
The AirTAC Airtac PH-1 Hex Head Toggle Joint PH1203D-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.
The PH1203D-S is an AirTAC PH universal male elbow, the swivelling one-touch fitting for the largest tubing in this range. It joins 12 mm soft nylon or polyurethane tube to a 3/8in male PT thread. Push the tube home and the internal chuck grips it; press the release ring and it frees again. Because the elbow is universal, the threaded stud and the tube outlet can be rotated relative to each other, so the fitting lines up with the port angle instead of forcing the tube into a bend.
This is the -S variant. On the PH family, stainless does not mean a solid stainless body: the body stays PBT (black here, since the D suffix calls for the black body) and the male stud is SUS304, which is where the corrosion resistance counts, on the wet threaded joint. The ratings are exactly those of the standard resin line: 0 to 1.0 MPa working pressure, -750 mmHg vacuum, 1.5 MPa proof pressure and -20 to +70 C. No figures change because of the stainless stud.
| Model | Airtac PH-1 Hex Head Toggle Joint PH1203D-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.
| 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. |
A wash-down rinser on a bottling conveyor runs a 12 mm supply line. The SUS304 stud holds up on the threaded joint where splashing is constant, and the swivel lets the fitter square the elbow to the spray-valve port without twisting the tube.
On a six-axis handling cell, the gripper cylinder port points at an awkward angle inside the wrist. A universal male elbow takes the 12 mm actuator feed and rotates to meet the port, avoiding a side load on the tube at the cuff.
A hydraulic press control cabinet exits a 3/8in PT take-off for a pneumatic counterbalance cylinder. The PH1203D-S screws in, swivels to face downward, and takes the 12 mm drop line cleanly away from the wiring duct.
Dia 12 is the top of the PH ladder on a 3/8in thread, so there is no larger tube option on this thread. The step down is Dia 10 (PH1003D-S), which buys a slimmer tube run at the cost of bore, so expect a qualitative drop in flow on long lines. If your port is 1/2in, the PH ladder supports Dia 12 there too (PH1204D-S), so you can keep the big tube and change the thread instead. Tube OD must match exactly: a 12 mm fitting will not seal on 1/4in or 13 mm tube.
Choose the PH shape over a fixed PL elbow when the port orientation is awkward or unknown until installation, since the swivel absorbs the misalignment. Choose a PED or PEB tee instead if you need to branch a second 12 mm line off the same port.
Quick checklist
It is an AirTAC PH universal male elbow for 12 mm tube with a 3/8in male PT thread, SUS304 stud and black PBT body. Working pressure 0 to 1.0 MPa, negative pressure -750 mmHg, proof pressure 1.5 MPa, operating temperature -20 to +70 C. Applicable tubing is soft nylon or polyurethane, and the connection is push-in one-touch with a release ring.
No. On the PH family the -S suffix makes the male stud SUS304; the elbow body remains PBT, in black on this D-suffixed part, with POM internals, an aluminium-alloy guide, a stainless spring gasket and an NBR O-ring. The ratings are identical to the standard version, so you are buying corrosion resistance at the threaded joint, not a re-rated fitting.
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