
The AirTAC GFR Filter Regulator GFR400C15MF1 is a genuine G-series filter regulator: water separation, 40 µm particulate filtration and balanced-type pressure regulation combined in a single body. It has See datasheet ports, a differential-pressure drain and regulates 0.15 - 0.9 MPa (20 - 130 psi). It does not lubricate — add a GL lubricator, or order the GFC two-unit set, if downstream equipment needs oil.
GFR400C15MF1 is a genuine AirTAC G-series filter regulator: a 400-size unit that removes water and particulate from compressed air and sets downstream pressure in one body. This configuration pairs a 1/2 in PT port with a manual-drain polycarbonate bowl, the standard 40 um filter element, and the embedded square pressure gauge scaled in MPa. Manual drain means an operator opens the bowl drain to clear collected water, which suits installations that are checked regularly.
Max inlet pressure is 1.0 MPa (145 psi); with a manual drain the regulator adjustment range is 0.05-0.9 MPa (7-130 psi), and working temperature is -5 to 70 C. The G-series spans 200, 300, 400 and 600 sizes from 1/8 in to 1 in ports, with automatic, manual or differential-pressure draining, 40 um or 5 um elements, square or round gauges in MPa, psi or bar scales, G (BSPP) or NPT threads, and bracket or no-bracket mounting. Flow is published as curves rather than a single rating, so we confirm datasheet figures on request.
| Model | Airtac GFR Filter Regulator GFR400C15MF1 |
|---|---|
| Series | GFR400 filter regulator |
| Port size | See datasheet (PT thread) |
| Filtering grade | 40 µm |
| Regulating range | 0.15 - 0.9 MPa (20 - 130 psi) |
| Pressure type | Standard type |
| Adjusting mechanism | Balanced type |
| Fluid | Compressed air |
|---|---|
| Max. working pressure | 1.0 MPa (145 psi) |
| Temperature range | -5 to +70 °C (unfreeze) |
| Drain type | Differential-pressure drain |
| Bowl material | PC |
| Pressure gauge | Fitted — factory standard, Factory standard scale |
| Reflux valve | Not fitted |
Specifications follow the official AirTAC G-series air-preparation data. The regulating band is set by the drain type: automatic and differential-pressure drains regulate 0.15 - 0.9 MPa, a manual drain regulates 0.05 - 0.9 MPa. Standard type, regulating 0.15 - 0.9 MPa (20 - 130 psi). 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.
| GFR400 | G-series filter regulator, 400 body — sets the port range. |
|---|---|
| C1 | Port size See datasheet. This body offers 10 = PT3/8", 15 = PT1/2". |
| (blank) | Drain: Differential-pressure drain — this also sets the regulating band (0.15 - 0.9 MPa (20 - 130 psi)). |
| (blank) | Standard type. Blank is standard, L is the low-pressure type. |
| (blank) | Mounting bracket included. |
| (blank) | Pressure gauge fitted (blank). |
| (blank) | Gauge shape: Factory standard. C is round, F is square. |
| (blank) | Gauge scale: Factory standard. 1 is MPa, 2 is psi, 3 is bar. |
| (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. |
| (blank) | No reverse-flow valve (the default). |
Field order is size, port, drain, type, bracket, gauge, shape, scale, grade, thread, reflux — a blank position takes the default. Example: GFR300-08 is a 300 body, PT1/4", differential drain, standard type, bracket included, gauge fitted, 40 µm, PT thread, no reflux valve.
A larger body carries a larger port and holds set pressure better as flow rises. AirTAC publishes flow only as curves, so size the body from your peak demand with headroom. The GFR600 uses an aluminium-alloy bowl; the 200, 300 and 400 bodies use PC.
| This model | GFR400 · See datasheet · 40 µm |
|---|---|
| One size down | GFR300 |
| One size up | GFR600 |
| Add lubrication | GFC400-C1 (two-unit set) |
Supplying the diverter and stopper cylinders along a bottling conveyor, where the regulator holds a steady working pressure so cylinders stroke consistently shift after shift and the manual drain is emptied during the daily clean-down.
Conditioning shop air at the inlet of textile processing machines, where the 40 um element strips water and pipe scale before it reaches the machine's pneumatic circuit and the square gauge shows the set pressure at a glance.
Feeding regulated air drops that run impact wrenches and nutrunners on a vehicle assembly line, giving tool operators a stable pressure setting and a drain point for water carried in from the main supply.
The 400 size with 1/2 in ports sits in the upper-mid band of the G-series; move down to 300 (3/8 in) or up to 600 (3/4 in - 1 in) to match the flow your line draws. Drain: manual suits units on a routine inspection round; choose automatic (A) or the differential-pressure default where the bowl is awkward to reach. Element: the standard 40 um grade in this code covers general machine supply; select 5 um (W) for finer protection of valves and cylinders. Gauge: the embedded square gauge reads in MPa; an external round gauge and psi or bar scales are orderable. Thread is PT as standard, with G (BSPP) and NPT as catalogue options; bracket included. AirTAC publishes flow as curves, not a single rating, so ask us to confirm sizing against the datasheet before ordering.
Quick checklist
The PC bowl must not be cleaned with solvents — wipe it with a dry cloth. Without the K option, air cannot flow back through the unit. A filter regulator adds no oil to the line.
AirTAC publishes G-series flow as performance curves rather than a single rated figure, so quoting one number would be misleading. Share your working pressure and flow requirement and we will confirm the correct size from the datasheet on request before you order.
The M in the code selects a manual-drain bowl: an operator opens the drain to release collected water, ideal for units visited on a routine round; automatic (A) and differential-pressure (default) drain versions exist for unattended positions. The blank filter-grade position gives the standard 40 um element, suited to general machine supply; order the W version for the finer 5 um element.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models are processed and dispatched in 3-5 business days.
Most inquiries answered within 7-8 hours.
Send us the quantity, thread type (PT / G / NPT), gauge scale and destination. We confirm price, availability and lead time — usually within 7-8 hours.