AC activated-carbon filterImage may differ from the actual product.

Walker Filtration Alpha 2 · Grade AC

AC activated-carbon filter

Activated-carbon filter, black end cap. Adsorbs oil vapour and odours (≤ 0.003 mg/m³). Install downstream of an XA coalescing filter. Must not run in oil-saturated air and will not remove CO/CO₂. Element replaced at least every 6 months.

From $232 CAD, before taxes. Installation and shipping extra. The quote prevails.

Retention
activated carbon (oil vapour)
Flow
6–1500 SCFM
Sizes
18
Model Flow Conn. Weight Element Price
A3011 6 SCFM 1/8" NPT 0.55 lb0.25 kg E30306AC $77 $232
A3021 15 SCFM 1/4" NPT 0.55 lb0.25 kg E30306AC $77 $243
A3022 25 SCFM 1/4" NPT 1.32 lb0.6 kg E30408AC $96 $260
A3031 32 SCFM 3/8" NPT 1.32 lb0.6 kg E30408AC $96 $299
A3051 50 SCFM 1/2" NPT 1.54 lb0.6 kg E30412AC $160 $386
A3052 70 SCFM 1/2" NPT 3.75 lb1.7 kg E30612AC $181 $451
A3071 85 SCFM 3/4" NPT 3.75 lb1.7 kg E30612AC $181 $495
A3101 105 SCFM 1" NPT 3.75 lb1.7 kg E30612AC $181 $544
A3072 125 SCFM 3/4" NPT 4.4 lb2 kg E30621AC $205 $646
A3102 175 SCFM 1" NPT 4.4 lb2 kg E30621AC $205 $721
A3122 280 SCFM 1 1/4" NPT 10.8 lb4.9 kg E30831AC $288 $844
A3151 400 SCFM 1 1/2" NPT 10.8 lb4.9 kg E30831AC $288 $1,063
A3201 450 SCFM 2" NPT 10.8 lb4.9 kg E30831AC $288 $1,429
A3202 700 SCFM 2" NPT 12.12 lb5.5 kg E30850AC $465 $1,759
A3251 850 SCFM 2 1/2" NPT 23.15 lb10.5 kg E31140AC $627 $2,038
A3301 900 SCFM 3" NPT 23.15 lb10.5 kg E31140AC $627 $2,175
A3302 1250 SCFM 3" NPT 25.35 lb11.5 kg E31160AC $844 $2,441
A3303 1500 SCFM 3" NPT 27.56 lb12.5 kg E31175AC $998 $3,321

Replacement element = Element. CAD, before taxes. Installation and shipping extra. The quote prevails.

Grade specifications

Retention
activated carbon (oil vapour)
Max. oil carryover
0.003 mg/m³ (oil vapour)
Air quality (ISO 8573-1)
ISO 8573-1 — particle cl. 1 · oil 1
Pressure loss — clean & dry
1.7 psi (115 mbar)
Element end cap
black
Max. pressure
232 psig (16 barg)
Max. temperature
50 °C (122 °F)
Certification (CRN)
CRN registered in all Canadian provinces (Walker threaded filters, cast-aluminium, PED 2014/68/EU group-2 compliant).

Sizing for your conditions

Rated flow is given at reference conditions. Enter your actual conditions: the calculator applies the correction factors and shows the rated flow to aim for.

Capacity calculator

psig
SCFM
Combined correction factor× 1.00
Minimum rated flow required
Recommended model

Reference charts

Operating pressure
psig587287100115145174203232300
barg456781012141620.7
Factor × 0.76 × 0.84 × 0.92 × 1.00nominal × 1.07 × 1.19 × 1.31 × 1.41 × 1.51 × 1.73

Outside the 58–300 psig range: contact us.

Rated flow given at 7 barg (100 psig), reference conditions 1 bar(a) 20 °C. For maximum flow, multiply the model flow by the factor for your minimum operating pressure.

Videos

Manufacturer demos and guides (CAG Technologies YouTube channel). Videos play right here, without leaving the site — the player only loads on click.

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