Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-30
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-30 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 SAIJ32BX275-30
The AirTAC SAIJ32X275-30 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 275mm travel by up to 30mm. This creates a precise 245-275mm usable stroke window, enabling fine end-position tuning at commissioning without swapping hardware or adding external stops. It delivers 402N of push force at 0.5 MPa and features a SUS304 stainless steel rod for superior corrosion resistance.
This model uses a PT tapered port thread (G1/8) and includes adjustable air cushions at both ends to manage deceleration. The extruded aluminum barrel integrates sensor grooves on both sides for standard switches. Remember that the rear adjuster acts only as a travel stop and does not hold the load without live air pressure; for true load-holding, consider the SAIL or BSAI series.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-30 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-30 |
|---|---|
| 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 SAIJ32BX275-30
| 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 SAIJ32BX275-30 Is Used
Machine Changeover
Quickly fine-tune the 245-275mm travel window during product size changes on a packaging line without replacing the cylinder.
Variable End Stops
Set precise retract positions for light-duty assembly tasks using the 30mm rear adjustment screw instead of external stopper blocks.
Alignment Calibration
Dial in the exact end-of-stroke position during commissioning to align a 402N push action with a delicate workpiece.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-30 the Right Cylinder?
Choose this 32mm bore cylinder when your application requires 402N of push force at 0.5 MPa (or 724N at 0.9 MPa) and you need to trim the end position by up to 30mm. If your force requirements are lower and you need a smaller footprint, step down to a 25mm bore; if you need significantly more thrust, step up to a 40mm bore which provides 628N at 0.5 MPa. The adjustable stroke is ideal for machine setups requiring variable end-stops during product changeovers. For drop-in ISO 15552 interchangeability, match the 32mm bore, 275mm stroke, 30mm adjustment, PT port, Basic/FA/LB/TC/FTC/TCM1/TCM2 mounting, and non-magnet configuration. Because the stroke is 275mm, ensure adequate external guidance to prevent excessive side-loading on the rod.
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 SAIJ32BX275-30 FAQ
At 0.5 MPa it provides 402N of push force and 345N of pull force. At 0.9 MPa, the push force increases to 724N. The operational speed range is 30-800 mm/s.
The rear adjuster screw lets you shorten the effective travel from the nominal 275mm down to 245mm, giving a 245-275mm window. It acts as a mechanical stop to fine-tune the end position, but it is not a lock and will not hold the load without live air pressure.
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