
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX170-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 170mm stroke, G1/8 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 SAIJ32X170-30 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to shorten the effective travel without swapping out the unit. With a nominal 170 mm stroke and a 30 mm adjustment range, this model provides a usable travel window of 140 to 170 mm for precise end-position tuning at commissioning. It delivers 402 N of push force and 345 N of pull force at 0.5 MPa operating pressure.
This specific configuration includes a SUS304 stainless steel rod (option B) for superior corrosion resistance, paired with PT tapered port threading on its G1/8 supply ports. The extruded aluminum barrel features sensor grooves on both sides, allowing you to mount position feedback hardware if needed, while the adjustable end-stop acts purely as a travel limiter rather than a load-holding lock.
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX170-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 170 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| 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, 27 mm |
| Max stroke | Up to 1000 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 | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 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. |
|---|---|
| 32 | Bore size in mm. |
| ×170 | 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 retract distance within the 140-170 mm window during machine commissioning to perfect product handling without physical spacers.
Quickly adapt the stroke end-stop on packaging lines when running different product sizes, minimizing downtime between batches.
Fine-tune the clamping travel on machining fixtures, ensuring the 402 N thrust is applied at the exact required position every cycle.
Choose this 32 mm bore when your application requires 402 N of push force at 0.5 MPa; if you need less force, dropping down to a smaller bore is ideal, or stepping up to a 40 mm bore yields 628 N. An adjustable stroke is highly beneficial over a fixed SAI model when you need to dial in the exact end-of-stroke position during machine setup or product changeover without adding external stops. Note that the rear adjuster only sets the travel end and does not hold the load without live air pressure—consider the SAIL or BSAI series if true load-holding is required.
Since this unit has a 170 mm stroke, it is under the 300 mm threshold where external side-load guides typically become mandatory, but the 12 mm rod diameter still requires reasonable alignment. For a direct ISO 15552 replacement, match the 32 mm bore, 170 mm stroke, 30 mm adjustment, PT ports, Basic/FA/LB/TC/FTC/TCM1/TCM2 mounting options, and standard non-magnet piston.
Quick checklist
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 82 kgf.
The rear adjuster screw acts as a mechanical stop that lets you shorten the 170 mm nominal stroke by up to 30 mm, providing a usable travel window of 140 to 170 mm. It only limits the travel end and does not lock or hold the load without continuous air pressure.
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