
The AirTAC Airtac PG Reducing Union PG10-6D is a genuine different diameter straight for push-in tube connection, rated 0 - 1.0 MPa (0 - 10 kgf/cm2) with a 1.5 MPa proof pressure.
The PG10-6D is an AirTAC PG different diameter straight union in black, a tube-to-tube reducer that joins a Dia 10 mm line directly to a Dia 6 mm line with no threaded port in between. The hyphen in the code is the giveaway: unlike standard one-touch parts, a reducer carries both sizes, 10 to 6 in this case.
Each end works the same one-touch way: push the soft nylon or PU tube home and the internal chuck with its stainless spring gasket grips the OD, while the POM release ring frees it again when you need to re-route. This is the resin spec profile, not the metal BPC line: 0-1.0 MPa working pressure, 1.5 MPa proof, -750 mmHg vacuum and -20 to +70 C. The D suffix turns the body black, which on a PG changes the body itself, not just the button as it does on PC and POC.
| Model | Airtac PG Reducing Union PG10-6D |
|---|---|
| Type | Different diameter straight |
| Series | PG |
| 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.
| PG | Different diameter straight. |
|---|---|
| 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. |
Feed a Dia 10 mm drop from the machine's air manifold and reduce it to Dia 6 mm at the compact cylinder that tips cartons on a horizontal wrap line.
Run Dia 10 mm supply tubing along the robot arm, then step to Dia 6 mm for the short, flexible final leg into a pneumatic gripper on a small-parts handling cell.
Inside a machine electrical cabinet, taper a Dia 10 mm distribution run down to Dia 6 mm pigtails feeding solenoid valves, keeping the black body discreet against dark trunking.
Step down from PG8-4 to drop a Dia 8 leg to Dia 4, or up to PG12-8 to run Dia 12 into Dia 8; the PG ladder always changes both sides by one tube size, so pick the pair that matches your two actual line sizes. This PG10-6D suits a Dia 10 supply rail feeding a Dia 6 branch, a very common step between a manifold drop and a compact actuator.
Never cross-match imperial tube onto this union: 10 mm metric tube measures noticeably more than 3/8 inch (about 9.7 mm), so a PG10-6D will not seal on 3/8 inch tubing even though the numbers look close. Match OD exactly on both ends.
Quick checklist
Working pressure 0-1.0 MPa (0-10 kgf/cm2), proof pressure 1.5 MPa, usable vacuum to -750 mmHg (10 Torr), and a temperature range of -20 to +70 C. It is a resin one-touch reducing union joining Dia 10 mm tubing on one end and Dia 6 mm on the other, with a black body and POM release buttons. Applicable tubing is soft nylon or polyurethane.
No. AirTAC one-touch sizes are metric OD only, and this reducer is cut for exactly Dia 10 mm and Dia 6 mm. A 3/8 inch tube measures about 9.7 mm OD, which is too small to seal in the Dia 10 chuck, so never substitute imperial tube on this part. If your lines are truly 3/8 inch, you need the imperial N-series catalogue instead.
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