AirTAC GF400-15 Filter (GF40015MJ)
The AirTAC AirTAC GF400-15 Filter (GF40015MJ) is a genuine G-series air filter. It separates condensed water and filters particulate from the compressed-air line through a 40 µm element, with PT1/2" ports and a manual drain. A filter does not set downstream pressure — pair it with a GR regulator, or use a GFR filter regulator, when pressure control is needed.
- TypeAir filter
- Port sizePT1/2"
- Filtering grade40 µm
- DrainManual drain
- Inlet pressure0 - 0.9 MPa (0 - 131 psi)
- Bowl materialPC
- ThreadPT
- BracketSupplied without bracket
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the AirTAC GF400-15 Filter (GF40015MJ)
The AirTAC GF40015MJ is a G-series air filter for compressed air only: it strips water and particulate from the line, with no pressure regulation and no lubrication. This 400-size unit is fitted with a 1/2 in PT port and the standard 40 um element for general plant-air duty. The J in the code means no mounting bracket is supplied, so the body is plumbed directly without bracket mounting. Drainage is manual: condensate in the PC bowl is emptied by hand, and with a manual drain the maximum working pressure is 0.9 MPa (130 psi). Working temperature range is -5 to 70 C.
This is a genuine AirTAC part from the G series, available in sizes 200, 300, 400 and 600 with ports from 1/8 in to 1 in. Drain type, a 5 um element, G or NPT threads and bracket options can be specified. Flow is published as curves rather than a single rating, so we will confirm the datasheet figures on request.
AirTAC GF400-15 Filter (GF40015MJ) Technical Specifications
| Model | AirTAC GF400-15 Filter (GF40015MJ) |
|---|---|
| Series | GF400 air filter |
| Port size | PT1/2" (PT thread) |
| Filtering grade | 40 µm |
| Drain type | Manual drain |
| Bracket | Supplied without bracket |
| Fluid | Compressed air |
|---|---|
| Inlet pressure | 0 - 0.9 MPa (0 - 131 psi) |
| Max. working pressure | 1.0 MPa (145 psi) |
| Temperature range | -5 to +70 °C (unfreeze) |
| Bowl material | PC |
| Feature | Low pressure loss |
Specifications follow the official AirTAC G-series air-preparation data. The inlet-pressure band is set by the drain type: automatic and differential-pressure drains run 0.15 - 1.0 MPa, a manual drain runs 0 - 0.9 MPa. Air must not freeze in the unit. Flow curves, weight and outline dimensions are not published in our data set — ask us and we will confirm from the factory datasheet.
Model Code: AirTAC GF400-15 Filter (GF40015MJ)
| GF400 | G-series air filter, 400 body — sets the port range. |
|---|---|
| 15 | Port size PT1/2". This body offers 10 = PT3/8", 15 = PT1/2". |
| M | Drain: Manual drain. Options are differential (blank), automatic (A) or manual (M). |
| J | Supplied without bracket. A bracket ships by default; J orders it without. |
| (blank) | Filtering grade 40 µm. Only 40 µm (blank) and 5 µm (W) exist. |
| (blank) | PT thread. PT is the default; G is BSPP and T is NPT. |
Field order is size, port, drain, bracket, grade, thread — a blank position takes the default. Example: GF300-10AJW is a 300 body, PT3/8", automatic drain, no bracket, 5 µm element, PT thread.
Size Class
- GF200PT1/8" - PT1/4"
- GF300PT1/4" - PT1/2"
- GF400PT3/8" - PT1/2"
- GF600PT3/4" - PT1"
A larger body carries a larger port and passes more air at the same pressure drop. AirTAC publishes flow only as curves, so size the body from your peak demand with headroom rather than from a single rated figure. The GF600 uses an aluminium-alloy bowl; the 200, 300 and 400 bodies use PC.
| This model | GF400 · PT1/2" · 40 µm |
|---|---|
| One size down | GF300 |
| One size up | GF600 |
| Line order | Filter first, then regulator, then lubricator |
Where the AirTAC GF400-15 Filter (GF40015MJ) Is Used
CNC spindle-air feed
Inline filtration of the air feed to a CNC machining centre's pneumatic tool-change circuit, plumbed straight into the existing manifold without a bracket.
Palletiser valve island
Point-of-use filter ahead of the valve island on a palletising line, where the 1/2 in supply matches the main feeder and the bracketless body mounts on the pipe run.
Lab air ring main
Removing line moisture and debris from a laboratory compressed-air ring main before it reaches benchtop equipment, with manual draining during scheduled maintenance.
Is the AirTAC GF400-15 Filter (GF40015MJ) the Right Filter?
The 400 size with a 1/2 in PT port suits mid-to-large machine supplies; step down to 200/300 (1/8 to 3/8 in) for smaller lines or up to 600 for bulk plant air. The bracketless J configuration is intended where the filter hangs on the pipework itself or mounts in your own fixture; order the bracketed version if you want a panel or wall fixing. Drain choice is manual here, best where the bowl can be bled routinely, with automatic and differential-pressure variants for unattended points. Stay with the 40 um element for general protection or pick the W variant for 5 um. Thread is PT as standard, with G and NPT as catalogue options. Flow is given as curves, not a single rating, so ask us to confirm sizing against your application before ordering.
Quick checklist
- ✓ Body size for your peak flow (PT1/2" here)
- ✓ Element 40 µm or 5 µm
- ✓ Drain: differential, automatic or manual
- ✓ Manual drain caps inlet at 0.9 MPa
- ✓ Thread PT, G (BSPP) or NPT
- ✓ Bracket needed, or order with J
Installation & Maintenance Notes
- check Mount vertically, bowl down, and follow the airflow arrow.
- check Put the filter first in the air-preparation line.
- check Keep inlet pressure within 0 - 0.9 MPa (0 - 131 psi).
- check Drain condensate before the bowl fills.
- check Keep the unit above freezing (-5 to +70 °C, unfreeze).
- check Replace the 40 µm element when pressure loss rises.
The PC bowl must not be cleaned with solvents or exposed to synthetic oils that attack polycarbonate — wipe it with a dry cloth. A filter removes water and particulate only; it does not regulate pressure or add lubrication.
AirTAC GF400-15 Filter (GF40015MJ) FAQ
AirTAC publishes filter flow as curves, not as a single rated figure, so we do not quote one l/min or SCFM value. Send us your line pressure and air consumption and we will confirm the flow-curve data from the datasheet for this model on request.
J selects the no-bracket configuration: the filter body is supplied without a mounting bracket, for direct pipework or fixture mounting. The same filter is available with a bracket included as GF40015M. Everything else - 1/2 in PT port, manual drain, 40 um element - is identical.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
Request a Quote for AirTAC GF400-15 Filter (GF40015MJ)
Send us the quantity, thread type (PT / G / NPT) and destination. We confirm price, availability and lead time — usually within 7-8 hours.