
The AirTAC Airtac PGJ Plug Pin Reducing Straight Connector PGJ12-10 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 AirTAC PGJ12-10 is a plug-in reducer from the PGJ range of different diameter straight unions: a one-touch fitting that joins Dia 12 mm tube on the large socket to Dia 10 mm tube on the small socket in a straight line, with no threaded port anywhere in the part. Push each tube home and the internal chuck grips it against the seal; press the POM release ring to free it again.
This is the resin spec profile, not the 0.9 MPa metal BP 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 window of -20 to +70 C. Tubing must be soft nylon or polyurethane. Because there is no thread, there is no sealant to apply and no torque to worry about - the connection is purely push-fit. The standard body is grey; adding the D suffix to the code changes the body to black.
| Model | Airtac PGJ Plug Pin Reducing Straight Connector PGJ12-10 |
|---|---|
| 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. |
At a stamping press, step a Dia 12 mm ring-main feed down to Dia 10 mm hose on its way to the clamping cylinder, with no threaded adaptor to seal or work loose under vibration.
The -750 mmHg (10 Torr) negative pressure rating lets this reducer sit in the vacuum circuit of a packaging machine's suction cup array, where a Dia 12 trunk feeds Dia 10 drop legs to the cups.
On an automated palletiser, maintenance can swap a worn Dia 10 actuator hose straight into a Dia 12 manifold drop - press the old tube out, press the new line in, and the line is back up.
PGJ12-10 is the mildest step available off the Dia 12 bore. The next fitting down on the same inlet is PGJ12-8, which takes Dia 12 down to Dia 8 mm in one part when the drop needs to be smaller, and Dia 12 is the largest tube OD in this catalogue, so no larger entry exists. On the small side, PGJ10-8 handles a Dia 10 to Dia 8 step if you are stepping between the two smaller bores instead. Tube OD must match exactly on both ends - the Dia 10 socket will not seal or hold 8 mm tube, and neither end accepts inch tubing.
Quick checklist
Working pressure 0-1.0 MPa (0-10 kgf/cm2), negative pressure to -750 mmHg (10 Torr), proof pressure 1.5 MPa, operating temperature -20 to +70 C. The fitting steps Dia 12 mm tube down to Dia 10 mm and takes soft nylon or polyurethane tubing only. It is a straight union with no thread.
No. Each one-touch socket is cut for a single tube OD, so the Dia 10 half of the PGJ12-10 will not grip or seal Dia 8 tube. Order PGJ12-8, which steps Dia 12 down to Dia 8 in one fitting, for that combination.
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