The AirTAC Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ100X150-50S 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 100 to 150 mm on the machine — no shims, no part change.
The AirTAC SDAJ100X150-50S is a double-acting compact cylinder featuring an external adjustable extend stop. A M27x2.0 adjuster screw lets you dial the outward stroke anywhere between 100 and 150 mm directly on the machine, eliminating the need for shims or part swaps during setup. Because the adjuster sets the mechanical stop rather than the piston area, output force remains identical to a standard SDA of this bore, providing 3927 N of push at 0.5 MPa.
This 100 mm bore unit uses a 32 mm rod and a PT3/8 air port. Its short riveted body saves axial mounting depth where a round-body or profile cylinder will not fit. The unit relies on a fixed NBR bumper to decelerate the stroke end, which is not an adjustable air cushion. A 150 mm stroke exceeds the 130 mm standard maximum for this bore, making it a non-standard, made-to-order configuration. The -S option includes a built-in piston magnet for AirTAC reed or electronic switches.
| Model | Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ100X150-50S |
|---|---|
| Series | SDAJ compact adjustable-stroke cylinder |
| Bore size | Ø100 mm |
| Max stroke | 150 mm |
| Adjustable range | 100 – 150 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 50 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. |
| ×150 | Maximum stroke length in mm. |
| -50 | 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 100 to 150 mm to set precise contact depth on heavy pressing tasks without swapping mechanical spacers.
Adapt a 100 mm bore actuator to varying product heights on a machining line by turning the M27x2.0 screw between production runs.
Lift loads up to roughly 200.2 kg with a 2:1 safety margin and fine-tune the exact raise height using the external adjuster.
When sizing this actuator, compare its 3927 N push at 0.5 MPa against adjacent bores. Stepping down to an SDAJ80 yields 2513.3 N, while stepping up to a larger frame increases force further. This model suits applications requiring on-site stroke tuning during frequent changeovers. Based on the 0.5 MPa figure, the safe working load is roughly 2356 N (about 60 percent of capacity), translating to a vertical lift of approximately 200.2 kg with a 2:1 margin.
A plain SDAJ does not hold position or load when air is lost or the valve is centred; the piston drifts and the fixed bumper only decelerates near the end of travel. For load holding without live pressure, install an external rod lock or a pilot-operated check valve. Confirm your bore, 150 mm maximum stroke, 50 mm window, PT3/8 port, female M18x1.5 rod thread, and the -S magnet before ordering.
Quick checklist
This 100 mm bore double-acting cylinder delivers 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, with a theoretical maximum of 801 kgf at 1.0 MPa.
The M27x2.0 screw shortens the extend stop by up to 50 mm, giving a usable range of 100 to 150 mm; retract remains full. The -S option provides a built-in piston magnet compatible with AirTAC reed or electronic switches.
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