Airtac Adjustable Cylinder SAIJ32 SAIJ32AX25-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX25-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 25mm 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.
- BoreØ32 mm
- Stroke25 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX25-20
The AirTAC SAIJ32X25-20 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. With a 25 mm nominal stroke and a 20 mm adjustment range, it provides a usable travel window of 5 to 25 mm for precise end-position tuning. It delivers 402 N of push force at 0.5 MPa, utilizing a PT tapered port and a durable SUS420J2 stainless steel rod.
This adjustable model allows you to fine-tune the retract position at commissioning without swapping hardware or adding external stops. The rear screw acts purely as a travel stop and works alongside the variable air cushions at both ends, but it does not hold the load without live air pressure. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX25-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX25-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 25 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.
Theoretical Output Force (Ø32mm)
| 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.
Model Code: Airtac Adjustable Cylinder SAIJ32 SAIJ32AX25-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×25 | 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.
Where the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX25-20 Is Used
Precision End-Stop Tuning
Dial in the exact 5 to 25 mm retract position during machine commissioning to accommodate varying material thicknesses without external stopper blocks.
Product Changeover
Quickly adjust the stroke window on automated lines when switching between different product sizes, minimizing downtime and avoiding cylinder swaps.
Short-Stroke Clamping
Apply up to 402 N of clamping force at 0.5 MPa in compact assemblies where the exact touching distance must be tweaked on the fly.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX25-20 the Right Cylinder?
Choose this 32 mm bore when your application requires a very short travel distance that must be dialed in exactly on-site, replacing the need for fixed-stroke SAI cylinders. If you need slightly higher force, stepping up to the 40 mm bore yields 628 N of push at 0.5 MPa. For load-holding without continuous air pressure, this cylinder is insufficient as the adjuster is only a stop; consider the SAIL or BSAI series instead. Configuration: 32 mm bore, 25 mm stroke, 20 mm adjust, PT port, Basic/FA/LB/TC/FTC/TCM1/TCM2 mounts, no magnet.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX25-20 FAQ
At a 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It can reach a maximum push force of 724 N at 0.9 MPa.
The rear adjuster screw lets you shorten the effective travel from the nominal 25 mm down to 5 mm, creating a 5-25 mm usable window. It functions as a mechanical stop to set the exact end position and is not a lock.
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