
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX1000-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 1000mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
The AirTAC SAIJ100X1000-75 is a double-acting ISO 15552 profile cylinder engineered with a rear stroke adjuster, allowing you to dial back the effective travel to establish a precise 925-1000 mm operating window. The extruded aluminum barrel features sensor grooves on both sides, and this specific configuration utilizes a SUS420J2 stainless steel rod for enhanced corrosion resistance.
This model uses a PT tapered G1/2 port and achieves end-of-stroke deceleration through variable air cushions at both ends. The rear adjuster functions strictly as a mechanical stop to fine-tune the retract position without needing external stops; it does not lock the load, so live air is required to hold position. For applications needing secure load-holding without air pressure, consider the SAIL or BSAI series.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX1000-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 1000 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M20×1.5 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 36 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3682 N | 3682 N |
| 0.7 MPa | 5154 N | — |
| Max (@1.0 MPa) | 751 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×1000 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Fine-tune the retract end-stop on 1000 mm strokes during initial commissioning, saving machining time by dialing in the exact 925-1000 mm travel limit on-site.
Adapt automated lines to different package lengths quickly by adjusting the rear stopper up to 75 mm, avoiding the need to physically swap out long pneumatic cylinders.
Choose this 100 mm bore when a 63 mm cylinder (providing 2182 N at 0.5 MPa) lacks the thrust for your tooling, but a 125 mm bore is physically too large. The 75 mm adjustment range is particularly valuable for long-stroke setups, enabling exact end-position calibration during commissioning or product changeovers without swapping the cylinder. Because the stroke is 1000 mm, an external guide is strongly recommended to prevent excessive side-loading on the rod.
When specifying a replacement, verify the bore, 1000 mm stroke, 75 mm adjustment, PT G1/2 port, and mounting style. SAIJ supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, intentionally omitting FB, CA, CB, and CR. This unit lacks a magnet; adding the -S suffix enables CMSE reed and DMSE electronic sensor compatibility.
Quick checklist
It reaches a maximum thrust of 801 kgf at 1.0 MPa.
The rear adjuster acts as a mechanical stop that shortens the nominal 1000 mm stroke, creating a usable travel window between 925 and 1000 mm. It sets the end position but does not lock the load without live air pressure.
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