Airtac PMF Female Thread Bulkhead Straight Through Fitting PMF1204D
The AirTAC Airtac PMF Female Thread Bulkhead Straight Through Fitting PMF1204D 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.
- TypeBulkhead connector
- SeriesPMF
- Working pressure0 - 1.0 MPa (0 - 10 kgf/cm2)
- Proof pressure1.5 MPa
- Temperature-20 to +70 °C
- 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 PMF Female Thread Bulkhead Straight Through Fitting PMF1204D
The PMF1204D is an AirTAC PMF bulkhead connector in the all-black D colour option. It pushes onto Dia 12 mm soft nylon or polyurethane tube on one side and offers a 1/4 inch PT male thread, pre-coated with sealant, on the other. The fitting is made to pass through a hole in a panel or machine wall: the threaded stud goes through, an external locknut clamps it in place, and the tube side stays accessible for a one-touch connection - push the tube home and the internal chuck plus stainless spring gasket grip it; press the release ring and the tube slides free.
This is the resin and brass one-touch profile, not the metal BP line: working pressure 0-1.0 MPa (0-10 kgf/cm2), vacuum down to -750 mmHg (10 Torr), proof pressure 1.5 MPa and a temperature window of -20 to +70 C. Because this code carries the D suffix on a non-PC series, the whole body is black rather than the standard grey, which helps the fitting blend into dark control cabinets and machine frames.
Airtac PMF Female Thread Bulkhead Straight Through Fitting PMF1204D Technical Specifications
| Model | Airtac PMF Female Thread Bulkhead Straight Through Fitting PMF1204D |
|---|---|
| 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.
Model Code: Airtac PMF Female Thread Bulkhead Straight Through Fitting PMF1204D
| 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. |
Fitting & Sealing Notes
- check Cut the tube square and clean before pushing it home, or the seal will leak.
- check Push until it stops, then pull back to check the chuck has gripped.
- check To release, press the collet ring fully in and pull the tube out.
- check Threaded parts arrive with sealant on the thread; M5 sizes use a sealing gasket.
- check Match the tube OD exactly - a 6 mm fitting will not hold 1/4" tube.
Where the Airtac PMF Female Thread Bulkhead Straight Through Fitting PMF1204D Is Used
Electrical cabinet pass-through
Mount the PMF1204D through the wall of a pick-and-place machine's control cabinet so pneumatic lines terminate outside the enclosure, keeping solenoid valve wiring and air tubing separated for inspection.
Rotary indexing table manifold
On a multi-station rotary table, fix the bulkhead to the centre column wall and run Dia 12 mm trunk tubing to it, giving maintenance staff a rigid, tool-free release point for each station drop.
FRL outlet on a wash-frame rig
Use the 1/4 inch PT thread, already sealant-coated, to screw straight into an FRL or manifold outlet, then hand-push Dia 12 mm feed tube to downstream cylinders with no extra thread sealing work.
Is the Airtac PMF Female Thread Bulkhead Straight Through Fitting PMF1204D the Right Part?
Dia 12 mm is the largest tube bore AirTAC makes in this resin one-touch ladder, so there is no step up - if your line is bigger you are outside this catalogue. The neighbour down is the PMF1102 in Dia 10 mm, which carries less air per the bore but suits narrower 10 mm tubing runs; both share the 1/4 inch thread, so you can swap without touching the panel port. On the thread side, 1/8 inch sits one step down and 3/8 inch one step up within the PMF range - match the thread to the port you actually have rather than winding in adapters, since every extra joint is an extra leak path.
Choose the PMF shape when the fitting must be fixed to a structure: the locknut holds the connector rigid while the tube is connected and released from outside. Do not pair this with a bulkhead union (PM) or bulkhead male elbow (PLM) by mistake - PMF is the version with the external male thread. And remember the tube OD must match exactly: a Dia 12 mm chuck will not seal on 1/2 inch imperial hose.
Quick checklist
- ✓ Tube outside diameter matches exactly
- ✓ Thread size and standard match the port
- ✓ Working pressure within 0 - 1.0 MPa (0 - 10 kgf/cm2)
- ✓ Temperature within -20 to +70 °C
Airtac PMF Female Thread Bulkhead Straight Through Fitting PMF1204D FAQ
Working pressure is 0-1.0 MPa (0-10 kgf/cm2), negative pressure goes to -750 mmHg (10 Torr), proof pressure is 1.5 MPa, and the service temperature range is -20 to +70 C. The part joins Dia 12 mm soft nylon or polyurethane tube to a 1/4 inch PT male thread, and the panel locknut thread for Dia 12 mm is M22x1.
Drill a hole sized for the M22x1 stud, pass the threaded end through, and run the locknut up from the outside until the fitting is clamped - the connector then stays put while you connect and release the tube from either side. The 1/4 inch PT thread arrives with sealant already applied, so no additional PTFE tape is required; M5 sizes in this family instead use a sealing gasket.
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