
The AirTAC Airtac PHW F Thread Swivel Tee Fitting PHW803D 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.
PHW is AirTAC's double universal male elbow in the resin one-touch range: a male elbow that pivots at both the thread and the tube outlet, so a Dia 8mm line can be aimed at any angle off a 3/8in PT port. Push the soft nylon or polyurethane tube into the chuck until it bottoms; the stainless spring gasket and POM chuck grip it, and the release ring frees it again whenever the line needs rework.
This is the standard resin profile, not the metal BP line: 0 to 1.0 MPa working (vacuum to -750 mmHg), 1.5 MPa proof, and -20 to +70 C. The D suffix gives a black PBT body instead of grey on this series, and the brass stud arrives with sealant already applied. One detail worth knowing before you standardise on it: the PHW ladder starts at 1/8in thread, so unlike most of the range there is no M5 version of this shape.
| Model | Airtac PHW F Thread Swivel Tee Fitting PHW803D |
|---|---|
| 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. |
A Dia 8 line to a wrist-mounted gripper passes through angles that change every cycle; the two independent swivels let the fitting follow the wrist instead of fighting it.
A 3/8in PT port on a directional control valve takes the black elbow, aimed clear of adjacent solenoid coils in a crowded manifold stack.
Dia 8 clamp cylinders set at odd pitches on a welding jig get their air at whatever angle the mounting face dictates, without twisting the tubing.
On the 3/8in thread the PHW ladder runs Dia 6, 8, 10 and 12, so the steps either side of this part are PHW603 (Dia 6, a lighter line feeding small actuators) and PHW1003 (Dia 10, more bore for longer runs). Holding Dia 8 tube against a smaller port, PHW802 on 1/4in exists; for a 1/2in port use PHW804. Tube OD must match exactly - this chuck is cut for 8mm and will not seal 5/16in or 1/4in hose.
A double universal elbow earns its place where a fixed PL elbow would leave the tube kinked or side-loaded: set the thread angle first, then swing the tube head independently before pushing the tube home.
Quick checklist
It is a resin one-touch fitting: 0 to 1.0 MPa (0 to 10 kgf/cm2) working pressure, proof pressure 1.5 MPa, vacuum to -750 mmHg (10 Torr), and a working temperature of -20 to +70 C. It joins Dia 8mm soft nylon or polyurethane tube to a 3/8in PT male thread, and the stud is supplied pre-coated with sealant.
Not in this catalogue. The PHW range is documented with PT thread only; no G (BSPP) or NPT ordering code exists for it. Handling a parallel port is a machine-side decision - a sealing washer or an adapter - rather than a different AirTAC part number.
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