Marine casting type air vent head
SPECIFICATION
standard |
dimension L |
L1 |
H |
thickness |
height of lift |
DN 50 |
183 |
112 |
173 |
6.5 |
17 |
65 |
208 |
127 |
203 |
6.5 |
22 |
80 |
276 |
235 |
203 |
7.5 |
27 |
100 |
312 |
240 |
228 |
8 |
27 |
125 |
371 |
300 |
268 |
8 |
36 |
150 |
416 |
350 |
303 |
9 |
56 |
200 |
506 |
440 |
363 |
9 |
60 |
250 |
651 |
555 |
443 |
9 |
70 |
300 |
746 |
625 |
588 |
10 |
140 |
350 |
881 |
770 |
648 |
10 |
140 |
No. |
name |
material |
1 |
body |
QT400-15 |
2 |
top cover |
Q235B |
3 |
bolt |
Q235B |
4 |
washer |
Q235B |
5 |
sealing seat |
ntrile rubber |
6 |
budy |
SUS304 |
7 |
gude bolt |
Brass Hpb59-1 |
8 |
side cover |
Q235B |
9 |
fire prevention |
SUS316L |
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