
The AirTAC Airtac PH-1 Hex Head Toggle Joint PH6M5D 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 PH6M5D is an AirTAC PH universal male elbow, a one-touch fitting that joins Dia 6 mm soft nylon or polyurethane tube to an M5x0.8 male thread. Push the tube into the chuck until it seats and the stainless spring gasket grips it; press the POM release ring and the tube slides straight back out. The black D suffix on the PH series colours the body as well as the button, so the whole elbow reads as black on the machine.
This is the resin and brass profile, not the metal BP line: working pressure 0-1.0 MPa, vacuum to -750 mmHg, proof pressure 1.5 MPa, temperature -20 to +70 C. One detail worth knowing on an M5 part: instead of pre-applied thread sealant, the M5 stud relies on a sealing gasket, so it suits the small instrument ports typical of that thread without sealant particles entering the circuit.
| Model | Airtac PH-1 Hex Head Toggle Joint PH6M5D |
|---|---|
| Type | Universal male elbow |
| Series | PH |
| Connection | Push-in one-touch |
| 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. 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. |
M5 instrument ports on gas analysers and sample-handling blocks are too small for tapered sealant threads. The gasket-sealed M5 stud plus swivel elbow lets 6 mm sample lines exit at the angle the panel layout demands.
On small pneumatic valve islands and SMC-style manifold blocks, adjacent ports crowd each other. The PH6M5D installs on the M5 port and then swivels so two neighbouring 6 mm drop lines never clash.
Compact EOAT clusters on robot arms use M5 ports in tight corners. The black body disappears against dark aluminium tooling, and the universal elbow turns the 6 mm supply line clear of vacuum tubing and sensor leads.
On the PH ladder, M5 is offered in Dia 4 and Dia 6 only - the PH6M5D is the largest tube M5 supports. The step down is PH4M5, which suits 4 mm signal lines; going beyond Dia 6 on a PH elbow means moving to the 1/8" thread at PH6-01. If the port itself is 1/8" and the tube is 6 mm, that is the natural upgrade. And whatever you pick, the tube OD must match exactly: a Dia 6 chuck will not seal on 1/4" (6.35 mm) tube.
Choose PH over the fixed PL male elbow when the elbow has to arrive aimed. The universal joint swivels at the thread, so you can install it torqued down and then rotate the tube outlet to clear a nearby sensor cable or guard panel before pushing the tube home.
Quick checklist
It is a Dia 6 mm to M5x0.8 universal male elbow in black. Working pressure 0-1.0 MPa (0-10 kgf/cm2), negative pressure to -750 mmHg (10 Torr), proof pressure 1.5 MPa, operating temperature -20 to +70 C. It accepts soft nylon or polyurethane tube with a 6 mm OD and seals its M5 stud with a gasket rather than thread sealant. Materials include a POM release button and chuck, aluminium-alloy guide, stainless spring gasket and NBR O-ring.
A fixed elbow locks the tube outlet at one angle, which is a problem when two ports sit close together. The PH swivels at the thread: you can fit the fitting and then rotate the outlet until the 6 mm tube points where the layout needs it. Note that on the M5 thread the PH ladder only goes to Dia 6, so for larger tube you would step to a 1/8" thread variant.
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