
The AirTAC Airtac PHW F Thread Swivel Tee Fitting PHW802D 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 PHW802D is an AirTAC PHW double universal male elbow: a one-touch push-in fitting with a 1/4" PT male thread at the base and two swivel joints, so the Dia 8 mm tube can enter from almost any angle while the thread stays aligned with its port. Push the tube home and the internal chuck grips it; press the release ring to free it. Unlike the single-universal PH, the double joint lets the tubing leg swing through a wider arc, which is what makes the shape useful around rotating or adjustable sub-assemblies.
This is the resin and brass one-touch profile, not the metal BP line: working pressure 0-1.0 MPa, vacuum down to -750 mmHg (10 Torr), proof pressure 1.5 MPa, and a temperature window of -20 to +70 C. The body is PBT, the D suffix makes it black rather than the standard grey, and the PT thread arrives pre-coated with sealant so it seals on the port without extra tape.
| Model | Airtac PHW F Thread Swivel Tee Fitting PHW802D |
|---|---|
| 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 six-axis pick-and-place arm, the gripper air line has to follow a joint that rotates through nearly a full turn. The PHW802D double swivel lets the Dia 8 tube enter from the angle the dress-pack dictates while the 1/4" thread lands squarely on the wrist manifold port.
Width-adjustable guides on a carton wrapper move every changeover, and hard-fixed elbows tear their tube legs when repositioned. A double universal elbow keeps the Dia 8 polyurethane line free to re-angle with the guide, threaded 1/4" into the clamp cylinder.
When a die set is rebuilt, the port orientation rarely ends up where the original drawing put it. The two swivel joints of the PHW802D absorb that mismatch, letting a Dia 8 nylon line route cleanly back to the manifold without kinking at the threaded port.
On the PHW ladder at 1/4" thread, the neighbouring tube sizes are Dia 6 (PHW602) and Dia 10 (PHW1002). Stepping down to Dia 6 suits lighter lines to small actuators and signal-air circuits; stepping up to Dia 10 gives a noticeably larger bore for short, high-consumption cylinder feeds. Note that PHW is one of the few threaded prefixes with no M5 option at all - the smallest thread available is 1/8", so M5 ports must use the PH or PHF instead. The 1/4" PHW thread accepts Dia 6, 8 or 10, and PHW802D sits in the middle of that trio.
Match the thread to the port, not to habit: 1/4" PT is the common cylinder and valve port size on mid-size machinery. The tube must be exactly Dia 8 soft nylon or polyurethane - a 5/16" (8 mm nominal is fine, but 1/4" tubing is Dia 6.35 mm equivalent territory) mismatch or an imperial-size tube will not seal in the chuck. If you only need one swivel and a fixed angle, the PH single universal elbow is the simpler part; choose PHW when the tubing route must clear an obstruction from a direction the port cannot face.
Quick checklist
It is a Dia 8 mm tube, 1/4" PT male thread double universal male elbow from AirTAC's resin one-touch range. Working pressure 0-1.0 MPa (0-10 kgf/cm2), negative pressure -750 mmHg (10 Torr), proof pressure 1.5 MPa, operating temperature -20 to +70 C. Tubing is soft nylon or polyurethane, and the D suffix gives a black body instead of grey.
PH gives you one swivel joint, so the tube enters at one adjustable angle. PHW adds a second joint, so the tubing leg can swing through a much wider arc - the right answer when the line has to reach around a guard, a rotating axis, or a port that faces the wrong way. Also note PHW is made without any M5 thread size; M5 ports need the PH or PHF series. And whatever the shape, the tube must be exactly Dia 8 - a Dia 6 fitting will not hold Dia 8 tube.
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