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AirTAC PH Series · Universal male elbow

Airtac PH-1 Hex Head Toggle Joint PH803

The AirTAC Airtac PH-1 Hex Head Toggle Joint PH803 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.

  • TypeUniversal male elbow
  • SeriesPH
  • Working pressure0 - 1.0 MPa (0 - 10 kgf/cm2)
  • Proof pressure1.5 MPa
  • Temperature-20 to +70 °C
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About the Airtac PH-1 Hex Head Toggle Joint PH803

The PH803 is an AirTAC PH series universal male elbow, a one-touch fitting that joins Dia 8 mm soft nylon or polyurethane tubing to a 3/8 in PT male thread. Unlike a fixed PL elbow, the PH has a universal joint under the head: you screw the thread into the port first, then swivel the fitting body to aim the tube outlet at any approach angle. Push the tube home and the internal chuck grips it; press the release ring and the tube frees for removal.

This part runs on the resin one-touch profile: 0 to 1.0 MPa working pressure, 1.5 MPa proof pressure, vacuum capability down to -750 mmHg, and a -20 to +70 C service range. The 3/8 in thread arrives with sealant already applied, and the construction pairs a PBT body with a brass stud and a stainless spring gasket inside the chuck.

Airtac PH-1 Hex Head Toggle Joint PH803 Technical Specifications

ModelAirtac PH-1 Hex Head Toggle Joint PH803
TypeUniversal male elbow
SeriesPH
ConnectionPush-in one-touch
Working pressure0 - 1.0 MPa (0 - 10 kgf/cm2)
Negative pressure-750 mmHg (10 Torr)
Proof pressure1.5 MPa
Temperature-20 to +70 °C
Applicable tubingSoft nylon or polyurethane tube
Thread standardPT (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.

Model Code: Airtac PH-1 Hex Head Toggle Joint PH803

PHUniversal male elbow.
4 / 6 / 8 / 10 / 12Tube outside diameter in mm (3.2 mm exists on the mini series).
M5 / 01 / 02 / 03 / 04Thread: M5x0.8, 1/8", 1/4", 3/8", 1/2" (M3 on the mini series).
DBlack. Blank = grey.

Fitting & Sealing Notes

  • check Cut the tube square and clean before pushing it home, or the seal will leak.
  • check Push until it stops, then pull back to check the chuck has gripped.
  • check To release, press the collet ring fully in and pull the tube out.
  • check Threaded parts arrive with sealant on the thread; M5 sizes use a sealing gasket.
  • check Match the tube OD exactly - a 6 mm fitting will not hold 1/4" tube.

Where the Airtac PH-1 Hex Head Toggle Joint PH803 Is Used

settings_input_component

Manifold block branch drops

A 3/8 in manifold port feeding a Dia 8 mm drop to a slide cylinder: the PH803 threads in solid, then swivels so the tube leaves at the exact angle the cable trunking allows.

build

Packaging machine rotary table

Under a rotating indexing table, the port often ends up pointing sideways once the thread is torqued home. The universal head lets the Dia 8 tube route vertically into the slip ring area without adding a second union.

factory

Press-shop clamp circuits

On a pneumatic swing clamp fed from a 3/8 in header, the PH803 gives a gripped Dia 8 line that survives -750 mmHg vacuum on the return stroke and releases cleanly for clamp changes.

Is the Airtac PH-1 Hex Head Toggle Joint PH803 the Right Part?

On the 3/8 in thread ladder the PH series offers PH603 (Dia 6), PH803 (Dia 8), PH1003 (Dia 10) and PH1203 (Dia 12). Stepping down to 6 mm suits short drops and compact actuators, where flow simply falls with the bore; stepping up to 10 mm pays off on longer tube runs and higher-demand cylinders. The 3/8 PT thread is aimed at larger ports - cylinder heads, manifold blocks and valve outlets where a 1/4 in stud would throttle the circuit.

Tube size must match exactly in both directions: the Dia 8 chuck will not seal on 3/8 in (9.5 mm) imperial tubing, and it is not the right part for a 1/4 in port. If you need to pass the thread through a panel wall instead of angle into a port, the PMF bulkhead connector is the shape to look at.

Quick checklist

  • ✓ Tube outside diameter matches exactly
  • ✓ Thread size and standard match the port
  • ✓ Working pressure within 0 - 1.0 MPa (0 - 10 kgf/cm2)
  • ✓ Temperature within -20 to +70 °C
Ask an Engineer

Airtac PH-1 Hex Head Toggle Joint PH803 FAQ

It is a Dia 8 mm one-touch universal male elbow with a 3/8 in PT male thread. Working pressure is 0 to 1.0 MPa (0 to 10 kgf/cm2), proof pressure is 1.5 MPa, it tolerates vacuum to -750 mmHg (10 Torr), and the service temperature range is -20 to +70 C. The body is PBT with a brass stud, and the thread ships with sealant pre-applied.

The thread and the fitting body move independently. You install and seal the 3/8 PT thread first, then rotate the head to point the Dia 8 tube wherever the routing needs - any angle, not just 90 degrees. That removes the extra straight fitting a fixed elbow often forces you to add, and the connection still releases instantly via the one-touch ring if the tube ever needs replacing.

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