Minimum Flow Rate

HOLE

(ins)

SIZE (mm)

MIN. FLOW RATE (GPM) (dnrVmin)

HOLE ins

SIZE (mm)

MIN. FLOW RATE (GPM) (dm3/min)

6V2

165.1

140

525

11

279.4

290

1475

n

200.03

220

835

121A

311.15

485

1835

81/2

215.9

270

1020

15

381

590

2230

83/4

224.24

280

1060

17V2

444.5

750

2840

97/b

250.83

325

1230

26

660.4

1325

Table 1

Jet nozzle flow areas

Nozzle

Nozzle number

Flow area

Flow area

Flow area

In.

size mm

of 1 nozzle In.2 mm2

of 2 nozzles In.2 mm2

of 3 nozzles In.2 mm2

7/32

5.5

7

.0376

24.3

.0752

48.5

.1127

72.7

7,

6.4

8

.0491

31.7

.0982

63.4

.1473

95.0

VM

7.1

9

.0621

40.1

.1242

80.1

.1864

120.2

V,a

7.9

10

.0767

49.5

.1534

99.0

.2301

148.4

11/ '32

8.7

11

.0928

59.9

.1856

119.7

.2784

179.6

%

9.5

12

.1104

71.2

.2209

142.5

.3313

213.7

13/ '32

10.2

13

.1296

83.6

.2592

167.2

.3889

250.9

7nB

11.1

14

.1503

97.0

.3007

194.0

.4510

291.0

%

11.9

15

.1726

111.4

.3451

222.6

.5177

334.0

v2

12.7

16

.1963

126.6

.3927

253.4

.5890

380.0

'16

14.3

18

.2485

160.3

.4970

320.6

.7455

481.0

5/ '8

15.9

20

.3068

197.9

.6136

295.9

.9204

593.8

11/16

17.5

22

.3712

239.5

.7424

479.0

1.1137

718.5

3/4

19.0

24

.4418

285.0

.8836

570.1

1.3254

855.2

7/8

22.3

28

.6013

287.9

1.2026

775.9

1.8040

Table 2

MINIMUM BIT HYDRAULIC HORSEPOWER VS W-R TO PREVENT HYDRAULIC FLOUNDER (H. FULLERTON)

Fullerton Hydraulic Horsepower Table

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