The AirTAC Airtac PHF Tandem Toggle Joint PHF803D 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 PHF803D is an AirTAC PHF universal female elbow: a swivelling, threaded one-touch fitting that connects Dia 8 mm soft nylon or polyurethane tube to a 3/8in PT female port. The female thread can rotate on the elbow body before it is tightened, so the tube can leave the fitting at any angle without you having to fight the port orientation. Push the tube in and the stainless spring gasket and chuck clamp it against the seal; press the POM release ring to let it go.
This is the resin and brass one-touch profile, not the metal line: working pressure 0-1.0 MPa, vacuum to -750 mmHg, proof pressure 1.5 MPa, temperature -20 to +70 C. Because this is a non-PC prefix, the trailing D changes the whole body to black, not just the button - useful where the fitting sits inside a dark cabinet and you want it visually quiet. Note that the sealant AirTAC applies at the factory is on male threads; this female PT port seals against the mating male thread, so confirm the male side carries sealant or tape.
| Model | Airtac PHF Tandem Toggle Joint PHF803D |
|---|---|
| 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. |
Multi-station wrapping and filling machines often put a 3/8in female port on the manifold facing the wrong way for the tube route. The PHF803D swivels so an 8 mm drop line to the sealing jaw cylinder can leave straight down regardless of port clocking.
On a pick-and-place arm, the tool changer presents a female port whose orientation changes with the wrist. A black PHF803D keeps the 8 mm line to the gripper tidy and concealed against dark tooling plates.
Bottle-guide width adjusters are fed from 3/8in ports along the conveyor frame. The universal elbow lets the 8 mm tube turn out of the frame at the angle the guard clearance dictates, without kinking the run.
On the same 3/8in thread, the PHF ladder runs Dia 6, 8, 10 and 12. Step down to PHF603 when the branch feeds smaller actuators and you want a lighter, cheaper tube run; step up to PHF1003 when this port is feeding a main drop rather than a branch, because the 10 mm bore keeps velocity down on longer lines. At Dia 8, the neighbouring threads are 1/4in (PHF802) and 1/2in (PHF804), so match the thread to the port first, then pick the bore. Unlike a fixed PL male elbow, the PHF swivels after assembly - the right answer when the port angle and the tube direction will not line up. The tube OD must match exactly: this Dia 8 socket will not grip 5/16in or 10 mm tube.
Quick checklist
Working pressure 0-1.0 MPa (0-10 kgf/cm2), vacuum to -750 mmHg, proof pressure 1.5 MPa, operating temperature -20 to +70 C. It accepts Dia 8 mm soft nylon or polyurethane tube on a 3/8in PT female thread, with the resin-brass one-touch construction and a black body from the D suffix.
The 3/8in PT female port has no factory-applied sealant, because sealing happens against the male thread you screw into it. Fit the mating male plug or stud with PTFE tape or sealant, hand-tighten, then turn the whole elbow so the swivel seat aligns the tube exit before final nipping - that is the point of the universal design.
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