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 10E: Check valve backing thickness - metric

Delivery head in meters

 

7.5

15

23

30.5

38

45.5

53.5

60

20

2

2

2

2

2

2

2

2

25

2

2

2

2

2

2

2

2

30

2

2

2

2

2

2

2

2

40

2

2

2

2

2

3

3

3

50

2

3

3

3

3

3

3

3

60

3

3

3

3

5

5

5

5

75

3

3

5

5

5

5

5

6

100

5

5

6

6

6

8

8

8

150

6

8

10

11

11

13

13

13

200

10

13

14

16

16

18

18

19

Drive pipe size in millimeters


Check valve backing thickness in millimeters