Airtac PGJ Plug Pin Reducing Straight Connector PGJ8-6D
The AirTAC Airtac PGJ Plug Pin Reducing Straight Connector PGJ8-6D 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.
- TypePlug-in reducer
- SeriesPGJ
- 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 PGJ Plug Pin Reducing Straight Connector PGJ8-6D
The PGJ8-6D is an AirTAC PGJ plug-in reducer, a one-touch fitting that joins a Dia 8 mm tube directly to a Dia 6 mm tube with no threaded port in between. It belongs to the resin and brass one-touch family, not the metal BP line: working pressure 0-1.0 MPa, negative pressure down to -750 mmHg (10 Torr), proof pressure 1.5 MPa, and a temperature window of -20 to +70 C. It is supplied in black, because on this series the D suffix changes the body colour, not just the release button as it does on PC and POC.
Assembly is push-to-connect at both ends: push the tube fully home and the stainless spring gasket and chuck grip it against the NBR O-ring seal; press the POM release ring and the tube frees. Because there is no male thread, there is no thread sealant to apply and no tape to wind - the connection is made entirely tube-to-tube, which keeps the step-down compact and leak paths to a minimum.
Airtac PGJ Plug Pin Reducing Straight Connector PGJ8-6D Technical Specifications
| Model | Airtac PGJ Plug Pin Reducing Straight Connector PGJ8-6D |
|---|---|
| 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.
Model Code: Airtac PGJ Plug Pin Reducing Straight Connector PGJ8-6D
| 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. |
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 PGJ Plug Pin Reducing Straight Connector PGJ8-6D Is Used
Manifold branch step-down
On a pneumatic manifold plumbed in Dia 8 soft nylon, use the PGJ8-6D right at the branch take-off to drop to Dia 6 tubing feeding a compact control valve, keeping the small-bore run as short as possible.
Pick-and-place end of arm
On a small vacuum or air-assist gripper head where the supply runs in Dia 8 but the final flex section must be lighter Dia 6 polyurethane, this reducer makes the transition at the wrist without a threaded joint to loosen.
Conveyor air-knife feed
Where a Dia 8 header supplies several Dia 6 puffer jets along a packaging conveyor, the black PGJ8-6D marks each step-down point visually, which speeds up fault-finding on a busy line.
Is the Airtac PGJ Plug Pin Reducing Straight Connector PGJ8-6D the Right Part?
Step down to the PGJ6-4 pairing when your larger line is Dia 6 and you need to feed Dia 4 tubing; step up to PGJ10-8 when the supply line is Dia 10 and this same Dia 8-to-Dia 6 drop is what your actuator needs. The bore you keep on the small side sets the flow ceiling of the whole run, so never step down earlier in the circuit than you have to.
Check the port before you order: this fitting has no thread at all, so if your drawing calls a threaded reducer it is a different prefix. And match tube OD exactly on both legs - a Dia 6 chuck will not seat 1/4 inch (6.35 mm) tube, and a near-fit is a fitting that lets go under pressure.
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 PGJ Plug Pin Reducing Straight Connector PGJ8-6D FAQ
It is a PGJ plug-in reducer joining Dia 8 mm tube to Dia 6 mm tube, with no thread. Working pressure is 0-1.0 MPa (0-10 kgf/cm2), negative pressure is -750 mmHg (10 Torr), proof pressure is 1.5 MPa, and the operating temperature range is -20 to +70 C. It takes soft nylon or polyurethane tube, and at the top of the temperature range the tubing itself is usually the limiting factor rather than the fitting body.
Yes, and it is worth knowing: on PC and POC straight connectors the D suffix changes only the release button to black, but on this series the whole body is moulded black. Mechanically it is identical to the grey PGJ8-6 - same POM chuck, aluminium guide, stainless gasket and NBR O-ring, and the same 1.0 MPa rating - so you can order the black version purely for appearance or line-marking reasons.
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