
The AirTAC Airtac PHF Tandem Toggle Joint PHF1003 is a genuine universal female elbow for push-in tube connection, rated 0 - 1.0 MPa (0 - 10 kgf/cm2) with a 1.5 MPa proof pressure.
The PHF1003 is an AirTAC PHF universal female elbow, a one-touch fitting that joins Dia 10 mm soft nylon or polyurethane tubing to a 3/8 in female PT port. Because the thread is female, the fitting body screws onto a male stud already on the valve or cylinder, so you can bolt the elbow down first and then swing the tube leg to whichever angle the run needs.
Push the tube into the chuck and the stainless spring gasket plus POM grip ring lock it in the direction of pull; press the release button to free it. This is the resin/brass profile: working pressure 0-1.0 MPa (0-10 kgf/cm2), vacuum down to -750 mmHg, proof pressure 1.5 MPa, and a service range of -20 to +70 C. The female seat uses a PBT body on a brass stud, and the 3/8 in port size accepts a standard male PT fitting sealed with tape or sealant on the male thread.
| Model | Airtac PHF Tandem Toggle Joint PHF1003 |
|---|---|
| Type | Universal female elbow |
| Series | PHF |
| 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.
| PHF | Universal female elbow. |
|---|---|
| 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. |
On a rotary index table the cylinder port points wherever the manufacturer stamped it. The PHF1003 threads onto the 3/8 in male stud and the Dia 10 tube leg then swings to follow the bend radius of the cable chain, absorbing the angular misalignment a fixed elbow cannot.
A carton erector alternates vacuum hold-down and blow-off on the same Dia 10 supply legs. This fitting holds 0-1.0 MPa on the blow side and still seals at -750 mmHg on the vacuum side, so one elbow spec covers both halves of the cycle.
When an old machine's cast manifold has a 3/8 in tapped port facing the wrong way, a female elbow lets the fitter screw the body onto the male adapter and re-aim the tube leg during the rebuild instead of re-machining the manifold or rerouting tube.
On the 3/8 in row of the PHF ladder you can also buy Dia 6, 8 and 12 tubes. Step down to PHF803 when the branch feeds a smaller cylinder or the panel space demands slimmer tube; step up to PHF1203 when the run supplies a large-bore actuator and you want lower resistance through the same 3/8 in port. Note that if you drop the thread to 1/8 in, PHF only carries Dia 4, 6 and 8, so a Dia 10 tube forces you to 1/4 in or larger.
The female entry matters for mounting: it lets you spin the whole elbow onto the male stud and clock the tube leg before final tightening, which a fixed-angle PLF cannot do. Tube OD must match exactly - a Dia 10 PHF will not grip 3/8 in (9.5 mm) or 12 mm tube, so order the exact size.
Quick checklist
Working pressure 0-1.0 MPa (0-10 kgf/cm2), negative pressure -750 mmHg (10 Torr), proof pressure 1.5 MPa, operating temperature -20 to +70 C. The fitting accepts Dia 10 mm soft nylon or polyurethane tube and presents a 3/8 in female PT thread that mounts onto a male PT stud. It is the resin/brass one-touch family with a PBT body, brass stud, POM release button and NBR seal.
Yes on both counts. Because the 3/8 in entry is female, the seal goes on the MALE thread of the stud or adapter you screw it onto - apply tape or sealant there, not inside the female seat. The universal joint lets you rotate the tube leg to any angle; do this with the system depressurised, and always release the Dia 10 tube with the button rather than pulling it out under pressure.
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