
| 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
Check valve seat width in inches
Delivery head in feet
| |
25 |
50 |
75 |
100 |
125 |
150 |
175 |
200 |
|
¾ |
1/8 |
1/8 |
1/8 |
1/8 |
1/8 |
1/E |
3/16 |
3/16 |
|
1 |
1/8 |
1/8 |
1/8 |
1/8 |
1/8 |
3/16 |
1/4 |
1/4 |
|
1¼ |
1/8 |
1/8 |
1/8 |
i/8 |
3/16 |
3/16 |
1/4 |
3/8 |
|
1½ |
1/8 |
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 |
|
2½ |
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 |
¼ |
3/8 |
1/2 |
11/16 |
7/8 |
17/16 |
|
6 |
1/8 |
¼ |
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 |
Impulse valve opening in inches

Check valve seat width in
inches