
The AirTAC Airtac PH-1 Hex Head Toggle Joint PH601D 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 PH601D is an AirTAC PH universal male elbow, a one-touch fitting that joins Dia 6 mm soft nylon or polyurethane tube to a 1/8 in PT male thread on a ball-jointed stem. Because the thread sits on a universal joint, you can tighten the 1/8 in thread into the port first and then swing the tube head to whatever angle the tubing run needs - the seal is made on the thread, not on the tube direction. Push the 6 mm tube straight in and the stainless spring gasket and chuck grip it; press the POM release ring to free it.
This is the resin/brass one-touch profile, not the metal BP line: working pressure 0-1.0 MPa (0-10 kgf/cm2), proof pressure 1.5 MPa, vacuum to -750 mmHg, and a temperature window of -20 to +70 C. The D suffix on a PH fitting changes the body colour to black - unlike PC and POC, where D only affects the release button. The body here is PBT over a brass stud, the thread arrives with sealant applied, and the chuck is POM with an NBR O-ring doing the sealing on the tube.
| Model | Airtac PH-1 Hex Head Toggle Joint PH601D |
|---|---|
| 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. |
The universal joint lets the technician square up the vacuum ejector line after the 1/8 in thread is already locked into the manifold, so the 6 mm tube can exit straight along the gantry rail instead of fighting a fixed 90-degree casting.
Washdown-friendly rerouting: the black PBT body sits at any angle the guard bracket demands, and the one-touch release lets maintenance pull the 6 mm polyurethane drop without opening the pneumatic circuit.
Sampling lines rarely enter the enclosure from a convenient direction. The PH601D swings the 6 mm soft nylon sample tube to a natural bend radius at the analyser's 1/8 in PT port, protecting the tube from kink-induced restriction.
On the PH ladder, 1/8 in thread runs Dia 4, 6 and 8 only. Step down to PH401 when you are feeding a small pilot or signal line and want a slimmer stem; step up to PH801 when the actuator port can breathe through a larger bore and flow resistance matters more than bend radius. Both neighbours share the same 1/8 in thread, so the change is purely tube capacity. A useful quirk of the PH row: the 1/4 in thread column starts at Dia 6, so if your port is 1/4 in but your tube is 6 mm, PH602 exists and you do not have to resize the tubing.
Tube OD must match exactly - a Dia 6 chuck will not seal on 1/4 in or 5/16 in tubing, and there is no adapter inside the fitting to make it do so. If you need the swivel at the tube end instead of the thread end, PHW (double universal) or a plain PL fixed elbow is the different shape to compare before ordering.
Quick checklist
Working pressure 0-1.0 MPa (0-10 kgf/cm2), proof pressure 1.5 MPa, vacuum capability -750 mmHg (10 Torr), operating temperature -20 to +70 C. The fitting takes Dia 6 mm soft nylon or polyurethane tube and has a 1/8 in PT male thread. The D suffix makes the PBT body black; the internal chuck is POM, the guide is aluminium alloy, the spring gasket is stainless and the O-ring is NBR. Thread sealant is pre-applied.
On PH fittings the D changes the body to black as well as the trim, whereas on the PC and POC straight connectors it only changes the release button. Functionally and dimensionally the grey and black PH601D are identical: same 6 mm chuck, same 1/8 in PT stud, same 0-1.0 MPa rating. Buyers pick D mainly for visibility against dark machine frames or for colour-coding a circuit.
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