
| A Training Manual in Conducting a Workshop in the Design, Construction, Operation, Maintenance and Repair of Hydrams (Peace Corps, 1981, 216 p.) |
| Attachments |
Sessions 9 & 10, Handout 10F - metric
Check valve seat width in millimeters
Delivery head in meters
| |
7.5 |
15 |
23 |
30 |
38 |
45 |
53 |
60 |
|
20 |
3 |
3 |
3 |
3 |
3 |
3 |
5 |
5 |
|
25 |
3 |
3 |
3 |
3 |
3 |
5 |
6 |
6 |
|
30 |
3 |
3 |
3 |
3 |
5 |
5 |
6 |
10 |
|
40 |
3 |
3 |
3 |
3 |
5 |
6 |
8 |
11 |
|
50 |
3 |
3 |
3 |
5 |
6 |
8 |
11 |
14 |
|
60 |
3 |
3 |
5 |
6 |
a |
11 |
14 |
18 |
|
75 |
3 |
3 |
5 |
8 |
10 |
13 |
16 |
21 |
|
100 |
3 |
5 |
6 |
10 |
13 |
18 |
22 |
27 |
|
150 |
3 |
6 |
10 |
14 |
19 |
25 |
30 |
41 |
|
200 |
5 |
8 |
14 |
19 |
25 |
33 |
43 |
55 |
Impulse valve opening in millimeters

Check valve seat width in
millimeters