nameplate: CE,WRAS,ACS,TR,EACCurve tolerance: ISO9906:2012 3BPump version: AModel: AMaterials:Pump housing: Stainless steel

DIN W.-Nr. 1.4401AISI 316

Impeller: Stainless steelDIN W.-Nr. 1.4401AISI 316

Material code: GRubber: EPDMCode for rubber: EInstallation:Maximum ambient temperature: 55 °CMaximum operating pressure: 16 barMax pressure at stated temp: 10 bar / 120 °C

16 bar / 90 °CFlange standard: WHITWORTH THREAD RPPump inlet: Rp 1Pump outlet: Rp 1Connect code: RLiquid:Pumped liquid: WaterLiquid temperature range: -20 .. 120 °CLiquid temperature during operation: 20 °CDensity: 998.2 kg/m³Electrical data:Motor type: 71BRated power - P2: 0.5 kWMains frequency: 50 HzRated voltage: 1 x 220-240 VService factor: 1Rated current: 3.1-2.8 AStarting current: 530 %Rated speed: 2730-2740 rpmEnclosure class (IEC 34-5): IP55Insulation class (IEC 85): FMotor protec: TP211Others:Minimum efficiency index, MEI ≥: 0.7Net weight: 12.7 kgGross weight: 15.2 kg

165.3

141

75

125

158

Rp 3/8

10.5

89.6

96

137

150

125.5323.8

173.8

234.2

Rp 3/8

Rp 1Rp 1

208.3

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On request CM3-4 A-R-G-E-AQQE 50 Hzcos phi

eta

0.0

0.2

0.4

0.6

0.8

P2 [kW]0 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50

I[A]

0.0

1.0

2.0

3.0

4.0

CM3-4 + 71B 0.5 kW 1*230 V, 50 Hz, SF = 1

eta

cos phi

I

n[rpm]

2400

2600

2800

3000

P1[kW]

0.0

0.2

0.4

0.6

n

P1

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On request CM3-4 A-R-G-E-AQQE 50 Hz

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

165.

3

141

75

125

158

Rp

3/8

10.5

89.6

96 137

150 12

5.5

323.

8

173.

8234.

2

Rp

3/8R

p 1

Rp

1

208.

3

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Exploded view

301a

219

92

7

7a

77

301a

92

11

9

51

100

49

105

45

215a

215

18

217215a

534a534

531531a

28

17

251d

251a

6

11b

66a

67

530530a

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Sectional drawing (TM058200 for TPE2,TPE3)

4

2 13

5

TM058200

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Exploded view ( TM057026 for MGE model H/I )

251d

251b

290

287277a

286

277

273a

273

268268a289a289

288b288288a

251a

252b

156c

159d

156b

156d188

275a

153

154

158

178

185

192

191

159e

156c 156

151152

266

187

291

293

252a

172

150

287a

502

273b

157

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Parts list CM3-4, Product No. On requestValid from 9.2.2009 (0907)

Pos Description Annotation Données de classification Référence Quantité Unité- MG71B 1 pcs

Jumper 1Jumper 1

alt. 1.1 Stator 1alt. 1.2 Stator 128 Pan head screw 451 Shaft w/rotor 179 Gasket 1150 Stator housing 1152 Pan head thread forming screw 4154 Ball bearing 1154 Ball bearing Designation: 6204.2Z.C3.SYN 1155 Bearing cover 1156b Motor flange 1156d Gasket Internal diameter: 114,80 1

Outer diameter: 121,20Thickness: 0,25

158 Waved washer 1158.a O-ring 1159 O-ring Diameter: 32 1

Material type: NBRThickness: 2

159a Seal ring 1161 Capacitor cpl. 1164 Terminal box cover w/gasket 1164a Terminal box w/gasket 1166 Pan head screw 4173 Pan head thread forming screw Designation: COMBI TORX T25 1173a Base 1176 Terminal 1

Cross recess countersunk screw 4 pcs- 4 Chamber cpl. 2 pcs

4a Intermediate chamber 145 Neck ring 165 Neck ring retainer 1

- 4.d Chamber cpl. 1 pcsChamber 1Retainer for seal ring 1Guide vane 6Plate 1Vane 1

45 Neck ring 165 Neck ring retainer 1

- 5a Chamber cpl. 1 pcs4a Intermediate chamber 145 Neck ring 165 Neck ring retainer 16.a Flange 1 pcs16 Collar sleeve cpl. 1 pcs

- 25 Drain plug cpl. 2 pcs11 O-ring Diameter: 18,5 1

Material type: EPDMThickness: 2

25 Plug 131 O-ring Diameter: 114 1 pcs

Material type: EPDMThickness: 3,9

- 32 Cover 1 pcsCover plate 1

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Pos Description Annotation Données de classification Référence Quantité UnitéPlate 1

36 Lock nut Thread: M8 1 pcs49 Impeller cpl. 4 pcs51 Pump shaft Diameter: D12 1 pcs64 Spacing pipe 3 pcs64.c Clamp 1 pcs66 Wedge lock washer 1 pcs76 Nameplate 2 pcs

- 105 Shaft seal 1 pcs102 O-ring Diameter: 17,86 1

Material type: EPDMThickness: 2,62

103 Seal ring, stationary 1104 Seal ring, rotating 1107 O-ring 1108 Compression spring 1111 Retainer 1112 Driver for shaft seal 1111.a Stop ring 1 pcs151 Fan cover 1 pcs152 Pan head thread forming screw 2 pcs156 Fan 1 pcs181 Hex socket head cap screw Length (mm): 95 4 pcs

Thread: M8191 Base plate 1 pcs

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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.

[email protected]://www.lenntech.comtel. +31 152 610 900 fax. +31 152 616 289

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Grundfos CM3-4 pump : CM3-4 A-R-G-E-AQQE C-A-A-N (96806889)