Airtac PM Panel Mount Straight Coupling PM6
The AirTAC Airtac PM Panel Mount Straight Coupling PM6 is a genuine bulkhead union for push-in tube connection, rated 0 - 1.0 MPa (0 - 10 kgf/cm2) with a 1.5 MPa proof pressure.
- TypeBulkhead union
- SeriesPM
- 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 PM Panel Mount Straight Coupling PM6
The PM6 is an AirTAC PM bulkhead union, a tube-to-tube one-touch fitting built to carry a Dia 6 line through a panel or enclosure wall. Both ends accept the same 6 mm tube: push the tubing home and the internal chuck grips it; press the release ring to free it. The fitting sits in a drilled hole and the M14x1 locknut clamps it from the far side, so the joint stays put even when the tubing on either side is pulled or vibrated.
This is the resin and brass profile, not the metal BPC family: working pressure 0-1.0 MPa, vacuum to -750 mmHg, proof pressure 1.5 MPa, and a -20 to +70 C temperature window. The release button and chuck are POM over an aluminium guide with a stainless spring gasket and NBR O-ring. The M14x1 locknut is the only thread on the part - it clamps the panel; it does not connect to a port.
Airtac PM Panel Mount Straight Coupling PM6 Technical Specifications
| Model | Airtac PM Panel Mount Straight Coupling PM6 |
|---|---|
| Type | Bulkhead union |
| Series | PM |
| 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 PM Panel Mount Straight Coupling PM6
| PM | Bulkhead union. |
|---|---|
| 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 PM Panel Mount Straight Coupling PM6 Is Used
Control panel pass-through
Feed a 6 mm signal or actuation line through the wall of an electrical enclosure and land it on a valve manifold inside, keeping the air plumbing out of the wiring zone.
Pick-and-place head feed
Take a Dia 6 vacuum or gripper supply line through the base plate of a small pick-and-place module so the tube is anchored before it runs to the moving head.
Lab automation cabinet
Mount the PM6 in the back plate of a liquid-handling or analytical cabinet, letting the 6 mm pneumatic line enter cleanly without a loose tube rubbing on a sharp edge.
Is the Airtac PM Panel Mount Straight Coupling PM6 the Right Part?
Step down to PM4 for a Dia 4 line through an M12x1 panel hole, or up to PM8 for Dia 8 through an M16x1 hole - the locknut grows with the tube, so the panel cut-out changes too. If you actually need a bulkhead fitting with a female port thread on one side, that is the PMF bulkhead connector instead; if the line must turn 90 degrees after passing through a wall, look at the PLM bulkhead male elbow.
Drill the panel to suit the Dia 6 body and use tubing that is exactly 6 mm OD in soft nylon or polyurethane. A 1/4" (6.35 mm) tube will not seal in this chuck, and semi-rigid tubing will not seat on the gasket either.
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 PM Panel Mount Straight Coupling PM6 FAQ
The PM6 joins two Dia 6 mm tubes tube-to-tube and is locked to the panel with an M14x1 locknut. Working pressure is 0-1.0 MPa (0-10 kgf/cm2), it handles vacuum down to -750 mmHg, proof pressure is 1.5 MPa, and the temperature range is -20 to +70 C. Tubing must be soft nylon or polyurethane at exactly 6 mm OD.
No. The PM6 is a pure tube-to-tube union; its only thread is the M14x1 locknut used to clamp the fitting into the panel hole, and its size changes with the tube (M12x1 on PM4, M16x1 on PM8). If you need a bulkhead fitting with a real female port thread, order the PMF bulkhead connector instead.
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