
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X175-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 175mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
The AirTAC SAIJ80X175-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel down to 165 mm from the 175 mm nominal length. Equipped with a 25 mm carbon steel piston rod and a G3/8 port, it delivers a robust 4523 N of push force at 0.9 MPa. This makes it well-suited for medium-to-heavy handling tasks where exact end-positioning is critical.
Instead of relying on external stops, the integrated rear adjusting screw lets you dial in the retract position during commissioning. The cylinder features standard variable air cushions at both ends to decelerate the load, but note that the adjuster acts purely as a travel stop and does not mechanically hold the load without live air pressure.
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X175-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 175 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| 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 | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
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. |
|---|---|
| 80 | Bore size in mm. |
| ×175 | 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.
Dial in the exact 165-175 mm retract position during machine commissioning without machining external stop blocks.
Quickly adjust the travel end-stop on a packaging line when switching to a different carton size.
Set precise lower bounds for medium-force pressing or clamping operations using the 4523 N output.
Choose this 80 mm bore when your application requires more force than a 63 mm cylinder (which provides 2805 N push at 0.9 MPa) but you do not need the full 7068 N output of a 100 mm unit. The 10 mm adjustable window is ideal for product changeovers on a line, allowing you to reposition the retract end-stop without swapping out the entire cylinder or adding shims.
For an exact ISO 15552 replacement, match the 80 mm bore, 175 mm stroke, 10 mm adjustment range, G3/8 PT port, and your required mounting accessory. SAIJ supports a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR). Because the 25 mm rod thread handles side loads well, it is robust, but always ensure external guiding is used for heavy radial loads. If you need position holding without air pressure, consider the SAIL or BSAI series instead.
Quick checklist
At an operating pressure of 0.9 MPa, this 80 mm bore cylinder generates 4523 N of push force and 4071 N of pull force. It can deliver a maximum of 513 kgf at 1.0 MPa.
The rear adjusting screw acts as a mechanical stopper that lets you shorten the effective stroke by up to 10 mm, providing a usable travel window of 165 to 175 mm. It sets the end position but does not lock or hold the load without continuous air pressure.
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