
The AirTAC Airtac PLL L-Type Extended Thread Connector PLL602D-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 PLL602D-S is an AirTAC PLL extended male elbow, the version of the one-touch elbow range whose male thread sits further out from the bend than a standard PL. It joins Dia 6 mm soft nylon or polyurethane tube to a 1/4in PT male port at 90 degrees. To make the joint, push the tube straight in until it bottoms: the stainless spring gasket and chuck grip the OD, and pressing the POM release ring lets the tube out again.
The -S suffix makes the thread stud SUS304 stainless steel while the elbow body stays glass-reinforced PBT, finished black because of the D code in the ordering number. Ratings are identical to the standard PLL line: 0-1.0 MPa working, 1.5 MPa proof, -750 mmHg vacuum, -20 to +70 C. The threaded stud arrives with sealant already applied, so it can be screwed straight into the port.
| Model | Airtac PLL L-Type Extended Thread Connector PLL602D-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. |
On a packaging machine where the cylinder port sits close to a guard panel, the extended PLL602D-S stud clears the panel so the 6 mm tube can be serviced without dismantling the guard.
On food-line conveyor frames cleaned with caustic spray, the SUS304 stud on the 1/4in PT port resists thread corrosion while the black PBT elbow turns the run toward the valve manifold.
Acid fumes attack brass threads on plating-line clamp cylinders; the stainless stud of this Dia 6 elbow survives the atmosphere and the 90-degree turn routes tube along the tank rim.
On the 1/4in thread rung of the PLL ladder the neighbours are Dia 4 below and Dia 8 above. Stepping to PLL402 drops the bore for short signal lines and small pilot actuators; stepping to PLL802 raises it for cylinders and valves that draw more air. If the port is 1/8in instead, the same 6 mm tube is served by PLL601 - check the drawing before ordering, because thread and tube are ordered independently.
The extension is the reason to pick PLL over PL: it puts the release ring far enough from the wall of a guard or housing that a fingertip can reach it for tube removal. Remember that tube OD must match exactly - a Dia 6 chuck will not seal on 1/4in (6.35 mm) imperial tube, and no adapter exists for that mismatch in this range.
Quick checklist
Working pressure 0-1.0 MPa (0-10 kgf/cm2), vacuum to -750 mmHg, proof pressure 1.5 MPa, operating temperature -20 to +70 C. The fitting joins Dia 6 mm soft nylon or polyurethane tube to a 1/4in PT male thread, and the thread stud is SUS304 stainless steel on this -S variant.
It changes only the material of the male thread stud, which becomes SUS304. The elbow body remains PBT (black, per the D suffix) and the pressure, vacuum and temperature figures are exactly those of the standard PLL602D. AirTAC does not publish a corrosion class or food certification for the -S line, so the fitting is specified on the material itself, not on a certified rating.
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