Image may differ from the actual product. Walker Filtration Alpha 2 · Grade X25
X25 particulate filter — 25 micron
General particulate filter (25 micron), black end cap. Pre-filtration upstream of a coalescing filter, or equipment protection against coarse particles and pipe scale.
From $232 CAD, before taxes. Installation and shipping extra. The quote prevails.
- Retention
- 25 µm
- Flow
- 6–1500 SCFM
- Sizes
- 18
| Model | Flow | Conn. | Weight | Element | Price | |
|---|---|---|---|---|---|---|
| A3011 | 6 SCFM | 1/8" NPT | 0.55 lb0.25 kg | E30306X25 $77 | $232 | |
| A3021 | 15 SCFM | 1/4" NPT | 0.55 lb0.25 kg | E30306X25 $77 | $243 | |
| A3022 | 25 SCFM | 1/4" NPT | 1.32 lb0.6 kg | E30408X25 $96 | $260 | |
| A3031 | 32 SCFM | 3/8" NPT | 1.32 lb0.6 kg | E30408X25 $96 | $299 | |
| A3051 | 50 SCFM | 1/2" NPT | 1.54 lb0.6 kg | E30412X25 $160 | $386 | |
| A3052 | 70 SCFM | 1/2" NPT | 3.75 lb1.7 kg | E30612X25 $181 | $451 | |
| A3071 | 85 SCFM | 3/4" NPT | 3.75 lb1.7 kg | E30612X25 $181 | $495 | |
| A3101 | 105 SCFM | 1" NPT | 3.75 lb1.7 kg | E30612X25 $181 | $544 | |
| A3072 | 125 SCFM | 3/4" NPT | 4.4 lb2 kg | E30621X25 $205 | $646 | |
| A3102 | 175 SCFM | 1" NPT | 4.4 lb2 kg | E30621X25 $205 | $721 | |
| A3122 | 280 SCFM | 1 1/4" NPT | 10.8 lb4.9 kg | E30831X25 $288 | $844 | |
| A3151 | 400 SCFM | 1 1/2" NPT | 10.8 lb4.9 kg | E30831X25 $288 | $1,063 | |
| A3201 | 450 SCFM | 2" NPT | 10.8 lb4.9 kg | E30831X25 $288 | $1,429 | |
| A3202 | 700 SCFM | 2" NPT | 12.12 lb5.5 kg | E30850X25 $465 | $1,759 | |
| A3251 | 850 SCFM | 2 1/2" NPT | 23.15 lb10.5 kg | E31140X25 $627 | $2,038 | |
| A3301 | 900 SCFM | 3" NPT | 23.15 lb10.5 kg | E31140X25 $627 | $2,175 | |
| A3302 | 1250 SCFM | 3" NPT | 25.35 lb11.5 kg | E31160X25 $844 | $2,441 | |
| A3303 | 1500 SCFM | 3" NPT | 27.56 lb12.5 kg | E31175X25 $998 | $3,321 | |
Replacement element = Element. CAD, before taxes. Installation and shipping extra. The quote prevails.
Grade specifications
- Retention
- 25 µm
- Max. oil carryover
- 10 mg/m³
- Pressure loss — clean & dry
- 0.4 psi (30 mbar)
- Pressure loss — saturated
- 0.7 psi (50 mbar)
- Element end cap
- black
- Max. pressure
- 232 psig (16 barg)
- Max. temperature
- 120 °C (248 °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.
Reference charts
| psig | 58 | 72 | 87 | 100 | 115 | 145 | 174 | 203 | 232 | 300 |
|---|---|---|---|---|---|---|---|---|---|---|
| barg | 4 | 5 | 6 | 7 | 8 | 10 | 12 | 14 | 16 | 20.7 |
| 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.
Ready to request a quote?
Add the sizes you need to your request, then send it all at once from the quote page. Fast response, billing by transfer or purchase order — no online payment.