Flow Coefficients (CV)

The Cv listing below is in gallons per miute of flow of water at 60 degress F w/ (1) PSI pressure drop across the valve

VALVE

CV

2" 150# D711

195

2" 300# D721

205

2" 600# D741

290

3" 150# D711

200

3" 300# D721

375

3" 600# D741

300

4" 150# D711

530

4" 300# D721

570

4" 600# D741

850

6" 150# D711

1415

6" 300# D721

1770

6" 600# D741

2265

8" 150# D711

2400

8" 300# D721

3000

8" 600# D741

3600

10" 150# D711

3500

10" 300# D721

3540

10" 600# D741

5100

12" 150# D711

4000

12" 300# D721

4700

12" 600# D741

9200

14" 150# D711

5500

14" 300# D721

6000

16" 150# D711

6600

16" 300# D721

9400

20" 150# D711

15700

24" 150# D711

24000

Duraseal Torques and Turns

VALVE

OPERATOR

TORQUE

TURNS

SEATING
THRUST

M/KG

2” 150# D711

100 HWO

46

1.8

1,000

6.4

2” 150# D711

101 Gear

2.4

17

1,000

0.33

2” 300# D721

100 HWO

30

1.8

2,618

4.14

2” 300# D721

101 Gear

6

17

2,618

0.83

2” 600# D741

201 Gear

19

13

2,618

2.6

3” 150# D711

100 HWO

15

2

1,605

2.1

3” 150# D711

101 Gear

6

16

1,605

0.83

3” 150# D711

101 Gear

3

17

1,605

0.83

3” 300# D721

101 Gear

6

16

4,202

1.9

3” 300# D721

100 HWO

30

1.8

4,202

4.1

3” 600# D741

201 Gear

28

16

8,407

3.9

4” 150# D711

200 HWO

25

2.7

2,566

12.4

4” 150# D711

201 Gear

7

20

2,566

3.2

4” 300# D721

200 HWO

25

2.7

6,713

3.5

4” 300# D721

201 Gear

45

10

6,713

6.2

4” 600# D741

301 Gear

38

18

13,437

5.3

6” 150# D711

301 Gear

19

18.5

5,218

2.6

6” 150# D711

200 HWO

30

2.7

5,218

4.1

6” 300# D721

301 Gear

60

18.5

13,666

8.3

6” 600# D741

401 Gear

117

29

33,412

16

8” 150# D711

301 Gear

41

18.5

8,893

12

8” 300# D721

401 Gear

105

21

22,500

14.5

8” 600# D741

401 Gear

125

21

31,070

17.3

10” 150# D711

301 Gear

66

20

12,987

9.1

10” 300# D721

401 Gear

138

25

34,000

19

10” 600# D741

501 Gear

185

46

85,500

25.5

12” 150# D711

401 Gear

90

23

18,638

13.1

12” 300# D721

501 Gear

184

41

49,498

13.1

12” 600# D741

501 Gear

219

46

120,948

30.3

14” 150# D711

401 Gear

92

28

22,282

12.7

14” 300# D721

501 Gear

209

43

57,680

28.9

16” 150# D711

501 Gear

104

45

25,004

14.4

20” 150# D711

501 Gear

158

45.5

48,922

21.9

24” 150# D711

501 Gear

167

53

77,140

23

* Contact factory for special applications

*Torque for gear operators calculated in ft-lb. *Effort in lbs. for hand operators

©2005 • DuraSeal is a registered trademark of Franklin Valve and Supply