
The AirTAC Airtac PGJ Plug Pin Reducing Straight Connector PGJ10-6D is a genuine plug-in reducer for push-in tube connection, rated 0 - 1.0 MPa (0 - 10 kgf/cm2) with a 1.5 MPa proof pressure.
The PGJ10-6D is an AirTAC one-touch plug-in reducer, a tube-to-tube union that joins a Dia 10 mm line directly to a Dia 6 mm line in a single body with no threaded port and no separate reducing insert. Both ends are fully independent one-touch connections: push the tube home and the internal chuck grips the OD, and pressing the release ring frees it again. The D suffix gives this reducer a black body - on PC and POC fittings the D only changes the release button, but on the PGJ family it changes the body itself, so a mixed panel of grey and black fittings will visibly differ.
This is the resin one-touch profile, not the metal line: working pressure 0-1.0 MPa (0-10 kgf/cm2), vacuum down to -750 mmHg (10 Torr), proof pressure 1.5 MPa and a temperature span of -20 to +70 C. Sealing is by NBR O-ring at each chuck, with POM release buttons and chucks and a stainless spring gasket. Because there is no thread, there is nothing to wrap, dope or torque - the joint is made entirely by the push-fit grip.
| Model | Airtac PGJ Plug Pin Reducing Straight Connector PGJ10-6D |
|---|---|
| Type | Plug-in reducer |
| Series | PGJ |
| 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.
| PGJ | Plug-in reducer. |
|---|---|
| 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 horizontal form-fill-seal machine, run 10 mm tube from the air preparation manifold and step down to 6 mm right at the small gripper or reject cylinder. The plug-in body makes the change of size in one fitting, mid-run, with no threaded adapter to seal.
The -750 mmHg (10 Torr) rating is not just a pressure figure - it is a vacuum spec. Use the 10 mm end on the ejector line and the 6 mm end on the suction cup feed in a carton Erector or PCB-handling picker where the cup side is always smaller.
Inside a six-axis robot dress pack there is no plate to tap a thread into. A push-in 10-to-6 reducer lets the heavier trunk stay 10 mm for flexibility and drop to 6 mm only where the end-of-arm tool needs it, keeping the bundle light at the wrist.
This SKU steps 10 mm down to 6 mm, the classic drop from a main feed to a small actuator or sensor line. The step below it in the ladder is the PGJ8-6 (8 mm to 6 mm), which suits feeds that were already modest; the step above is the PGJ12-8 (12 mm to 8 mm) for heavier trunk lines. Going one size down costs you bore and therefore flow capacity on the smaller leg - size the 6 mm leg to the actuator it actually feeds, not to the tubing you happen to have. Remember that a reducer is the right answer only when both ends are tube: if one end needs to land on a threaded port, a threaded reducing fitting is the correct part instead.
Tube OD must match exactly on each end. A Dia 6 grip will not seal 1/4 inch (6.35 mm) imperial tube even though the difference is under half a millimetre, and a Dia 10 end will not hold 12 mm. Only soft nylon or polyurethane tube is compatible - rigid nylon or metal tube will not seat in the chuck.
Quick checklist
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. This specific SKU is a tube-to-tube plug-in reducer joining Dia 10 mm to Dia 6 mm soft nylon or polyurethane tube, in the black D colour option. It has no thread on either end, so it carries no thread sealant and needs no torque.
Press the release ring square against the fitting body while pushing the tube in slightly, then withdraw the tube. AirTAC does not publish a released-and-reconnected cycle count, so treat repeated re-use as a consumable decision rather than a rated life: inspect the cut end each time and cut off the first 10 mm or so if the surface is scarred, because a scored tube surface is the most common cause of a slow leak at the chuck O-ring.
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