explosion vent
DD series inclined explosion-proof door
（DD4321～DD4328）
|
grade |
DD4321 |
DD4322 |
DD4323 |
DD4324 |
DD4325 |
DD4326 |
DD4327 |
DD4328 |
|
Nominal Diameter |
300 |
400 |
500 |
600 |
700 |
800 |
900 |
1000 |
|
D |
325 |
426 |
530 |
630 |
720 |
820 |
920 |
1020 |
|
B |
427 |
528 |
645 |
745 |
843 |
943 |
1053 |
1153 |
|
B1 |
563 |
706 |
866 |
1008 |
1142 |
1285 |
1424 |
1578 |
|
H |
572 |
673 |
782 |
882 |
976 |
1075 |
1174 |
1279 |
DD series circular explosion-proof door
（DD4301～DD4308）
|
grade |
DD4301 |
DD4302 |
DD4303 |
DD4304 |
DD4305 |
DD4306 |
DD4307 |
DD4308 |
|
Nominal Diameter |
300 |
400 |
500 |
600 |
700 |
800 |
900 |
1000 |
|
D |
325 |
528 |
645 |
745 |
843 |
943 |
1043 |
1153 |
|
D1 |
325 |
426 |
530 |
630 |
720 |
820 |
920 |
1020 |
|
H |
221 |
223 |
225 |
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Self opening and closing explosion-proof door 
Related products:
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