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E-mail
hualite@hualite-valve.com
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Phone
13505771616
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Address
No. 156-158, Zhenjiang North Street, Oubei, Yongjia County, Zhejiang Province
Zhejiang Hualite Valve Co., Ltd
hualite@hualite-valve.com
13505771616
No. 156-158, Zhenjiang North Street, Oubei, Yongjia County, Zhejiang Province

Oil tank explosion-proof breathing valve GFQ
overview
The GFQ-2 new explosion-proof breathing valve is used as the main safety equipment for installing fixed top storage tanks for crude oil, gasoline, kerosene, light diesel, aromatic hydrocarbons, etc. It plays a role in evaporation loss and protecting the storage tank from damage under overpressure or vacuum. This valve is usually used in conjunction with flame arresters.
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A-grade positive pressure
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355Pa (36mm water column)
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negative pressure
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295Pa (30mm water column)
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B-level positive pressure
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980Pa (100mm water column)
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negative pressure
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295Pa (30mm water column)
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C-level positive pressure
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1765Pa (180mm water column)
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negative pressure
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295Pa (30mm water column)
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specifications |
Weight |
Installation size (millimeters) |
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D1 |
D |
L |
H |
nר |
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DN50 |
6.5 |
Ø110 |
Ø140 |
160 |
255 |
4×18 |
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DN80 |
9.8 |
Ø150 |
Ø185 |
213 |
260 |
4×18 |
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DN100 |
12 |
Ø170 |
Ø205 |
265 |
290 |
4×18 |
|
DN150 |
21 |
Ø225 |
Ø260 |
305 |
330 |
8×18 |
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DN200 |
31 |
Ø280 |
Ø315 |
355 |
350 |
8×18 |
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DN250 |
35 |
Ø335 |
Ø370 |
420 |
400 |
12×18 |