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close this book A training manual in conducting a workshop in the design, construction, operation, maintenance and repair of hydrams
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Attachment 10-B

Sessions 9 & 10, Handout 10B

Thickness of the impulse valve plate in inches*

drive head in feet

impulse valve opening in inches

10

20

30

40

50

1.5

3/8

7/16

7/16

5/a

 

2

¼

3/8

7/16

1/2

5/8

2.5

5/16

3/6

1/2

9/16

5/8

3

5/16

7/16

1/2

9/16

5/8

4

5/16

7/16

1/2

9/16

5/8

5

3/8

1/2

9/16

5/8

11/16

6

3/C

I/2

9/16

5/8

11/16

8

7/16

1/2

5/8

11/16

3/4

12

½

5/6

11/16

3/4

13/16

16

I/2

5/8

3/4

13/16

7/8


Thickness of the impulse valve plate in inches