
The AirTAC Airtac PMF Female Thread Bulkhead Straight Through Fitting PMF1202D is a genuine bulkhead connector for push-in tube connection, rated 0 - 1.0 MPa (0 - 10 kgf/cm2) with a 1.5 MPa proof pressure.
The PMF1202D is an AirTAC PMF bulkhead connector in the black (D) body finish. It joins a Dia 12 mm soft nylon or polyurethane tube to a 1/4in PT threaded port, and unlike a straight connector it is designed to pass through a panel or machine wall: the threaded stud goes through the hole and the M22x1 locknut clamps the fitting in place, so the tube connects on one side and the port plumbing lives on the other.
This is the resin one-touch profile, not the metal BP line: working pressure 0-1.0 MPa (0-10 kgf/cm2), negative pressure -750 mmHg (10 Torr), proof pressure 1.5 MPa, temperature -20 to +70 C. Push the Dia 12 tube home and the internal chuck grips it; press the POM release ring to free it. On the PMF series the D suffix changes the whole body colour to black, not just the release button as it does on the PC and POC connectors.
| Model | Airtac PMF Female Thread Bulkhead Straight Through Fitting PMF1202D |
|---|---|
| Type | Bulkhead connector |
| Series | PMF |
| Connection | Push-in one-touch |
| Working pressure | 0 - 1.0 MPa (0 - 10 kgf/cm2) |
|---|---|
| Negative pressure | -750 mmHg (10 Torr) |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Applicable tubing | Soft nylon or polyurethane tube |
| Thread standard | PT (Rc tapered) unless the code says otherwise |
POM release button and chuck, aluminium-alloy guide, stainless spring gasket, NBR O-ring; body brass or PBT depending on the part. AirTAC publishes flow as a characteristic curve rather than a single figure, so no L/min value is listed.
| PMF | Bulkhead connector. |
|---|---|
| 4 / 6 / 8 / 10 / 12 | Tube outside diameter in mm (3.2 mm exists on the mini series). |
| M5 / 01 / 02 / 03 / 04 | Thread: M5x0.8, 1/8", 1/4", 3/8", 1/2" (M3 on the mini series). |
| D | Black. Blank = grey. |
Mount the PMF1202D through the backplate of an electrical enclosure so the Dia 12 supply line connects outside and the valve manifold plumbing stays tidied inside, with the M22x1 locknut holding it square to the plate.
Feed a Dia 12 main air drop through the side sheet of a cartoning or filling machine frame, keeping the fitting and its tube landing on the accessible outside face for quick tube changes during format changeovers.
On a dust-covered or sprayed test bench, route the Dia 12 line through a sealed partition wall so the wet or dirty side never exposes the release mechanism, and service tubes only from the clean operator side.
Dia 12 is the top of the PMF tube ladder, so there is no larger step - the neighbour below is Dia 10 (PMF1002), which drops to an M20x1 bulkhead locknut instead of the M22x1 used here. Each step down in tube also reduces the bore that carries your air, so step up again if a cylinder or air tool is starving. On the thread side, 1/4in is the mid size; a 3/8in stud (PMF1203) is the step up when the panel-side port is bigger. Note that PMF is never offered with an M5 thread at all, so do not plan a miniature panel port around this family.
Match the 1/4in stud to a tapped PT port or a thread sealant-compatible hole on the far side; the stud arrives with sealant applied, while bulkhead sealing against the panel is done by the locknut face. And remember the one-touch rule: the tube OD must match exactly, so a Dia 12 PMF body will not grip 12.7 mm or 10 mm tube no matter how hard you push.
Quick checklist
This is the resin one-touch bulkhead connector: working pressure 0-1.0 MPa (0-10 kgf/cm2), negative pressure down to -750 mmHg (10 Torr), proof pressure 1.5 MPa, and a working temperature of -20 to +70 C. It takes Dia 12 mm soft nylon or polyurethane tube on a 1/4in PT stud with an M22x1 bulkhead locknut, in the black D body finish.
The threaded stud passes through a plain hole in the panel or machine wall and the M22x1 locknut is tightened from the far side to clamp the fitting against the panel face. Air sealing on the port side comes from the pre-applied sealant on the 1/4in stud threads, while the tube side is sealed by the internal O-ring around the Dia 12 tube once it is pushed home. Pick a panel thickness the stud can span and leave the release ring accessible if you ever need to pull the tube.
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