Airtac PHF Tandem Toggle Joint PHF603-S
SUS304 stainless variant (-S)The AirTAC Airtac PHF Tandem Toggle Joint PHF603-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.
- TypeUniversal female elbow
- SeriesPHF
- Working pressure0 - 1.0 MPa (0 - 10 kgf/cm2)
- Proof pressure1.5 MPa
- Temperature-20 to +70 °C
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac PHF Tandem Toggle Joint PHF603-S
The PHF603-S is an AirTAC PHF universal female elbow, a one-touch fitting that joins Dia 6 mm soft nylon or polyurethane tubing to a 3/8in PT female thread. You push the tube straight into the chuck until it bottoms out; the stainless spring gasket and chuck grip it against pressure and vacuum, and pressing the POM release ring lets it slide back out for rework. Because the elbow is universal, you can thread the 3/8in female port onto the mating male PT nipple first and then rotate the body to point the tube exit exactly where the run needs to go.
This is the -S stainless variant, and the scope of that upgrade is specific: on the PHF elbow family the body stays glass-reinforced PBT while the threaded stud is SUS304, so the corrosion-critical metal interface at the port is stainless without changing the shape or dimensions. Ratings are the standard resin profile, not the metal BP line: 0-1.0 MPa working, 1.5 MPa proof, -750 mmHg vacuum and -20 to +70 C. Internally the POM button and chuck, aluminium-alloy guide and NBR O-ring carry over unchanged from the grey standard part.
Airtac PHF Tandem Toggle Joint PHF603-S Technical Specifications
| Model | Airtac PHF Tandem Toggle Joint PHF603-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.
Model Code: Airtac PHF Tandem Toggle Joint PHF603-S
| 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. |
Fitting & Sealing Notes
- check Cut the tube square and clean before pushing it home, or the seal will leak.
- check Push until it stops, then pull back to check the chuck has gripped.
- check To release, press the collet ring fully in and pull the tube out.
- check Threaded parts arrive with sealant on the thread; M5 sizes use a sealing gasket.
- check Match the tube OD exactly - a 6 mm fitting will not hold 1/4" tube.
Where the Airtac PHF Tandem Toggle Joint PHF603-S Is Used
Plating line rinse station
On an electroplating rinse tank, thread the 3/8in female port onto a stainless manifold nipple and run Dia 6 polyurethane down to a rinse nozzle; the SUS304 stud stands up to splash-zone mist where a plain brass stud would tarnish.
Food-plant washdown frame
On a packaging machine frame hosed down each shift, the universal elbow lets the Dia 6 tube exit point away from the wash jet after the fitting is torqued onto the valve port, keeping the drop loop out of the spray path.
Control-panel valve manifold
Inside a machine control cabinet, screw the 3/8in female elbow onto the outlet of a solenoid valve manifold and swing the body so Dia 6 tubing runs flat along the din rail instead of fouling adjacent valve coils.
Is the Airtac PHF Tandem Toggle Joint PHF603-S the Right Part?
At Dia 6 on the 3/8in thread you are at the bottom of this ladder: the PHF range on 3/8in starts at Dia 6, so there is no Dia 4 elbow on this thread. Stepping up gives you PHF803-S on Dia 8, which doubles the flow path area through the bore and suits longer or higher-consumption drops. If your port is 1/4in instead of 3/8in, PHF602-S carries the same Dia 6 tube; if you are considering 1/2in, note it requires Dia 8 tube or larger, so Dia 6 tops out at 3/8in on this prefix. Down at Dia 4 the only option is PHF401-S on a 1/8in thread.
Tube OD must match the chuck exactly - this fitting holds Dia 6 only and will not seal on 1/4in (6.35 mm) imperial tube. Pick a PHF over a fixed PL elbow when the tube direction has to be set after installation, for example threading into a manifold port whose orientation you cannot control.
Quick checklist
- ✓ Tube outside diameter matches exactly
- ✓ Thread size and standard match the port
- ✓ Working pressure within 0 - 1.0 MPa (0 - 10 kgf/cm2)
- ✓ Temperature within -20 to +70 °C
Airtac PHF Tandem Toggle Joint PHF603-S FAQ
Working pressure 0-1.0 MPa (0-10 kgf/cm2), proof pressure 1.5 MPa, vacuum capability down to -750 mmHg (10 Torr), and a service temperature of -20 to +70 C. The tube side accepts Dia 6 mm soft nylon or polyurethane; the thread side is a 3/8in PT female port. These figures are identical to the standard PHF603 - the -S changes the stud material to SUS304, not the ratings.
No, and it is worth knowing before you specify it. On the PHF elbow family the -S option makes the threaded stud SUS304 while the elbow body remains PBT, matching the standard part dimension for dimension. If your application needs a solid stainless body in a straight connector, the PC and POC series offer that; elbow families upgrade the metal thread interface only. AirTAC publishes no surface finish, passivation or certification data for the -S line.
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