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 - metric

Drive head in meters

 

3

4.5

6

7.5

9

10.5

12

13.5

15

20

3

5

6

8

10

11

13

14

16

25

5

8

10

11

13

14

16

18

19

30

6

10

11

14

16

19

21

22

25

40

8

11

14

18

19

22

25

27

30

50

10

14

19

22

25

30

33

36

39

60

13

18

24

29

33

36

41

46

49

75

16

22

29

33

39

44

49

55

58

2100

21

29

36

44

52

60

66

72

79

150

30

43

55

66

79

89

100

109

119

200

43

56

74

89

104

119

130

146

158

Impulse valve opening in millimeters


Impulse valve seat width in millimeters