Airtac PH-1 Hex Head Toggle Joint PH1204-S
SUS304 stainless variant (-S)The AirTAC Airtac PH-1 Hex Head Toggle Joint PH1204-S is a genuine universal male elbow for push-in tube connection, rated 0 - 1.0 MPa (0 - 10 kgf/cm2) with a 1.5 MPa proof pressure.
- TypeUniversal male elbow
- SeriesPH
- 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 PH-1 Hex Head Toggle Joint PH1204-S
The PH1204-S is the stainless-stud version of AirTAC's PH universal male elbow, a one-touch fitting that joins Dia 12 mm soft nylon or polyurethane tubing to a 1/2" PT male port. The universal joint means the elbow body swivels independently of the thread, so after you screw it in you can still swing the tube run to the exact angle the machine needs - no pipe wrenching, no re-taping.
The connection is classic one-touch: push the Dia 12 tube square into the chuck and the stainless spring gasket and NBR O-ring seal it instantly; press the release ring to free it. This is the resin/brass spec line, not the metal BP family: 0-1.0 MPa working pressure, proof pressure 1.5 MPa, -20 to +70 C, and those figures are identical on the -S variant. What -S buys you here is a SUS304 stud with its corrosion resistance on the threaded surface, in a food washdown or humid bay where a plain brass stud weeps rust staining. The elbow body itself stays PBT, matching the standard part's dimensions exactly.
Airtac PH-1 Hex Head Toggle Joint PH1204-S Technical Specifications
| Model | Airtac PH-1 Hex Head Toggle Joint PH1204-S |
|---|---|
| Type | Universal male elbow |
| Series | PH |
| 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 PH-1 Hex Head Toggle Joint PH1204-S
| PH | 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. |
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 PH-1 Hex Head Toggle Joint PH1204-S Is Used
Bottling line rinse-jet header
Washdown food plants humidify everything metallic. The SUS304 stud on PH1204-S resists stain and pitting at the 1/2in port of a rinse-water actuator manifold, while the swivel lets fitters route Dia 12 tube around the spray shroud.
Large pneumatic press cylinder feed
A 1/2in PT cylinder port on a 200mm-bore press wants the biggest tube the PH series allows. Dia 12 tubing on this elbow keeps air velocity low on the final drop, and the universal joint squares up to the cylinder axis without stressing the seal.
Municipal water-treatment valve actuation
Outdoor gate-valve actuators live with condensation and splash. A swivelling 1/2in elbow with a stainless stud seats on the actuator port, takes Dia 12 line tube from the solenoid bank, and shrugs off the damp that corrodes bare brass.
Is the Airtac PH-1 Hex Head Toggle Joint PH1204-S the Right Part?
This is the top of the 1/2" ladder on the PH series. Stepping down the thread gives the PH1203, the same Dia 12 tube on a 3/8" port - the only other thread that takes Dia 12 tubing on this prefix, since the 1/4" PH tops out at Dia 10. If your tube is Dia 10 rather than Dia 12, that is the PH1104; you lose roughly a third of the bore area, which matters on long runs feeding a large-bore cylinder.
Choose PH over a plain PL male elbow when the port orientation after installation is unpredictable - the swivel absorbs the alignment so the tube exits clean without side-loading the seal. Remember the fit is exact: a Dia 12 chuck will not grip 1/2" (12.7 mm) tube, and no imperial tubing appears in this catalogue.
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 PH-1 Hex Head Toggle Joint PH1204-S FAQ
Working pressure 0-1.0 MPa (0-10 kgf/cm2), vacuum to -750 mmHg (10 Torr), proof pressure 1.5 MPa, operating temperature -20 to +70 C. It connects Dia 12 mm soft nylon or polyurethane tube to a 1/2in PT male thread. These are the standard resin-line ratings; the -S stainless-stud construction does not re-rate them, and the SUS304 stud sits under a PBT elbow body identical in size to the standard PH1204.
On a 1/2in PT port the installed thread angle is whatever the casting gives you. A fixed elbow locks that angle in, and forcing the tube to meet it bends the seal seat. The PH body swivels on the thread after installation, so you torque the stud home first and then swing the tube run into line - worth having at Dia 12, where tube stiffness makes misalignment obvious as a permanent side load on the chuck.
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