Figure 3: Standard Pumps and Trim Based on Chiller Capacities

(Flow based on 2.4 gpm per ton)

American Standards

Capacity

Trim

Process

Recirculating

Nominal

Nominal flow

size

pump

pump

refrigeration tons

gallons

inches

hp

hp

25

60

2½”

5

3

35

84

2½”

3

50

120

3”

5

60

144

3”

10

5

75

180

4”

10

5

90

216

4”

15

100

240

4”

15

125

300

4”

20

155

372

6”

20

10

185

444

6”

25

10

220

528

6”

30

15

250

600

6”

30

15

310

744

6”

40

20

375

900

6”

50

20

Pump horsepower

3

5

10

15

20

25

30

40

50

60

Amp draw 460/3/60

2.6

4.8

7.6

11

14

21

27

34

40

52

65

77

Shipping weight (lbs.) • P1

95

115

125

165

180

300

310

400

465

710

730

• P2

60

90

115

275

320

425

510

630

670

Trim size (inches)

2

3

4

6

8

Maximum flow (gpm)

50

90

160

320

900

2,000

Shipping weight (lbs.)

25

35

50

75

120

165

Metric Standards

Capacity

 

Trim

Process

Recirculating

Nominal refrigeration,

 

Nominal flow

size

 

pump

pump

 

chilled water, Kcal/hr

 

liters

mm dia.

hp

 

kW

hp

 

kW

75,600

 

227

64 mm

5

 

3.73

3

 

2.24

105,840

 

318

64 mm

 

5.59

3

 

2.24

151,200

 

454

76 mm

 

5.59

5

 

3.73

181,440

 

545

76 mm

10

 

7.50

5

 

3.73

226,800

 

681

102 mm

10

 

7.50

5

 

3.73

272,160

 

818

102 mm

15

 

11.19

 

5.59

302,400

 

908

102 mm

15

 

11.19

 

5.59

378,000

 

1,136

102 mm

20

 

14.91

 

5.59

468,720

 

1,408

152 mm

20

 

14.91

10

 

7.50

559,440

 

1,680

152 mm

25

 

18.64

10

 

7.50

665,280

 

1,998

152 mm

30

 

22.37

15

 

11.19

756,000

 

2,271

152 mm

30

 

22.37

15

 

11.19

937,440

 

2,816

152 mm

40

 

29.93

20

 

14.91

1,134,000

 

3,407

152 mm

50

 

37.29

20

 

14.91

Pump horsepower/kW

1½/1.1

3/2.24

5/3.73

7½/5.5

10/7.5

15/11.1

20/14.9

25/18.6

30/22.3

40/29.9

50/37.2

60/44.7

 

2

 

 

9

 

9

1

4

7

3

9

4

Amp draw 460/3/60

2.6

4.8

7.6

11

14

21

27

34

40

52

65

77

Ship weight (Kg) P1

44

53

57

75

82

137

141

182

211

323

332

P2

28

41

53

125

146

193

232

286

304

Trim size (mm)

51 mm

64 mm

76 mm

102 mm

152 mm

203 mm

Maximum flow (lpm)

189

340

624

1,211

3,406

7,570

Shipping weight (Kg)

12

16

23

35

55

75

Pump Tanks

Chapter 6: Appendix

24 of 36

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Image 24
Sterling A0552321 specifications Standard Pumps and Trim Based on Chiller Capacities

A0552321 specifications

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