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| 49 Series |
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| 39 Series |
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| Yadeke Series |
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| Q Series |
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| Multifunctional gas control |
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Donghai Pneumatic Engineering
Address: Xinan Fneghua Zhejiang China
Tel: 0574-88852318
Fax: 0574-88850089
Mobile: 13506696910
Post:315502
Url: www.dh-nb.com |
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·Products > Q Series > Air Relief-pressure Valve
 This series air source treatment unit is jointly designed with Ministry of Machine-Building Industry. It includes filter, relief-pressure valve, oil sprayer, or their combined triplet. The product adopts large-area diaphragm structure with high pressure and high flow rate, reliable performance and long service life.
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| Technical Parameter |
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| TYPE |
QSL-6 |
QSL-8 |
QSL-10 |
QSL-15 |
QSL-20 |
QSL-25 |
QSL-40 |
| Applicable temperature(ºC) |
5~60 |
| Input the pressure nominally (Mpa) |
0.63 |
| Filter the precision (µm) |
50~70 |
| Water separation efficiency (%) |
>=85 |
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| Figure Dimension |
| TYPE |
Adapter bore |
A |
D |
D1 |
d2 |
l0 |
l1 |
L |
| QSL-6 |
G1/8" |
90 |
ø70 |
ø88 |
ø55 |
15 |
114 |
160 |
| QSL-8 |
G1/4" |
| QSL-10 |
G3/8" |
| QSL-15 |
G1/2" |
| QSL-20 |
G3/4" |
114 |
ø90 |
ø112 |
ø65 |
23 |
152 |
234 |
| QSL-25 |
G1" |
| QSL-40 |
G1/2" |
130 |
ø90 |
ø130 |
ø88 |
34 |
228 |
305 |
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| air flow meter falls in pressure |
| TYPE |
Pressure is it equal to inlet pressure 5% terms to lower, examine of different inlet pressure air discharge should be smaller than the following value |
| air flux L/min |
| Inlet pressure MPa |
| 0.25 |
0.4 |
0.63 |
0.8 |
1.00 |
| QSL-6 |
200 |
290 |
450 |
360 |
680 |
| QSL-8 |
450 |
720 |
1100 |
1460 |
1700 |
| QSL-10 |
760 |
1170 |
1620 |
2000 |
2340 |
| QSL-15 |
1170 |
1460 |
2340 |
2700 |
3420 |
| QSL-20 |
1700 |
2800 |
4000 |
4600 |
5400 |
| QSL-25 |
2100 |
3420 |
5200 |
5800 |
6800 |
| QSL-40 |
2500 |
4020 |
6400 |
7000 |
8200 |
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