
The AirTAC Airtac PHW F Thread Swivel Tee Fitting PHW801 is a genuine double 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 PHW801 is AirTAC's double universal male elbow in the resin one-touch range. It screws a 1/8" PT male thread into the port, then feeds a single Dia 8 mm tube. Where a plain PH elbow has one pivoting joint, the PHW carries two articulation points in line, so the body can bend in two planes at once and the tube always leaves square to its run.
Both ends are one-touch: push the tube fully home and the stainless spring gasket and chuck grip it; press the release ring and it frees again. This is the resin/brass profile, not the metal BPC line - working pressure 0-1.0 MPa, proof pressure 1.5 MPa, vacuum to -750 mmHg, temperature -20 to +70 C. The body is PBT on a brass stud, with a POM release button, aluminium-alloy guide and NBR seal. The 1/8" thread arrives with sealant already applied. Note that the PHW prefix has no M5 option at all; 1/8" is its smallest thread.
| Model | Airtac PHW F Thread Swivel Tee Fitting PHW801 |
|---|---|
| Type | Double universal male elbow |
| Series | PHW |
| 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.
| PHW | Double 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. |
On a rotary indexing table the air port swings through each cycle. The double universal joint lets the tube stay on its fixed routing while the fitting absorbs the rotation and angle change at the port.
On a packaging machine where the cylinder port faces a guard wall, one PHW801 bends twice to bring the 8mm line out parallel to the frame - instead of stacking a straight connector plus two elbows in the gap.
Gripper assemblies on pick-and-place robots re-orient constantly. Fitting the PHW801 at the wrist port keeps the 8mm supply line free to flex on its own routing rather than being twisted with the tool.
On the 1/8" thread, the PHW ladder runs Dia 4, 6 and 8 - so this Dia 8 version is the largest tube the 1/8" thread takes. Stepping down to PHW601 drops the bore to Dia 6 and reduces flow capacity; there is no Dia 10 or 12 on 1/8". To stay at Dia 8 with more thread, move up to PHW802 (1/4"), where the ladder extends to Dia 10 as well.
Pick the double universal shape when a single swivel cannot get the tube exit angle right - two bends in one fitting replace two elbows and a straight, saving a joint and two potential leak points. Match the thread to the port you actually have; an adapter stack under an elbow is a common leak source. And fit Dia 8 tube only: a Dia 6 fitting will not seal 1/4" tube, and this one will not seal anything but genuine 8 mm OD soft nylon or polyurethane.
Quick checklist
Working pressure 0-1.0 MPa (0-10 kgf/cm2), proof pressure 1.5 MPa, negative pressure to -750 mmHg, operating temperature -20 to +70 C. It connects Dia 8 mm tubing to a 1/8" PT male thread. It is the resin one-touch profile: PBT body on a brass stud, POM release button and chuck, aluminium-alloy guide, stainless spring gasket and NBR O-ring.
No. The 1/8" thread on the PHW range supports Dia 4, 6 and 8 only, so Dia 8 is the maximum here. If the line carries Dia 10, move to a PHW on the 3/8" or 1/2" thread, where the ladder extends to Dia 12. In all cases the tube OD must match the fitting size exactly - one-touch chucks hold only the size they are made for.
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