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The Working Principle Of Compressed Air Filter
Gravity
In compressed air, oil droplets with particle diameters ranging from 20μm to 50μm will directly gather at the bottom of the filter under the action of gravity. The greater the airflow velocity, the lower the filtration efficiency;
Inertial collision
Large-area particles with a diameter greater than 1μm are not consistent with the airflow path. The greater the airflow velocity, the higher the collision rate and the better the effect.
Direct intercept
The airflow of particles with a diameter of 1μm to 0.3μm is intercepted and separated by the fiber layer at 1/2 of the filter element. The smaller the particle, the lower the interception efficiency.
Penetration
Particles with a diameter of less than 0.3μm are too small for liquid versatility. The irregular Brownian motion generated at this time is inconsistent with the air flow path. The smaller the particle, the more intense the Brownian motion and the greater the probability of capturing.
Filter Type
①Particulate compressed air filters are used to remove dust and particles from the air.
②Coalescing filters are used mainly to capture oil and/or moisture that is suspended in the compressed air in very tiny droplets.
③Activated carbon filters remove (oil) odors and vapors.
Let’s take a look at the different types of air filters and the questions that will help you choose the correct filter.
| ①Assess the requirements of your application. Different industry require different solution. | ③Any specific micron of filtration performance you required? | |||||||
| ②What type of filtration is needed? Coalecent filter material removes solid and liquied contaminants from gas streams. Particulate filter media removes solid from gas streams. Absorber media removes hydrocarbon vapors from gas streams. | ||||||||
| ④What are the working conditions of your application? Mainly criteria of consider : Flow, working pressure, temperature,pressure loss,material of structure (stainless steel, aluminum alloy, mild steel, carbon steel) | ||||||||
| ⑤Filter flow rate from how much SCFM? Pressure drop should be less than **bar? For saving the cost and protect environment. | ||||||||
② 6000~8000 hours spanlife for filter element,filtering performance up to 99.99%
③ Integrated die-casting filter up to 3 inch, flow rate up to 37.2m³/min.
④ Alternative for Domnick Hunter Oil X Plus Series.
⑤ Configuration: Differential pressure indicator, sight glass, auto drain.
Filter Element Grade
Filtration Grade
PF
AO
AA
AX
ACS
AR
AAR
Particle removal (ISO12500-3)
5μm
1μm
0.01μm
0.01μm
-
1μm
0.01μm
Outlet oil aerosol concentration (ISO12500-1)
5mg/m³
0.6mg/m³
<0.01mg/m³
<0.001mg/m³
<0.004mg/m³
-
-
Filtration performance of Particle (ISO12500-3)
-
99.999+%
99.999+%
99.999+%
99.999+%
99.999+%
99.999+%
Filtration performance of (ISO12500-1)
50%
80+%
99.9+%
99.99+%
-
-
-
Element spanlife
6000 hours
6000 hours
6000 hours
6000 hours
2000-3000 hours
4000-6000 hours
4000-6000 hours
Precede with
Before refrigerated air dryer
after air dryer
after AO
after AA
before AX
after desiccant dryer
after AR
Model
Pipe size
Flow rates
Dimension (mm)
L/S
m³/min
scfm
W(Width)
D (Depth)
H (Height)
A
B
C(clearance for housing)
YD017
RC1/2"
16.7
1.0
35.3
89
79
246
40
186
118
YD025
RC3/4"
25.0
1.5
53.0
89
79
246
40
186
118
YD030
RC1/2"
30.0
1.8
63.6
89
79
280
40
220
158
YD035
RC3/4"
33.3
2.0
70.6
89
79
280
40
220
158
YD058
RC3/4"
46.7
2.8
98.9
120
110
377
55
276
195
YD068
RC1"
60.0
3.6
127.1
120
110
377
55
276
195
YD080
RC1"
80.0
4.8
169.5
120
110
477
55
377
290
YD145
RC1-1/2"
120.0
7.2
254.2
120
110
477
55
377
290
YD220
RC2"
200.0
12.0
423.7
162
151
676
64
566
480
YD260
RC2-1/2"
233.3
14.0
494.4
162
151
676
64
566
480
YD330
RC2"
267.2
16.0
564.8
162
151
984
64
875
780
YD360
RC2-1/2"
317.3
19.0
670.7
162
151
984
64
875
780
YD405
RC2-1/2"
367.4
22.0
776.6
200
189
757
78
634
560
YD430
RC3"
467.6
28.0
988.4
200
189
757
78
634
560
YD620
RC3"
620.0
37.2
1313.6
200
189
1012
78
889
780
Technical requirements
Maximum operating pressure: 10 barg Maximum operating temperature: 80°C Minimum operating temperature:1.5°C
| Pressure | Barg | 1 | 2 | 3 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Psig | 15 | 29 | 44 | 73 | 87 | 100 | 116 | 131 | 145 | 160 | 174 | 189 | 203 | 219 | 232 | |
| Correction factor | 0.38 | 0.53 | 0.65 | 0.85 | 0.93 | 1.00 | 1.07 | 1.13 | 1.19 | 1.23 | 1.31 | 1.36 | 1.41 | 1.46 | 1.51 | |
Compressed Air Filter Parts in Detail
Success Cases
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Main Product:
Compressed Air Dryer,
Compressed Air Filter ,
Water Gas Separator,
Condensate Auto Drain,
Air Filter Element,
Differential Pressure Gauge
