
The AirTAC Airtac PLL L-Type Extended Thread Connector PLL802-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 PLL802-S is an AirTAC PLL extended male elbow, a one-touch fitting that joins Dia 8 mm soft nylon or polyurethane tube to a 1/4in PT male thread set at 90 degrees. Push the tube into the chuck and the stainless spring gasket grips it for a sealed joint; press the release ring and the tube slides straight back out. The elbow body swivels on the thread, so the run of tube can be aimed freely after the stud is torqued home.
The -S suffix marks the stainless variant of this family: on PLL parts AirTAC fits a SUS304 stainless steel stud while the body itself stays PBT. That upgrades the corrosion performance exactly where the fitting threads into the machine, which is the surface exposed to wash-down splash and humid air. Every rating is identical to the standard grey version: 0-1.0 MPa working pressure, -750 mmHg vacuum, 1.5 MPa proof pressure and -20 to +70 C. The longer extended stud is the real difference from a plain PL: there is more thread engagement and room for a spanner behind the elbow body.
| Model | Airtac PLL L-Type Extended Thread Connector PLL802-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. |
A SUS304 stud on the guide-ram cylinder port resists the daily caustic hose-down on a dough-line conveyor, while the Dia 8 bore feeds the 50 mm bore ram without starving flow.
On a semiconductor plating wet bench, the stainless stud threads into rinse-valve ports where copper-bearing brass studs would risk metal contamination in the DI rinse water.
The extended stud reaches down into a pocketed 1/4in PT port on a machine valve manifold, leaving spanner access where a shallow PL elbow body would foul the pocket wall.
On the 1/4in PT ladder for the PLL series you can step down to the PLL602 (Dia 6 tube) or up to the PLL1002 (Dia 10 tube). Stepping to Dia 6 suits lighter actuators and shorter runs, while Dia 10 adds bore for longer lines to cylinders and valves with less pressure drop; both use the same 1/4in port, so the manifold does not change. Remember the tube must match exactly - an 8 mm one-touch chuck will not hold 1/4in (6.35 mm) imperial hose.
Choose the PLL shape over the straight PC when the tube must leave a port at a right angle, and over the plain PL when the port sits inside a recess, behind a guard plate or below the surface of a manifold, where the extended stud gives the extra reach and wrench access.
Quick checklist
It connects Dia 8 mm tube to a 1/4in PT male thread in an extended 90-degree elbow. Working pressure is 0-1.0 MPa (0-10 kgf/cm2), negative pressure is -750 mmHg (10 Torr), proof pressure is 1.5 MPa and the operating temperature range is -20 to +70 C. The stud is SUS304 stainless steel; the ratings match the standard PLL802 exactly.
No. On PLL-series stainless variants AirTAC replaces the stud with SUS304 while the elbow body remains PBT, and the pressure, vacuum and temperature figures stay unchanged. If you need full stainless construction on a straight connector, look at the PC-S or POC-S range, where AirTAC makes the body itself from stainless steel 304.
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