body material |
Carbon steel WCB, stainless steel 304, 316, aluminum alloy |
Positive pressure valve disc material |
Stainless steel 304, 316, aluminum alloy |
Negative pressure valve disc material |
Stainless steel 304, 316, PTFE PTFE |
ambient temperature ℃ |
-30~60 |
positive pressure |
353Pa (36mmH2O), 980.7Pa(100mmH2O) |
negative pressure |
294.2Pa(36mmH2O) |
QZF-89 all weather resistance fire breathing valve GB flange connection size: GB、JB
規(guī)格 |
Installation dimensions(mm) |
||||
D1 |
D |
L |
H |
N-d |
|
DN50 |
?110 |
?140 |
362 |
360 |
4×14 |
DN80 |
?170 |
?185 |
513 |
445 |
4×18 |
DN100 |
?170 |
?205 |
513 |
445 |
4×16 |
DN150 |
?225 |
?260 |
640 |
610 |
8×18 |
DN200 |
?280 |
?315 |
770 |
700 |
8×18 |
DN250 |
?335 |
?370 |
918 |
828 |
12×18 |
DN300 |
?395 |
?435 |
1050 |
910 |
12×23 |
QZF-89 type all-weather fire breathing valve American Standard flange dimensions:ANSI、API、ASME For JISstandard
規(guī)格 |
Installation dimensions(mm) |
||||
D1 |
D |
L |
H |
N-d |
|
2" |
120.5 |
152 |
362 |
360 |
4×14 |
3" |
152.5 |
190 |
513 |
445 |
4×18 |
4" |
190.5 |
229 |
513 |
445 |
4×16 |
6" |
241.5 |
254 |
640 |
610 |
8×18 |
8" |
298.5 |
343 |
770 |
700 |
8×18 |
10" |
362 |
406 |
918 |
828 |
12×18 |
12" |
483 |
432 |
1050 |
910 |
12×23 |
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