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 |
Operating pressure Pa |
-295~98000 -30mmH2O~+10000mmH2O |
A positive pressure |
355Pa (36 mm water column) |
negative pressure |
295Pa (30mm water column) |
B positive pressure |
980Pa (100mm water column) |
negative pressure |
295Pa (30mm water column) |
C positive pressure |
1765Pa (180mm water column) |
negative pressure |
295Pa (30mm water column) |
Standard flange connection outline dimensions: GB、JB
Specifications |
Installation dimensions(mm) |
||||
D1 |
D |
D3 |
H |
M-h |
|
DN50 |
?110 |
?140 |
160 |
255 |
4×12 |
DN100 |
?170 |
?205 |
235 |
480 |
4×16 |
DN150 |
?225 |
?260 |
295 |
547 |
8×16 |
DN200 |
?280 |
?315 |
355 |
658 |
8×16 |
DN250 |
?335 |
?370 |
420 |
705 |
12×16 |
Breathing valve flange size American Standard:ANSI、API、ASME Available for JIS standard
Specifications |
Installation dimensions(mm) |
||||
D1 |
D |
D3 |
H |
M-h |
|
2" |
120.5 |
152 |
160 |
255 |
4×19 |
4" |
190.5 |
229 |
265 |
290 |
8×19 |
6" |
241.5 |
254 |
305 |
330 |
8×22 |
8" |
298.5 |
343 |
355 |
350 |
8×22 |
10" |
362 |
406 |
420 |
400 |
12×25 |
Address:Shanghai Market Road 3360
Switchboard:021-66516999
Phone Sales:021-51619868 / 021-66518677
Post:200436
E-mail : [email protected]
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