Airtac PEB T-Shaped Straight Thread Tee Connector PEB402-S
SUS304 stainless variant (-S)The AirTAC Airtac PEB T-Shaped Straight Thread Tee Connector PEB402-S is a genuine male branch tee for push-in tube connection, rated 0 - 1.0 MPa (0 - 10 kgf/cm2) with a 1.5 MPa proof pressure.
- TypeMale branch tee
- SeriesPEB
- 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 PEB T-Shaped Straight Thread Tee Connector PEB402-S
The PEB402-S is AirTAC's PEB male branch tee in the stainless-stud variant. It takes Dia 4 mm soft nylon or polyurethane tubing into the branch and carries a male 1/4in PT thread for the run through the tee, letting you split a single supply line into two directions from one fitting. Installation is one-touch: push the tube fully home and the internal chuck grips it under the spring gasket; press the release ring and the tube frees for repositioning. The 1/4in PT thread arrives with sealant already applied, so it seals straight into the port without extra tape.
This is the resin/brass one-touch profile, not the metal BP line: working pressure 0-1.0 MPa (0-10 kgf/cm2), vacuum to -750 mmHg, proof pressure 1.5 MPa and a temperature window of -20 to +70 C. With the -S suffix the main body stays PBT and the male stud is SUS304, which is where this fitting earns its place: the thread that sits in a corrosive or wash-exposed port is stainless, while the proven PBT tee body keeps the standard ratings and dimensions identical to the grey PEB402.
Airtac PEB T-Shaped Straight Thread Tee Connector PEB402-S Technical Specifications
| Model | Airtac PEB T-Shaped Straight Thread Tee Connector PEB402-S |
|---|---|
| Type | Male branch tee |
| Series | PEB |
| 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 PEB T-Shaped Straight Thread Tee Connector PEB402-S
| PEB | Male branch tee. |
|---|---|
| 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 PEB T-Shaped Straight Thread Tee Connector PEB402-S Is Used
Branch feed to a pneumatic gripper
On a pick-and-place robot arm, tee the supply line right at the wrist: the 1/4in PT stud screws into the manifold port and the Dia 4 branch runs a short length to a small parallel gripper, all inside the tight envelope behind the tool plate.
Analyser and sample-line take-offs
In a laboratory gas analyser or sample-handling skid, the SUS304 stud resists corrosion in a cabinet that sees condensation or mild reagents, while the Dia 4 branch feeds low-flow tubing to a sensor or ejector.
Pilot signal split on a packaging machine
Use the branch tee at a valve island on a carton wrapper to split one pilot line into two cylinder signals. The one-touch release lets technicians re-route the Dia 4 pilot tubing during changeover without tools.
Is the Airtac PEB T-Shaped Straight Thread Tee Connector PEB402-S the Right Part?
This SKU sits at the small end of the PEB ladder in two directions. On the tube side, Dia 4 is the smallest branch the 1/4in thread takes - the next step up is PEB602 (Dia 6), which buys a slightly larger bore and more capacity to the branch run. On the thread side, the step down is PEB401, the same Dia 4 branch on an M5x0.8 port with a sealing gasket instead of a tapered thread; it is the pick when the manifold port is tiny. If the port is 1/4in, PEB402 is the entry point.
Match the thread to the port, not the tubing: a 1/4in PT stud in a 1/8in port will not seal, and no reducer in this series bridges tapered-thread sizes. And remember the tube rule - Dia 4 means exactly Dia 4 OD. A fitting sized for 4 mm tube will not grip 1/4in (6.35 mm) Imperial tube, so measure the OD before ordering.
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 PEB T-Shaped Straight Thread Tee Connector PEB402-S FAQ
It is a one-touch male branch tee joining Dia 4 mm tube to a 1/4in PT male thread. Working pressure is 0-1.0 MPa (0-10 kgf/cm2), negative pressure goes to -750 mmHg (10 Torr), proof pressure is 1.5 MPa, and the operating temperature range is -20 to +70 C. The tube side accepts soft nylon or polyurethane tubing only. The -S version keeps these figures identical to the standard PEB402; only the stud material changes to SUS304.
No. On the PEB family, the -S option makes the male stud SUS304 while the tee body remains PBT - so the pressure, vacuum and temperature ratings are exactly the same as the standard grey part. If you need a fully stainless body rather than a stainless stud, that construction exists only on the PC and POC straight connectors in this catalogue, not on branch tees.
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