Airtac PC Threaded Straight Connector PC803
The AirTAC Airtac PC Threaded Straight Connector PC803 is a genuine male connector for push-in tube connection, rated 0 - 1.0 MPa (0 - 10 kgf/cm2) with a 1.5 MPa proof pressure.
- TypeMale connector
- SeriesPC
- 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 PC Threaded Straight Connector PC803
The PC803 is an AirTAC PC series male connector, the straight threaded fitting in the resin one-touch range. It takes Dia 8 mm soft nylon or polyurethane tubing on the tube side and screws into a 3/8in PT male thread on the equipment side. The PC body on this range is brass, the release button and chuck are POM, and the guide is aluminium alloy with a stainless spring gasket and NBR O-ring.
Installation is a push: slide the tube into the chuck and the stainless gasket grips it for a seal that holds full working pressure. Press the POM release ring toward the body and the tube slides free for rework. Rating on this resin profile is 0 to 1.0 MPa (0 to 10 kgf/cm2), vacuum to -750 mmHg (10 Torr), proof pressure 1.5 MPa, and a working temperature of -20 to +70 C. The 3/8in thread arrives with sealant already applied, so no extra tape is needed.
Airtac PC Threaded Straight Connector PC803 Technical Specifications
| Model | Airtac PC Threaded Straight Connector PC803 |
|---|---|
| Type | Male connector |
| Series | PC |
| 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 PC Threaded Straight Connector PC803
| PC | Male connector. |
|---|---|
| 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 PC Threaded Straight Connector PC803 Is Used
Packaging machine conveyor air feed
A 3/8in manifold port feeding 8 mm line to conveyor gate cylinders gives the bore headroom for repeated clamping cycles without starving downstream actuators.
Vacuum forming table hold-down
Clamping grids on thermoforming equipment often run 8 mm polyurethane line from a 3/8in port; the -750 mmHg vacuum rating keeps the seal held under hold-down duty.
Textile machine loom supply drops
Looms and industrial sewing lines route 8 mm soft nylon through congested frames; a straight 3/8in connector at the header keeps the drop replaceable in minutes.
Is the Airtac PC Threaded Straight Connector PC803 the Right Part?
On the tube ladder this 8 mm bore sits between PC603 (Dia 6, same 3/8in thread) and PC1003 (Dia 10). Stepping down to 6 mm eases flow demand on light lines like pilot circuits; stepping up to 10 mm lowers resistance where a cylinder retracts fast. On the thread ladder, PC802 covers the same 8 mm tube on a 1/4in port and PC804 on a 1/2in port, so match the code to the port you actually have. Note that a 3/8in port on the PC ladder accepts 6, 8, 10 or 12 mm tube, so 8 mm is mid-range here.
Tube OD must match the code exactly: this chuck is built for 8 mm and will not seal on 1/4in (6.35 mm) tube, even though the sizes look close. If the run needs to turn at the port, a PL male elbow or PH universal elbow in the same 8 mm / 3/8in combination is the shape to compare first.
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 PC Threaded Straight Connector PC803 FAQ
It is a PC series one-touch male connector for Dia 8 mm tube with a 3/8in PT thread. Working pressure 0 to 1.0 MPa (0 to 10 kgf/cm2), negative pressure to -750 mmHg (10 Torr), proof pressure 1.5 MPa, temperature -20 to +70 C. Tubing is soft nylon or polyurethane; body brass, button and chuck POM, O-ring NBR.
No. AirTAC ships every threaded part in this range with sealant pre-applied to the PT thread, so it goes straight onto the port. M5 sizes in the same series use a sealing gasket instead, which is why the small and large thread ends of the ladder are handled differently.
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