
The AirTAC Airtac PHW F Thread Swivel Tee Fitting PHW1003D-S 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 PHW1003D-S is an AirTAC PHW double universal male elbow - a threaded one-touch fitting whose male stud and tube socket are joined by two articulated joints, so the tube outlet can be angled in two planes instead of one fixed bend. This variant takes Dia 10 mm soft nylon or polyurethane tube into a 3/8in PT male thread, and the D suffix gives it a black body rather than the standard grey. Push the tube home and the internal chuck grips it; press the release ring and it frees again.
This belongs to AirTAC's resin one-touch 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 -S suffix adds a SUS304 stainless male stud for corrosion-prone environments, while the body and chuck remain PBT and POM respectively - the ratings, dimensions and tube thread ladders are identical to the standard PHW1003D. The 3/8in thread ships with sealant already applied.
| Model | Airtac PHW F Thread Swivel Tee Fitting PHW1003D-S |
|---|---|
| Type | Double universal male elbow |
| Series | PHW |
| Connection | Push-in one-touch |
| Body material | Stainless steel 304 (-S variant) |
| 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. Stainless (-S): SUS304 in place of brass - a solid SUS304 body on the PC and POC straight connectors, and a PBT body with a SUS304 stud on the elbow, tee and branch shapes. Working pressure, proof pressure and temperature are unchanged from the standard version. 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. |
| -S | Stainless-steel body. |
On a pick-and-place robot arm, the air line to the gripper changes angle with every axis move. The PHW double joint lets the Dia 10 feed swing in two planes off one fixed 3/8in manifold port without kinking the tube.
Around electroplating or rinsing tanks, acidic vapour corrodes plain brass studs quickly. The SUS304 stud on this elbow resists that attack where the line leaves the 3/8in port, while the PBT body keeps cost down.
Cartoning and wrapping machines often need air dropped diagonally across the frame to reach a rotary actuator or glue head. A Dia 10 PHW at the base of the drop gives two swivel points to route around guards that a straight elbow cannot clear.
On the PHW ladder at 3/8in PT you can step down to Dia 8 for lighter lines feeding valves or small actuators, or up to Dia 12 when the run carries higher demand to a large cylinder - the double universal joint geometry stays the same, only the bore and grip change. On the thread side, 1/4in PT supports Dia 6 to Dia 10 and 1/2in PT supports Dia 8 to Dia 12, so Dia 10 is one of the sizes that crosses over if you later change the port. Match the port first, then the tube.
Tube OD must match exactly: this socket grips Dia 10 mm only and will not seal or hold 3/8in (9.5 mm) tube despite them looking close. Choose PHW over a plain PL elbow when the line must arrive at an angle that no fixed 90 degree bend can give you - the second swivel is what separates this prefix from every single-elbow in the range.
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. It joins Dia 10 mm soft nylon or polyurethane tube to a 3/8in PT male thread. The male stud is SUS304 stainless steel; the body stays PBT with POM chuck and release parts, an aluminium-alloy guide, stainless spring gasket and NBR O-ring. These figures are identical to the standard grey PHW1003D.
No. On the PHW family, -S upgrades the male stud to SUS304 stainless; the body remains PBT and the release button and chuck remain POM, exactly as on the grey version. Pressure, vacuum and temperature ratings are unchanged - AirTAC does not re-rate stainless variants. The benefit is corrosion resistance at the threaded interface in humid or chemically loaded air, not a change in strength or dimensions, which match the standard part.
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