Airtac PG Reducing Union PG10-6
The AirTAC Airtac PG Reducing Union PG10-6 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.
- TypeDifferent diameter straight
- SeriesPG
- Working pressure0 - 1.0 MPa (0 - 10 kgf/cm2)
- Proof pressure1.5 MPa
- Temperature-20 to +70 °C
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac PG Reducing Union PG10-6
The PG10-6 is an AirTAC different diameter straight union, the simplest way to join a Dia 10 mm run of soft nylon or polyurethane tubing to a Dia 6 mm branch without adapters, barbed splicers or hose clips. Both ends are one-touch: push the tube home and an internal stainless spring gasket plus chuck grips its outer wall; press the release ring and that side lets go, independently of the other. Because each chuck is sized for its own bore, the Dia 10 and Dia 6 sides hold and release with the same push-fit action despite the step in diameter.
This is the resin/brass one-touch profile, not the metal BP line: working pressure 0-1.0 MPa (0-10 kgf/cm2), vacuum down to -750 mmHg, proof pressure 1.5 MPa and a working temperature of -20 to +70 C. The release button and chuck are POM with an NBR seal, and the standard finish is grey - order the -D suffix for the black version, which on PG changes the body colour, not just the button.
Airtac PG Reducing Union PG10-6 Technical Specifications
| Model | Airtac PG Reducing Union PG10-6 |
|---|---|
| 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.
Model Code: Airtac PG Reducing Union PG10-6
| 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. |
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 PG Reducing Union PG10-6 Is Used
Packaging machine trunk-to-valve step-down
A Dia 10 nylon trunk run from the FRL on a form-fill-seal machine drops to Dia 6 right at the cluster of solenoid valves, using one PG10-6 per drop instead of two threaded adapters.
Manifold branch to compact actuator
On a pneumatic manifold supplying several small rotary actuators, each Dia 10 outlet is reduced in-line to Dia 6 tubing that reaches the actuator port inside tight guarding.
Vacuum line reduction at the ejector
A central Dia 10 vacuum line rated down to -750 mmHg steps to a Dia 6 tail feeding a compact ejector on a PCB-handling pick station, with the push-in seal holding under continuous vacuum.
Is the Airtac PG Reducing Union PG10-6 the Right Part?
Step down and you reach PG8-4, which does the same job between Dia 8 and Dia 4 lines; step up and the PG ladder continues into the Dia 12 sizes for larger trunk runs. What changes between steps is the air capacity you can carry: a 10-to-6 reducer makes sense when the larger side feeds a manifold or trunk and the 6 mm side serves a single compact actuator, but reducing further to 4 mm on short runs will throttle anything beyond a small cylinder. Check the direction you actually need before ordering - PG10-6 always steps from 10 down to 6, never the reverse.
Both tube ends must match their nominal OD exactly. A Dia 6 fitting will not seal on 1/4 inch (6.35 mm) tube, so if your line is inch-sized rather than metric, stop and confirm before you order. If you need the reduction to happen at a threaded port instead of in-line, that is a job for a reducer branch such as the PKD family, not this union.
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
Airtac PG Reducing Union PG10-6 FAQ
It is a different diameter straight union joining Dia 10 mm tube on one side and Dia 6 mm on the other, with no thread - both connections are push-in. It belongs to AirTAC's resin one-touch range: working pressure 0-1.0 MPa (0-10 kgf/cm2), negative pressure down to -750 mmHg (10 Torr), proof pressure 1.5 MPa and operating temperature -20 to +70 C. Tubing must be soft nylon or polyurethane.
Yes. Each chuck grips its own tube independently, so you can run soft nylon on the Dia 10 upstream side and polyurethane on the Dia 6 downstream side. Keep both diameters exactly on size and remember that at the extremes of the -20 to +70 C range, the tubing itself - not the fitting body - is usually what limits performance.
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