Cover Image
close this book A training manual in conducting a workshop in the design, construction, operation, maintenance and repair of hydrams
close this folder Session 10: Hydram construction - concrete (18 hours over a 7 day period)
View the document Handout 10A: Concrete hydram design parameters
View the document Handout 10B: Thickness of the impulse valve plate - inches
View the document Handout 10B: Thickness of the impulse valve plate - metric
View the document Handout 10C: Impulse valve steel backing - inches
View the document Handout 10C: Impulse valve steel backing - metric
View the document Handout 10D: Impulse valve seat width - inches
View the document Handout 10D: Impulse valve seat width - metric
View the document Handout 10E: Check valve backing thickness - inches
View the document Handout 10E: Check valve backing thickness - metric
View the document Handout 10F: Check valve seat width - inches
View the document Handout 10F: Check valve seat width - metric
View the document Handout 10H: Exploded view of 2- piece concrete hydram
View the document Handout 10I: Side view 2-piece concrete hydram
View the document Handout 10J: Two piece concrete hydram form
View the document Handout 10K: Two piece concrete hydram
View the document Handout 10L: One Piece Concrete Hydram Form
View the document Handout 10M: Problem
View the document Handout 10N: Materials and procedures

Handout 10D: Impulse valve seat width - inches

Drive head in feet

 

10

15

20

25

30

35

40

45

50

3/4

1/8

3/16

1/4

5/16

3/8

7/16

1/2

9/16

3/8

1

3/16

5/16

3/8

7/16

1/2

9/16

5/8

11/16

3/4

1/4

3/8

7/16

9/16

5/8

3/4

13/16

14/16

1

5/16

7/16

9/16

11/16

3/4

7/8

1

1 1/16

1 3/16

2

3/8

9/16

3/4

7/8

1

1 3/16

1 5/16

1 7/16

1 9/16

1/2

11/16

15/16

1 1/8

1 5/16

1 7/16

1 5/8

1 13/16

1 15/16

3

5/8

7/8

1 1/8

1 5/16

1 9/16

1 3/4

1 15/16

2 3/16

2 5/16

4

13/16

1 1/8

1 7/16

1 3/4

2 1/16

2 3/8

2 5/8

2 7/8

3 1/8

6

1 3/16

1 11/16

2 3/16

2 5/8

3 1/8

3 1/2

3 15/16

4 5/16

4 11/16

8

1 11/16

2 ¼

2 15/16

3 9/16

4 1/8

4 11/16

5 1/4

5 3/4

6 1/4

Impulse valve opening in inches


Impulse valve seat width in inches