
The AirTAC SDAJ32~40 Adjustable Super Slim Cylinder SDAJ32X50-10 is a genuine double-acting COMPACT cylinder (Ø32mm bore) whose extend end-position is set by an external M10×1.25 adjustment screw. You can dial the stroke anywhere from 40 to 50 mm on the machine — no shims, no part change.
The AirTAC SDAJ32X50-10 is a double-acting compact cylinder featuring a 32mm bore and a 50mm maximum stroke. An external M10x1.25 adjuster screw lets you dial the extend stop down to 40mm directly on the machine, providing a 10mm fine-tuning window without swapping parts.
The short riveted body minimizes axial mounting depth where space is tight. End-of-stroke deceleration relies on a fixed NBR bumper rather than an adjustable air cushion. This specific SKU lacks a piston magnet, so it cannot host reed or electronic switches; choose the -S option if sensing is required.
| Model | Airtac SDAJ32~40 Adjustable Super Slim Cylinder SDAJ32X50-10 |
|---|---|
| Series | SDAJ compact adjustable-stroke cylinder |
| Bore size | Ø32 mm |
| Max stroke | 50 mm |
| Adjustable range | 40 – 50 mm |
| Adjuster thread (R) | M10×1.25 |
| Port size | PT1/8 |
| Acting type | Double acting |
|---|---|
| Rod end thread | M6×1.0 F / M10×1.25 male (B) |
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Fixed NBR bumper (both ends) |
The adjustment screw shortens the extend stroke by up to 10 mm. SDAJ is a double-rod cylinder. Specifications follow the official AirTAC SDAJ datasheet.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 346 N | 346 N |
| 0.7 MPa | 484 N | — |
| Max (@1.0 MPa) | 70 kgf | |
SDAJ is double-rod: the rear rod that carries the stroke adjuster passes through the rear cover, so both piston faces lose rod area. Push is shown at the annular-area value (conservative), lower than a single-rod SDA push of the same bore. Actual usable force is lower than theoretical due to friction.
| SDAJ | Compact double-acting cylinder with adjustable stroke. |
|---|---|
| 32 | Bore size in mm. |
| ×50 | Maximum stroke length in mm. |
| -10 | Adjustable window (10/20/30/40/50/75/100 mm). |
| S / B | S = magnet; B = male-thread rod (both optional). |
Thread: PT standard. Related SDA-family variants: SDA (fixed stroke), SDAD (double rod), SSA/STA (single acting), SDAT (duplex), SDAW (duplex-end).
Dial the 10mm extend window during initial tooling setup to perfectly dial in 40-50mm clamping reach without machining custom spacers.
Use the external M10x1.25 screw to test end positions in prototype jigs, safely decelerating the 20.5kg vertical load via the fixed NBR bumper.
It is ideal for setups requiring on-site stroke tuning between 40mm and 50mm. Remember that a plain cylinder does not hold position if air pressure drops or the valve centers—the piston drifts and the fixed bumper only decelerates near the end. For load holding without live pressure, install an external rod lock or pilot-operated check valve. This configuration includes a PT1/8 port, a 12mm rod with a female M6x1.0 end thread, and no magnet.
Quick checklist
The theoretical maximum push is 82kgf at 1.0MPa.
Turning the R (M10x1.25) screw shortens the extend end position from the 50mm maximum down to 40mm.
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