Used to allow foul gases generated in the system to escape. It is used as a cap on top of the vertical line.
|
COWEL |
|||
|
Nominal Dia. |
A |
H |
B |
|
63 |
63 |
67 |
25 |
|
75 |
75 |
75 |
25 |
|
90 |
90 |
88.7 |
30.3 |
|
110 |
110 |
89 |
25 |
|
160 |
160 |
140 |
37.2 |