
The AirTAC SDAJ32~40 Adjustable Super Slim Cylinder SDAJ32X90-75B 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 15 to 90 mm on the machine — no shims, no part change.
The AirTAC SDAJ32X90-75B is a compact double-acting double-rod cylinder featuring an external extend stop. An M10x1.25 adjuster screw lets you dial the outward travel down from the 90 mm maximum to as little as 15 mm directly at the machine, eliminating shims or part swaps.
This variant uses a male M10x1.25 piston rod thread and a PT1/8 air port. Its short riveted body conserves axial mounting depth where space is tight. End-of-stroke deceleration is handled by a fixed NBR bumper, which is not an adjustable air cushion. Note that this specific SKU lacks a piston magnet, so it cannot host reed or electronic switches without changing to an -S version.
| Model | Airtac SDAJ32~40 Adjustable Super Slim Cylinder SDAJ32X90-75B |
|---|---|
| Series | SDAJ compact adjustable-stroke cylinder |
| Bore size | Ø32 mm |
| Max stroke | 90 mm |
| Adjustable range | 15 – 90 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 75 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. |
| ×90 | Maximum stroke length in mm. |
| -75 | 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).
Turn the M10x1.25 adjuster to shift the extend position between product runs, saving setup time without swapping the cylinder body.
Fine-tune the outward reach during initial fixture commissioning to find the exact 15 to 90 mm engagement point before locking the screw.
When sizing this 32 mm bore actuator, verify your force requirements against its neighbours.
Choose this -75B configuration if your fixture requires a male M10x1.25 rod end and frequent on-site stroke tuning across the 15 to 90 mm window. Remember that the fixed NBR bumper only decelerates the impact near the end of travel; it is not a brake. If your application must hold a vertical load during air loss or valve centering, add an external rod lock or pilot-operated check valve, as the adjuster screw acts purely as a mechanical stop and will not prevent drift.
Quick checklist
The theoretical maximum output is 82 kgf at 1.0 MPa.
Turning the R (M10x1.25) screw mechanically limits the extend stroke, shortening it by up to 75 mm from the 90 mm maximum down to 15 mm. The retract stroke remains full, and the mechanism does not alter the output force.
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