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Home > Compressed Air System Packages > Micro Filters > Walker Alpha Series Compressed Air Filter Range


walkerfiltration image logoWalker Alpha Series Compressed Air Filter Range

Walker Filtration offers a comprehensive range of compressed air filtration products for use in almost every industrial environment. Within their new Alpha Series range of threaded filters they offer 19 models with connections from ¼” to 3” and flow capacities up to 1500 SCFM (2550 Nm³/h).

Manufactured in cast aluminium alloy with Walker E-coat™ protection, the optimised modular filter design ensures that high performance, ease of installation and multiple close coupling is continually achieved. 

Oleophobic borosilicate media and a custom engineered anti re-entrainment layer guarantees exceptional dirt holding and drainage. This construction minimises pressure drop and improves energy efficiency, something that is crucial in today’s economic climate.

Their self centralising, drop-fit elements are colour coded to make grade identification quick and simple.

A unique end cap design allows the elements to fully engage with the filter bowl to prevent vibration, improve stability and assist drainage.

Walker’s Alpha Series range of threaded filters are independently tested and validated to ISO 12500 to give complete peace of mind.

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Alpha Range Flow Rate (@ 7 bar) Port Size Dimensions (mm) Weight
  m³/hr cfm Inch A B C D Kg
A018 (grade) 13.6 8 ¼ 50 18 152 75 0.3
A019 (grade) 25.5 15 ¼ 50 18 152 75 0.3
A028 (grade) 42.5 25 ¼ 70 25 191 85 0.6
A038 (grade) 59.5 35 3/8 70 25 191 95 0.6
A058 (grade) 85.0 50 ½ 70 25 232 135 0.7
A059 (grade) 119 70 ½ 100 35 276 155 1.6
A078 (grade) 144 85 ¾ 100 35 276 155 1.6
A079 (grade) 212 125 ¾ 100 35 396 225 2.0
A108 (grade) 229 135 1 100 35 396 225 2.0
A109 (grade) 297 175 1 100 35 396 275 2.0
A128 (grade) 476 280 122 42 460 320 2.8
A158 (grade) 545 320 122 42 460 320 2.8
A159 (grade) 680 400 146 52 482 325 4.2
A208 (grade) 765 450 2 146 52 482 325 4.2


  Element Grade X25 X5 X1 XA AC
  Maximium particle size class * - 3 2 1 1
  Maximum oil content class * - 4 2 1 1
  Particle removal 25 micron 5 micron 1 micron 0.01 micron 0.01 micron
  Maximum oil carryover @ 20°C 10 mg/m³ 5 mg/m³ 0.1 mg/m³ 0.01 mg/m³ 0.003 mg/m³

Max working pressure 16 bar (232 psi)
* to ISO 8573-1:2001(E)

 

  Pressure Correction Factors   For max flow rate, multiply model flow rate by the correction factor corresponding to the pressure
  Operating Pressure in bar (psi) 4 (58) 5 (72) 6 (87) 7 (100) 8 (115) 10 (145) 12 (174) 14 (203)
  7 bar – correction factor 0.76 0.84 0.92 1.00 1.07 1.19 1.31 1.41

 

Walker Filtration Breathable Air Systems

Due to the increasing demand for improved environmental and safety control, Walker Filtration have compiled from its standard filter products a complete range of wall and floor mounted breathable air products that are specially designed to suit two and four port breathing air installations and comply with AS/NZS1715.

Carefully researched and tested to ensure high levels of performance and integrity, these breathable air products can be installed where clean compressed air is required.

The Walker Filtration range of filter packages offer filtration and oil removal efficiencies down to 0.01 micron and maximum oil removal to 0.003 mg/m³ (0.003 ppm). This ensures that the operator has clean, particle and liquid oil free air with the added benefit of taste and odour removal for improved user comfort and performance.