
The AirTAC Airtac PLL L-Type Extended Thread Connector PLL1202-S is a genuine extended male elbow for push-in tube connection, rated 0 - 1.0 MPa (0 - 10 kgf/cm2) with a 1.5 MPa proof pressure.
The AirTAC PLL1202-S is an extended male elbow one-touch fitting from the resin/brass one-touch family, joining Dia 12 mm soft nylon or polyurethane tube to a 1/4in PT male port at a right angle. The extended neck is the defining feature: the hex flats sit further out from the elbow body, so a spanner has clean access even when the fitting is threaded into a recessed port or a crowded manifold, and the sealant-coated thread seats without the button housing fouling the mounting face.
This -S variant keeps the PBT moulded body, POM release button and chuck, aluminium-alloy guide, stainless spring gasket and NBR O-ring of the standard PLL, but the male stud is Stainless steel 304. That is the honest material story: the corrosion-resistant upgrade lives in the stud, not the whole body. Ratings are unchanged by the -S suffix - 0-1.0 MPa working pressure, 1.5 MPa proof pressure, -750 mmHg vacuum and -20 to +70 C.
| Model | Airtac PLL L-Type Extended Thread Connector PLL1202-S |
|---|---|
| Type | Extended male elbow |
| Series | PLL |
| 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.
| PLL | Extended male elbow. |
|---|---|
| 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. |
Feeding Dia 12 tube down to a large bore conveyor stopper or gate cylinder where the port sits close to the frame, with the SUS304 stud standing up to repeated caustic hose-down cycles.
Corrosive fumes around plating lines attack brass fasteners; the stainless stud on the port side resists this while the PBT body stays inert to splash.
An elbow with an extended neck turns a Dia 12 line 90 degrees off a manifold outlet without the release button clashing with adjacent valves or the panel wall.
Dia 12 on a 1/4in thread is the top of the PLL 1/4in ladder. Step down to PLL1002 for Dia 10 tube if the line feeds a mid-size cylinder or valve, or step the thread up to PLL1203 (3/8in PT) when the port is the larger size and Dia 12 tube stays. Note that PLL in 1/2in thread exists only in Dia 10 and Dia 12 - AirTAC does not make a small-tube 1/2in extended elbow, so a 1/4in or 3/8in port is mandatory for Dia 4 to Dia 8 lines. If you need a straight run into the port instead of an elbow, the PC series covers Dia 12 with 1/4in and 3/8in threads.
Tube outside diameter must match exactly: a Dia 12 PLL1202-S will not grip 1/2in or 5/8in hose, and no adapter inside the fitting fixes that. Keep the run to soft nylon or PU tube only, and remember that at temperature extremes the tube, not the fitting, is usually the first thing to fail.
Quick checklist
It is an AirTAC PLL extended male elbow one-touch fitting for Dia 12 mm tube with a 1/4in PT male thread. Working pressure 0-1.0 MPa (0-10 kgf/cm2), negative pressure to -750 mmHg (10 Torr), proof pressure 1.5 MPa, operating temperature -20 to +70 C. Tube must be soft nylon or polyurethane. The -S suffix makes the male stud SUS304 while the body stays PBT; all pressure and temperature figures are identical to the standard PLL1202.
The extended male thread puts the wrench flats clear of the mounting surface, so you can torque the 1/4in PT stud properly on recessed or closely spaced ports - a standard PL elbow often leaves no room for a spanner once the POM button housing swings alongside the port. Use PL or PV instead when clearance is generous and you want the most compact 90-degree turn.
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