Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-75S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 275mm 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
- Stroke275 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-75S
The AirTAC SAIJ32X275-75-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers 402N of push force at 0.5 MPa and features a 275mm nominal stroke that can be fine-tuned backward by up to 75mm, yielding a usable travel window of 200-275mm. This built-in adjustability allows precise end-position tuning during commissioning without swapping the cylinder.
This model includes a magnet (-S) for CMSE reed and DMSE electronic sensors, utilizing the dual sensor grooves on its extruded aluminum barrel. It uses a SUS420J2 stainless steel rod (code A) for improved corrosion resistance and features PT tapered port threads with a G1/8 connection. The rear screw acts purely as a travel stop for deceleration, not a lock, so live air is required to hold the load.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-75S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 275 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 SAIJ32AX275-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×275 | 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 SAIJ32AX275-75S Is Used
Product Changeovers
Dial in the 200-275mm travel window on the fly during packaging line format changes without bolting on external stoppers.
End-Position Trimming
Fine-tune the retract end-point during machine commissioning to achieve exact positioning without replacing the cylinder.
Variable Stroke Diverter
Adjust the stroke length dynamically to accommodate different package sizes on a single sorting conveyor line.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-75S the Right Cylinder?
Choose this 32mm bore when an application requires 402N push force at 0.5 MPa but demands variable end-stops for product changeovers. If your setup requires less force, stepping down is not an option in this series, but stepping up to a 40mm bore yields 628N. The adjustable 200-275mm window prevents the need to stock multiple fixed-stroke SAI cylinders for slightly different jobs.
Because this stroke is 275mm, the 12mm rod should be externally guided to prevent excessive side-loading and premature seal wear. For dimensionally interchangeable per ISO 15552 replacement matching, specify the 32mm bore, 275mm stroke, 75mm adjustment, PT G1/8 port, and -S magnet. Note that SAIJ omits the FB, CA, CB, and CR mounting options, offering only Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ32AX275-75S FAQ
The rear adjuster screw allows you to shorten the effective travel by up to 75mm, creating a usable stroke window of 200-275mm. This stopper sets the travel end and works with the air cushion for deceleration, but it does not lock or hold the load without live air pressure.
At 0.5 MPa, it provides 402N of push force and 345N of pull force. At 0.7 MPa, the push force increases to 563N. The maximum push force is 82 kgf at 1.0 MPa.
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Covers non-human-caused product damage.
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Standard models usually ship in 3-4 days.
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