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Grundfos CR, CRN High Pressure Pumps

Product Description

The CR, CRN high pressure series is a multipurpose high pressure water pump range suitable for a variety of different applications demanding positive displacement with reliable and cost-efficient supply. CR, CRN handles a variety of liquids from potable water to industrial liquids within a very wide temperature, flow and pressure scale.

CRNE 1 and 3 HS - CRNE-HS is a single pump solution capable of generating up to 692 psi. The CRNE-HS pump is a non selfpriming, vertical multistage centrifugal pump fitted with a high speed Grundfos motor with integrated frequency converter, type MLE. The direction of rotation is the opposite of that of standard pumps, and the chamber stack is turned upside-down, resulting in the pumped liquid flowing in the opposite direction.

CRN 5, 10, 15, and 20 SF - CRN-SF is a double pump system capable of generating up to 696 psi. The system consists of two pumps in series. The first pump is a standard pump for feeding. The second pump is especially designed for high pressures. This data booklet covers technical information about the high pressure pump. The CRN-SF pump is a non-selfpriming, vertical multistage centrifugal pump fitted with a Grundfos specified TEFC-motor. The pump consists of a base and a pump head. The pump body and the outer sleeve are secured between the base and the pump head by means of staybolts. The direction of rotation is the opposite of that of standard pumps, and the chamber stack is turned upside-down, resulting in the pumped liquid flowing in the opposite direction.

CR32, CRN 32 - CR, CRN is a pump capable of generating up to 568 psi. The pump is especially designed for high pressures. This product guide covers technical information about the high pressure pump. The CR, CRN high pressure pump is a non-selfpriming, vertical multistage centrifugal pump fitted with a Grundfos specified motor and a specially developed high-pressure shaft seal. When necessary it includes a special pump sleeve and a bearing flange which make the pump capable of handling higher pressures.

2xCR(N) 45, 64, and 90 - 2 x CR, CRN is a double pump system capable of generating up to 557 psi. The system consists of two pumps in series. The first pump is a standard pump for feeding. The second pump is can be a specially designed pump for high pressures. This product guide covers technical information about the high pressure pump. The CR, CRN high pressure pump is a non-selfpriming, vertical multistage centrifugal pump fitted with a Grundfos specified motor and a specially developed high-pressure shaft seal. When necessary it includes a special pump sleeve and a bearing flange which make the pump capable of handling higher pressures.

2x CR(N) 120 and 150 - 2 x CR, CRN is a double pump system capable of generating up to 557 psi. The system consists of two pumps in series. The first pump is a standard pump for feeding. The second pump is specially designed for high pressures. This product guide covers technical information about the high pressure pump. The CR, CRN high pressure pump is a non-selfpriming, vertical multistage centrifugal pump fitted with a Grundfos specified motor and a specially developed high-pressure shaft seal. When necessary it includes a special pump sleeve and a bearing flange which make the pump capable of handling higher pressures.

[custom-specifications]

Vertical Multistage Centrifugal Pumps 50/60 Hz

Range

CR,CRN,CRI
1s

CR,CRN CRI, CRE
1

CR, CRN, CRI , CRE
3

CR, CRN, CRI, CRE
5

CR, CRN, CRI, CRE
10

CR, CRN, CRI, CRE
15

CR, CRN, CRI, CRE
20

Nominal Flow Rate (US GPM)

4.5

8.5

15

30

55

95

110

Temperature Range (°F)

-

-

-

-4 to +250

-

-

-

Temperature Range (°F) – On Request

-

-

-

-40 to +356

-

-

 

Max. Working Pressure (PSI)

362

362

362

362

362

362

362

Max. Working Pressure (PSI) – On Request

-

725

725

725

725

725

725

Max. Pump Efficiency (%)

35

49

59

67

70

72

72

CR Pumps

CR: Flow Range (US GPM)

0.5-5.7

1-12.8

1.5-23.8

3-45

5.5-70

9.5-125

11-155

CR: Max. Pump Pressure (H(ft))

760

790

790

780

820

800

700

CR: Motor Power (Hp)

.33-2

.33-3

.33-5

.75-7.5

.75-15

2-25

3-25

 

Range

CR, CRN, CRE
32

CR, CRN, CRE
45

CR, CRN, CRE
64

CR, CRN, CRE
90

CR, CRN, CRE
120

CR, CRN, CRE
150

Nominal Flow Rate (US GPM)

140

220

340

440

610

750

Temperature Range (°F)

-

-22 to +250

-22 to +250

-

-22 to +250

-22 to +250

Temperature Range (°F) – On Request

-

-40 to 356

-40 to 356

-

-

-

Max. Working Pressure (PSI)

435

435

435

435

435

435

Max. Working Pressure (PSI) – On Request

580

580

580

580

-

-

Max. Pump Efficiency (%)

76

78

79

80

75

73

CR Pumps

CR: Flow Range (US GPM)

14-210

22-310

34-450

44-630

61-700

75-790

CR: Max. Pump Pressure (H(ft))

995

940

565

595

685

570

CR: Motor Power (Hp)

5-50

7.5-60

10-60

15-60

20-100

25-100

 

Range

CR, CRN
95

CR, CRN
125

CR, CRN
155

Nominal Flow Rate (US GPM (m³/h))

500 (114)

660 (150)

820 (186)

Temperature Range (°F)

-

-22 to +2481)(-30 to +120)

-

Maximum Pump Efficiency (%)

82.5

82.5

82.5

CR, CRN Pumps

Flow Range (US GPM)

255-660

330-860

410-1060

Max. Pump Pressure (H(ft))

5372) (37)

5662)(39)

5802)(40)

Motor Power (Hp(kW))

20-75 (15-55)

20-150 (15-111)

25-150 (18-111)


[/custom-specifications]
[custom-features]

  • Compact, inline design fits into small footprint
  • Easy installation and operation with settings and internal connections done at factory
  • Highly efficient design reduces energy consumption by up to half compared to fixed speed pumps
  • Unique cartridge seal design can be replaced in minutes
  • Spacer coupling allows motor to be left in place during seal replacement
  • Remote control/fieldbus monitoring and data collection
  • Building management system compatible
  • User friendly controller interface with advanced features and functionality
  • Laser welded stainless impellers promote class leading efficiency
  • Optional CR Cool-Top™ allows pump to withstand liquid temperatures of up to 356°F
  • Eleven flow sizes, with a variety of shaft seals, rubber materials and supply voltages
  • MAGdrive option available for demanding industrial applications where zero-leakage is required operating range
  • Integrated sensor available
  • AISI 316 stainless steel throughout

[/custom-features]
[custom-usage]

Applications

  •  Process water
  •  Washing and cleaning
  •  High-pressure washdown
  •  Boiler feed and condensate
  •  Ultra-filtration
  •  Reverse Osmosis
  •  Positive Displacement

[/custom-usage]

[/custom-documents]

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