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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-C

Sessions 9 & 10, Handout 10C

Impulse valve steel backing

Drive head in feet

 

10

20

30

40

50

1.5

1/8

1/8

1/8

3/16

3/16

2

1/8

3/16

3/16

3/16

1/4

2 5

3/16

3/16

1/4

1/4

1/4

3

3/16

¼

5/16

5/16

5/16

4

1/4

5/16

3/8

7/16

7/16

5

5/16

7/16

1/2

1/2

9/16

6

3/8

½

9/16

5/8

11/16

8

1/2

11/16

¾

13/16

7/8

2

13/16

1

l 1/8

1 ¼

1 5/16

16

11/16

1 5/16

1 1/2

1 11/16

1 13/16

Impulse valve opening in inches


Impulse valve steel backing