The AirTAC Airtac POC Round Thread Straight Connector POC601-S is a genuine male connector (compact) for push-in tube connection, rated 0 - 1.0 MPa (0 - 10 kgf/cm2) with a 1.5 MPa proof pressure.
POC601-S is the AirTAC POC compact male connector in its stainless form: a one-touch push-in fitting that joins Dia 6 soft nylon or polyurethane tubing to a 1/8in PT male thread. On the POC series the -S suffix makes the body itself SUS304 rather than PBT, and AirTAC states that all parts of the assembly are copper-free. Push the tube home and the chuck grips it against the stainless spring gasket; press the release ring and the tube slides free. The 1/8in thread arrives with sealant already applied, so it seals straight into a PT port.
The stainless body does not change the ratings - this still carries the resin-line spec profile: 0-1.0 MPa (0-10 kgf/cm2) working pressure, -750 mmHg (10 Torr) vacuum, 1.5 MPa proof pressure and -20 to +70 C. Release button and chuck stay POM, the guide is aluminium alloy, the gasket spring is stainless and the O-ring is NBR. The POC body is the shorter, more compact version of the PC connector, which matters where fittings sit side by side on a crowded manifold front.
| Model | Airtac POC Round Thread Straight Connector POC601-S |
|---|---|
| Type | Male connector (compact) |
| Series | POC |
| Connection | Push-in one-touch |
| Body material | Stainless steel 304 (-S variant) |
| 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. Stainless (-S): SUS304 in place of brass - a solid SUS304 body on the PC and POC straight connectors, and a PBT body with a SUS304 stud on the elbow, tee and branch shapes. Working pressure, proof pressure and temperature are unchanged from the standard version. AirTAC publishes flow as a characteristic curve rather than a single figure, so no L/min value is listed.
| POC | Male connector (compact). |
|---|---|
| 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. |
| -S | Stainless-steel body. |
Supplying the vacuum generator on a pick-and-place head, where AirTAC's copper-free stainless construction keeps copper particles out of the air stream around sensitive electronics assembly.
Plumbing the lift cylinder on an electroplating transfer jig, where caustic and acid mist attack brass fittings but the SUS304 body shrugs off the environment.
Connecting the bag-clamp actuator on a packaging machine that is hosed down each shift; the stainless body resists the caustic washdown that would pit a plated brass connector.
On the POC 1/8in ladder this Dia 6 sits between Dia 4 below (POC401-S) and Dia 8 above (POC801-S). Stepping down to Dia 4 suits light pilot and signal lines; stepping up to Dia 8 feeds larger actuators, since air capacity scales with the tube bore rather than the thread. If the tube is Dia 6 but the port is bigger, the same bore is offered on a 1/4in PT thread as POC602-S. Note the 1/8in PT male is smaller in the metal than a 1/8in NPT thread would suggest - it screws into PT/parallel ports as documented here. Tube OD must match exactly: a Dia 6 chuck will not seal on 1/4in (6.35 mm) tube even though the sizes look close on paper.
Quick checklist
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. The part joins Dia 6 mm tubing to a 1/8in PT male thread, with a SUS304 body and copper-free construction on all parts. Applicable tubing is soft nylon or polyurethane.
No. AirTAC rates the POC601-S at exactly the same figures as the standard POC601 - 0-1.0 MPa working, 1.5 MPa proof, -20 to +70 C. The -S changes the material to SUS304 (body) and makes the assembly copper-free for corrosion resistance and clean-air duty; the dimension tables are unchanged too, so it drops into the same footprint.
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