
The AirTAC Airtac PHW F Thread Swivel Tee Fitting PHW801D is a genuine double universal male elbow for push-in tube connection, rated 0 - 1.0 MPa (0 - 10 kgf/cm2) with a 1.5 MPa proof pressure.
The PHW801D is an AirTAC double universal male elbow from the PHW series: a Dia 8 mm one-touch fitting that pushes onto 8 mm soft nylon or polyurethane tube and screws into a 1/8in PT male port. Unlike the single-pivot PH, this part carries two swivelling joints, so the elbow can twist through two planes at once and still land square on the port. Push the tube in and the internal chuck grips it; press the release ring and it lets go.
This is the resin/brass one-touch profile, not the metal BPC line: working pressure 0-1.0 MPa, vacuum down to -750 mmHg, proof pressure 1.5 MPa, and a temperature window of -20 to +70 C. The D suffix gives the whole fitting a black body, not just the grey POM release button, which matters on machines where colour-coded black air lines are part of the build standard. Note that PHW offers no M5 option at all, and at a 1/8in thread Dia 8 is the largest tube the series supports.
| Model | Airtac PHW F Thread Swivel Tee Fitting PHW801D |
|---|---|
| Type | Double universal male elbow |
| Series | PHW |
| 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.
| PHW | Double universal male 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 tape-and-fold carton sealers the cylinder sits on a pivoting swing arm. Two swivelling joints let the air line follow the arm's motion plane without kinking an 8 mm tube at the port.
Rotary indexing tables often put cylinder ports facing the wrong way once the fixture plate is bolted down. The PHW801D twists through two planes so the 8 mm run drops vertically after the fitting is torqued in.
Black-bodied fittings on machine guard doors keep pneumatic drop lines visually distinct from the electrical loom. The 1/8in PT male thread suits the compact solenoid ports common on door-interlock circuits.
On a 1/8in thread, PHW steps are Dia 4, Dia 6 and Dia 8, so PHW801D is the top of this ladder: the step down is the PHW601 (Dia 6 tube), and there is no Dia 10 option on a 1/8in thread. If you need 10 or 12 mm tube on this shape, move to the PHW803 or PHW1203 with a 3/8in or 1/2in thread. Match the thread to the port itself - 1/8in PT threads arrive with sealant already applied, so do not add tape unless the port is damaged.
Choose the double universal over a plain PL male elbow when the port direction and the tube run do not share a plane: the two swivels let you thread the fitting on, then swing the tube side to its final angle without pre-bending tube or fighting the sealant seat. Tube OD must match exactly - an 8 mm chuck will not seal on 5/16in or 1/4in tube, even if it feels close.
Quick checklist
Working pressure 0-1.0 MPa (0-10 kgf/cm2), vacuum to -750 mmHg (10 Torr), proof pressure 1.5 MPa, temperature -20 to +70 C. The fitting takes Dia 8 mm soft nylon or polyurethane tube on one side and has a 1/8in PT male thread on the other, in a black body.
That combination does not exist in the AirTAC interface table. On the PHW series the 1/8in thread supports only Dia 4, 6 and 8 mm tube; 10 and 12 mm tube require the 3/8in or 1/2in thread versions. Trying to run 10 mm tube in this fitting would leave the chuck unengaged, so size the thread up instead.
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