
The AirTAC Airtac PCF Female Thread Straight Fitting PCF1203D is a genuine female connector for push-in tube connection, rated 0 - 1.0 MPa (0 - 10 kgf/cm2) with a 1.5 MPa proof pressure.
The PCF1203D is an AirTAC PCF female one-touch connector: a 3/8 in PT internal thread on one end and a push-in socket for Dia 12 mm soft nylon or polyurethane tube on the other. The internal thread lets you screw the fitting onto a male stud or a tapped port instead of winding the fitting itself into a hole, which is often neater on valve islands and manifold blocks where a protruding hex would foul adjacent parts. The D suffix gives the body in black rather than the standard grey.
To make the joint, cut the tube square, push it straight into the collet until it bottoms, and the stainless spring gasket and chuck grip it against a NBR O-ring. Pressing the POM release ring frees the tube for repositioning or removal. This is the resin/brass profile: working pressure 0-1.0 MPa, vacuum down to -750 mmHg, proof pressure 1.5 MPa, and a service range of -20 to +70 C. The PBT body sits on a brass stud, and the PT taper thread arrives with sealant already applied, so no extra tape or paste is needed on assembly.
| Model | Airtac PCF Female Thread Straight Fitting PCF1203D |
|---|---|
| Type | Female connector |
| Series | PCF |
| 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.
| PCF | Female 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. |
Screwed onto the male 3/8 in stud of a solenoid valve manifold, it converts the port straight into a Dia 12 polyurethane trunk line feeding downstream actuators, with no protruding fitting hex between closely pitched valves.
On a packaging machine's air preparation stack, the female thread lands directly on the regulator outlet boss, delivering regulated air into a 12 mm line sized for high-consumption pick-and-place grippers.
Where a bottling line conveyor divertor cylinder has a 3/8 in tapped port facing the guard, a short black connector with 12 mm tube keeps the drop from the valve bank tidy and the POM release ring accessible for fast cylinder changes.
At the 3/8 in port size the Dia 12 step below this one is Dia 10 (PCF1003), the choice when the line is feeding smaller cylinders or a valve with restricted ports; Dia 12 is the top of the 3/8 in ladder, so stepping up in bore means moving to the 1/2 in thread version PCF1204, typically for longer trunk runs where pressure drop matters. Remember the tube must be exactly 12 mm OD: a nominal 1/2 in hose measures about 12.7 mm and will neither seal nor release properly in a Dia 12 socket.
Pick a female connector when the machine port already carries the male thread, for example a stud on a solenoid valve or a boss on an FRL unit. If you need to turn the line 90 degrees at the port, use the PLF female elbow instead; if you must pass through a panel wall, the PMF bulkhead connector is the right shape.
Quick checklist
It is an AirTAC PCF female one-touch connector joining Dia 12 mm soft nylon or polyurethane tube to a 3/8 in PT internal thread. Working pressure is 0-1.0 MPa (0-10 kgf/cm2), vacuum down to -750 mmHg (10 Torr), proof pressure 1.5 MPa, and the temperature range is -20 to +70 C. The body is black (D suffix) PBT on a brass stud, with a POM release button, stainless spring gasket and NBR O-ring. It runs soft tube only: at low temperature the tube, not the fitting, is usually the limiting factor.
No. The 3/8 in PT taper thread is supplied with sealant pre-applied, so it seals as delivered; M5 sizes in this catalogue are the ones that use a sealing gasket instead. Screw the female thread onto the male port stud hand-tight plus a firm spanner turn, orient the body, and check for leaks at working pressure. Because the thread is PT, do not substitute it into a parallel BSPP port or an NPT hole - the taper and pitch differ and the joint will not seal reliably.
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