
The AirTAC SDAJ32~40 Adjustable Super Slim Cylinder SDAJ32X100-20 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 80 to 100 mm on the machine — no shims, no part change.
The AirTAC SDAJ32X100-20 is a double-acting compact cylinder featuring an external R (M10x1.25) adjustment screw that dials the extend stop from 80 to 100 mm on-site.
Its short riveted body saves axial mounting depth where a larger profile cylinder will not fit. End-of-travel deceleration is handled by a fixed NBR bumper, which absorbs shock but is not an adjustable air cushion. Note that this specific SKU lacks a piston magnet, so it cannot host reed or electronic switches without upgrading to the -S variant.
| Model | Airtac SDAJ32~40 Adjustable Super Slim Cylinder SDAJ32X100-20 |
|---|---|
| Series | SDAJ compact adjustable-stroke cylinder |
| Bore size | Ø32 mm |
| Max stroke | 100 mm |
| Adjustable range | 80 – 100 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 20 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. |
| ×100 | Maximum stroke length in mm. |
| -20 | 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 extend stop from 80 to 100 mm via the M10x1.25 screw during fixture swaps, hitting exact push positions without machining new spacers.
Iterate the extend endpoint safely during R&D testing; the fixed NBR bumper absorbs end-shock while you find the optimal 80-100 mm travel.
Choose this unit if your application requires frequent on-machine stroke tuning between 80 and 100 mm without changing parts. Confirm your setup needs a PT1/8 port, a female M6x1.0 rod-end thread, and a 12 mm rod. Remember that a plain SDAJ does not hold position on air loss; for load holding without live pressure, install an external rod lock or pilot-operated check valve.
Quick checklist
Turning the external R (M10x1.25) screw mechanically shortens the extend stroke by up to 20 mm, giving a usable 80-100 mm range. This SKU has no piston magnet; to use reed or electronic switches you must select the -S magnet option.
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