The AirTAC Airtac PHF Tandem Toggle Joint PHF801D 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.
The PHF801D is an AirTAC PHF universal female elbow, a swivelling elbow that joins Dia 8 mm soft nylon or polyurethane tubing to a female 1/8 in PT port. Push the tube straight into the chuck and the stainless spring gasket and NBR O-ring lock it against the aluminium-alloy guide; press the POM release ring and the tube slides straight back out, so re-routing a branch line takes seconds with no tools.
The defining feature is the universal joint: the female thread swivels relative to the elbow body, so you can clock the outlet to whatever angle the machine demands instead of fighting the tube into alignment. This is the resin and brass profile, rated 0-1.0 MPa working, 1.5 MPa proof, -750 mmHg vacuum and -20 to +70 C - do not confuse it with the 0.9 MPa / 150 C metal BP line. On this SKU the D suffix makes the whole body black, not just the release button, unlike the PC and POC connectors where only the button changes.
| Model | Airtac PHF Tandem Toggle Joint PHF801D |
|---|---|
| Type | Universal female elbow |
| Series | PHF |
| 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.
| 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. |
On a compact parallel gripper at the end of a SCARA robot arm, the 1/8 in female port often lands at an awkward angle once the wrist is assembled. The swivel lets you orient the Dia 8 tube run vertically without twisting the hose every cycle.
Retrofitting a pneumatic slide on a semi-automatic bench press: the cylinder port points sideways into the frame, and the PHF801D swivels to turn the Dia 8 line upward where the tube clip actually sits.
A jam-clearing air nozzle on a snack-food packaging conveyor needs its Dia 8 supply line re-aimed whenever the product tray changes; the universal elbow repositions without unscrewing the 1/8 in port fitting.
On the 1/8 in female thread, the PHF ladder runs Dia 4, 6 and 8 - so this Dia 8 part is the largest tube available on this thread; step the thread up to 3/8 in if you ever need Dia 10 or 12 through a PHF. Going the other way, PHF601 drops the bore to Dia 6, which lightens the fitting for tighter tube routing but halves the effective air path to a larger actuator. Tube OD must match exactly: a Dia 8 chuck will not seal on 5/16 in or 10 mm hose.
Match the female PT port to the mating male stud on your manifold, valve or cylinder - the thread arrives with sealant pre-applied, so no tape is needed at assembly. If the port faces an obstruction and you need to bend the tube path without a swivel, compare the fixed PL male elbow; if you must pass through a panel wall, a PMF bulkhead connector is the right shape instead.
Quick checklist
It is a Dia 8 mm tube by 1/8 in PT female universal elbow from AirTAC's resin and brass one-touch range. Working pressure is 0-1.0 MPa (0-10 kgf/cm2), negative pressure -750 mmHg, proof pressure 1.5 MPa, and the temperature range is -20 to +70 C. It takes soft nylon or polyurethane tube, and the D suffix denotes the black body version.
No extra sealing is required at assembly: AirTAC ships threaded PHF fittings with sealant already applied to the tapered PT thread, so it seals on the male stud as installed. (Only M5 sizes in this catalogue use a separate sealing gasket instead.) Torque figures are not published, so tighten to a firm hand-plus-wrench fit and check for leaks under low pressure first.
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