
The AirTAC Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ100X100-75SB is a genuine double-acting COMPACT cylinder (Ø100mm bore) whose extend end-position is set by an external M27×2.0 adjustment screw. You can dial the stroke anywhere from 25 to 100 mm on the machine — no shims, no part change.
The SDAJ100X100-75SB is a double-acting compact cylinder featuring a 100 mm bore and an external R (M27x2.0) adjuster screw. Turning this screw lets you dial the extend stop anywhere between 25 and 100 mm directly on your equipment, eliminating the need for shims or part changes during setup. Because the mechanism sets the mechanical stop rather than altering the piston area, output force remains identical to a standard SDA of this size, delivering about 3927 N of push at 0.5 MPa.
This model includes a built-in piston magnet (-S) for AirTAC reed or electronic switches, alongside a male-thread piston rod (-B, M26x1.5). The short riveted body saves valuable axial mounting depth where larger profile cylinders cannot fit. End-of-stroke energy is managed by a fixed NBR bumper that decelerates the piston, which is not an adjustable air cushion.
| Model | Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ100X100-75SB |
|---|---|
| Series | SDAJ compact adjustable-stroke cylinder |
| Bore size | Ø100 mm |
| Max stroke | 100 mm |
| Adjustable range | 25 – 100 mm |
| Adjuster thread (R) | M27×2.0 |
| Port size | PT3/8 |
| Acting type | Double acting |
|---|---|
| Rod end thread | M18×1.5 F / M26×1.5 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. Force is unchanged from a standard SDA of the same bore. Specifications follow the official AirTAC SDAJ datasheet.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3525 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
Force matches a standard SDA of the same bore; the adjuster only sets the stop position, not the area. Actual usable force is lower than theoretical due to friction.
| SDAJ | Compact double-acting cylinder with adjustable stroke. |
|---|---|
| 100 | Bore size in mm. |
| ×100 | 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).
Dial the 25 to 100 mm extend stop to set precise contact depth for heavy press operations, leveraging the 3927 N push at 0.5 MPa without swapping mechanical spacers.
Adjust the male M26x1.5 rod extension on the fly during product changeovers, ensuring the 100 mm bore delivers exact positioning for varied component heights.
Handle vertical lifts up to 200.2 kg with a 2:1 margin, using the M27x2.0 adjuster screw to set the exact raise height while relying on external checks for load holding.
When sizing this 100 mm bore actuator, evaluate both neighbors: dropping down to an SDAJ80 yields 2513.3 N of push at 0.5 MPa, while this 100 mm unit provides 3927 N. This yields a safe working load of roughly 2356 N, or a vertical lift capacity of about 200.2 kg with a 2:1 safety margin. Choose the 100 mm bore if the smaller variant lacks thrust for your tooling. Confirm your required extend window falls within the 25 to 100 mm range, the PT3/8 air port matches your supply, and that the male M26x1.5 rod end suits your mounting hardware.
On-machine stroke tuning is ideal for lines with frequent format changeovers or trial positioning. Remember that a plain compact cylinder does not hold position if air pressure drops or the valve is centered—the piston will drift. For load holding without live pressure, integrate an external rod lock or a pilot-operated check valve. Operating speed spans 30 to 500 mm/s across the entire range.
Quick checklist
This 100 mm bore double-acting cylinder provides 3927 N push and 3524.9 N pull at 0.5 MPa, 5497.8 N push and 4934.8 N pull at 0.7 MPa, and a theoretical maximum of 801 kgf at 1.0 MPa.
The R (M27x2.0) screw mechanically shortens the extend stroke by up to 75 mm, yielding a usable 25 to 100 mm range without altering force. The included -S magnet works with AirTAC reed or electronic switches for position sensing.
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