Airtac PC Threaded Straight Connector PC1204-S
SUS304 stainless variant (-S)The AirTAC Airtac PC Threaded Straight Connector PC1204-S 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 PC1204-S
The PC1204-S is the AirTAC PC male connector in its SUS304 stainless-steel version, joining Dia 12 mm soft nylon or polyurethane tubing to a 1/2in PT male thread. Because this is the PC family in -S form, the connector body itself is stainless steel 304 and the construction is copper-free - not just the stud. Push the tube home and the internal chuck grips it; press the release ring and it lets go, so changes at the manifold take seconds without tools.
The stainless -S variant carries exactly the same ratings as the standard brass-body PC line: 0-1.0 MPa working pressure, -750 mmHg vacuum, 1.5 MPa proof pressure and -20 to +70 C. The seal stack stays POM release button and chuck, aluminium-alloy guide, stainless spring gasket and NBR O-ring, so do not re-rate this part for hotter service - that is the separate metal BPC line at 150 C.
Airtac PC Threaded Straight Connector PC1204-S Technical Specifications
| Model | Airtac PC Threaded Straight Connector PC1204-S |
|---|---|
| Type | Male connector |
| Series | PC |
| 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.
Model Code: Airtac PC Threaded Straight Connector PC1204-S
| 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. |
| -S | Stainless-steel body. |
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 PC1204-S Is Used
Copper-free plating line plumbing
Dia 12 feed lines to rinse-tank actuators on electroplating rigs, where the SUS304 copper-free body avoids copper ions entering the process baths.
Food wash-down conveyor actuation
A 1/2in PT drop from a wash-down manifold to a Dia 12 cylinder on a bakery or meat-processing conveyor, with the 304 body standing up to routine hose-down.
Marine deck winch control
Salt-laden air on fishing-vessel and pontoon deck gear attacks brass; a stainless straight connector feeding Dia 12 line to a deck winch cylinder resists it.
Is the Airtac PC Threaded Straight Connector PC1204-S the Right Part?
On the PC 1/2in thread the ladder runs Dia 6, 8, 10, 12, so PC1204-S is the largest tube this thread accepts. Stepping down to PC1004 gives Dia 10 and slightly less bore capacity for the same port; there is no Dia 14 above this one on a 1/2in PC thread. If your line needs a bigger bore, move to a larger thread code rather than forcing an oversize tube - the fitting will only hold the OD stamped in its code.
Match the 1/2in PT male thread to a matching PT port and use the pre-applied thread sealant; M5 sizes on the PC series seal with a gasket instead, but at 1/2in it is sealant on the taper. This straight in-line body suits runs where the tube can approach the port head-on; for a corner turn use the PL or PLL elbow in the same stainless-stud family.
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 PC1204-S FAQ
It is a SUS304 stainless one-touch male connector for Dia 12 mm soft nylon or polyurethane tube with a 1/2in PT male thread. Working pressure is 0-1.0 MPa (0-10 kgf/cm2), vacuum down to -750 mmHg (10 Torr), proof pressure 1.5 MPa, and operating temperature -20 to +70 C. These figures are identical to the standard PC line - the -S variant changes the body material and adds copper-free construction, never the ratings.
No. One-touch fittings grip the exact tube OD in the model code, and Dia 12 mm is about 0.472in while nominal 1/2in imperial tube measures 12.7 mm, so the chuck will not seal it. Use genuine Dia 12 mm metric soft nylon or polyurethane tube. For a smaller branch off the same 1/2in port, PC1004 (Dia 10) or PC0804 (Dia 8) are the in-family steps down.
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