The AirTAC Airtac PHF Tandem Toggle Joint PHF602-S 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 PHF602-S is AirTAC's universal female elbow from the one-touch range, joining Dia 6 mm soft nylon or polyurethane tube to a 1/4in PT internal thread. The swivel-style elbow turns the tube run through 90 degrees, and the female thread drops straight onto an existing male stud, so you can orient the body before snugging it home. It is a push-in joint: seat the tube fully, the stainless spring gasket and chuck lock it against both pressure and vacuum, and the release ring frees it again.
The -S suffix here is specific to this family: the threaded STUD is SUS304 stainless, while the elbow body itself remains PBT. It carries the standard resin-line ratings unchanged - 0 to 1.0 MPa working pressure, 1.5 MPa proof, -750 mmHg vacuum and -20 to +70 C. The dimension tables are identical to the plain PHF602, so it replaces the brass-stud version without any layout change.
| Model | Airtac PHF Tandem Toggle Joint PHF602-S |
|---|---|
| Type | Universal female elbow |
| Series | PHF |
| 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.
| 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. |
| -S | Stainless-steel body. |
On a cartoning machine where the cylinder port faces a guarding wall, the 90-degree female elbow points the Dia 6 tube cleanly along the frame, and the 1/4in internal thread lands on the standard port stud.
In a dairy or bakery line sprayed down each shift, the exposed metal at the joint is the SUS304 stud rather than bare brass, so the threaded connection resists the wet, caustic environment at the port.
For a fish-processing plant or dockside compressor skid where salt-laden air attacks brass fittings, the stainless-stud elbow at each 1/4in take-off point keeps the threaded joints from weeping corrosion into the enclosure.
Sizing both ways on the PHF ladder: step down to the PHF601-S (Dia 6 x 1/8in) for a smaller port, or up to the PHF802-S (Dia 8 x 1/4in) if the actuator line is fatter. One non-obvious limit worth knowing: the 1/4in thread on PHF is catalogued only in Dia 6, 8 and 10 mm tube - there is no Dia 4 or Dia 12 version, so a 4 mm line must use the 1/8in thread instead.
Match the internal thread to the port it lands on: a 1/4in male stud on the cylinder, valve or manifold. If the route needs to pass through a panel, a bulkhead pattern such as PMF or PLM is the better answer; this elbow is for a surface-mounted 90-degree turn at the point of use. And remember the tube OD must match exactly - a Dia 6 chuck will not reliably grip 1/4in tube even though the two look close.
Quick checklist
Working pressure 0 to 1.0 MPa (0 to 10 kgf/cm2); proof pressure 1.5 MPa; vacuum to -750 mmHg (10 Torr); temperature -20 to +70 C. It takes Dia 6 mm soft nylon or polyurethane tube and has a 1/4in PT female thread. The stud is SUS304; the elbow body stays PBT, and the -S variant does not change any pressure or temperature rating.
The thread fits, but the tube does not. This SKU is the Dia 6 member; the 1/4in PHF is made only in Dia 6, 8 and 10 mm, so 8 mm tube needs the PHF802-S instead. Also note the release-chuck seal is sized to one tube OD exactly - there is no tolerance for off-size or non-metric tube.
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