
The AirTAC Airtac PHW F Thread Swivel Tee Fitting PHW602D-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 PHW602D-S is an AirTAC double universal male elbow in the resin one-touch range: it pushes onto Dia 6 mm soft nylon or polyurethane tube and screws into a 1/4 in PT male port. Unlike a fixed PL elbow, both joints swivel, so the tube can leave at any angle in two planes instead of one locked 90 degree turn. Push the tube home and the stainless spring gasket and chuck grip it; press the POM release ring and it frees again.
This -S variant keeps the PBT elbow body but replaces the brass male stud with SUS304, which matters where the threaded interface sits in washdown spray or a corrosive atmosphere and the copper-bearing stud would be the weak point. Ratings are unchanged from the standard resin line: 0 to 1.0 MPa working, 1.5 MPa proof, -750 mmHg vacuum, -20 to +70 C. The D suffix gives the black body. Note that the PHW ladder starts at 1/8 in thread; there is no M5 option anywhere in this series.
| Model | Airtac PHW F Thread Swivel Tee Fitting PHW602D-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. |
A rotary cylinder spins through an arc, so a fixed elbow would twist its tube off the port within a few cycles. The double swivel of the PHW602D-S lets the Dia 6 feed line stay static while the actuator turns.
Guide-rail clamping cylinders on food and beverage lines get hosed down daily. The SUS304 stud resists corrosion at the port seal where a brass stud would pit, while the PBT body sits clear of the spray path.
Wrist rotation and tool changing mean the air path into a gripper never approaches from the same angle twice. Two swivelling joints align the Dia 6 tube to the gripper port without kinking or preloading the fitting.
On the 1/4 in thread rung of the PHW ladder you can step down to PHW601, which keeps the Dia 6 tube but drops to a 1/8 in port for smaller manifold taps, or step up to PHW802 for Dia 8 tube when the actuator feeds more volume. Going up in tube bore is what changes air capacity here, since flow is set by the bore, not the fitting body. PHW never comes in M5, so if your port is an M5 tap you need a different prefix entirely.
Match the stud to the port thread before anything else: a 1/4 in PT stud will not seal properly in an NPT or G port. And remember one-touch tube sizing is exact - a Dia 6 chuck will not hold 1/4 in (6.35 mm) imperial tube, even though the numbers look close.
Quick checklist
It is a double universal male elbow joining Dia 6 mm tube to a 1/4 in PT male thread. Working pressure 0 to 1.0 MPa (0 to 10 kgf/cm2), negative pressure down to -750 mmHg (10 Torr), proof pressure 1.5 MPa, operating temperature -20 to +70 C. It takes soft nylon or polyurethane tube only, in grey-black body finish. These resin-line figures are identical to the non-stainless PHW602; the -S changes the stud material, not the ratings.
No. On the PHW family the elbow body stays PBT with a POM release ring and aluminium guide; the SUS304 part is the male stud that threads into your port. AirTAC chose that split deliberately for this shape, putting the corrosion-resistant grade where the fitting meets the machine thread. Do not buy this code expecting a solid stainless body - that is the PC/POC straight-connector family, where -S does make the body itself stainless 304.
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