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 10F: Check valve seat width - inches

Delivery head in feet

 

25

50

75

100

125

150

175

200

3/4

1/8

1/8

1/8

1/8

1/8

1/8

3/16

3/16

1

1/8

1/8

1/8

1/8

1/D

3/16

1/4

1/4

 

1/8

1/8

1/8

3/16

3/16

1/4

3/8

It

I/8

1/8

1/8

1/8

3/16

1/4

5/16

7/16

2

1/8

1/8

1/8

3/16

1/4

5/16

7/16

9/16

1/8

1/8

3/16

1/4

5/16

7/16

9/16

11/16

3

1/8

1/8

3/16

5/16

3/8

1/2

5/8

13/16

4

1/8

3/16

1/4

3/8

1/2

11/16

7/8

17/16

6

1/8

1/4

3/8

9/16

3/4

1

1 1/4

1 5/8

8

3/16

5/16

9/16

3/4

1

1 5/16

1 11/16

2 3/16

Drive pipe size in millimeters


Check valve seat width in inches