Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-30S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-30S 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 SAIJ32BX275-30S
The AirTAC SAIJ32X275-30-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 245 to 275 mm usable travel window, allowing you to dial in the exact retract position without adding external stops. It delivers 402 N of push force at 0.5 MPa and includes a SUS304 stainless steel rod for superior corrosion resistance.
Equipped with a magnet for position sensing, this unit works seamlessly with CMSE reed and DMSE electronic solid-state switches. The extruded aluminum barrel includes sensor grooves on both sides, and the standard PT G1/8 porting keeps integration simple. The rear adjuster acts purely as a travel stop, so it will not hold a load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-30S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-30S |
|---|---|
| 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 SAIJ32BX275-30S
| 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 SAIJ32BX275-30S Is Used
Machine Changeovers
Fine-tune the 245-275 mm retract position during product size changes without physically replacing the cylinder.
End-Stop Calibration
Dial in the exact end-of-stroke location at commissioning to perfect part seating or clamping forces.
Variable Position Diverters
Adjust the travel distance on the fly to handle varying package sizes moving down a production line.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-30S the Right Cylinder?
Choose this 32 mm bore when your application requires up to 402 N of push force at 0.5 MPa. If your process needs less than 345 N of pull force, stepping down is advised, whereas heavier payloads call for a 40 mm bore. The adjustable stroke is perfect for machine changeovers, letting you fine-tune the retract end point rather than swapping a fixed-stroke SAI cylinder.
For load-holding without continuous air pressure, select a SAIL or BSAI cylinder instead, as the SAIJ adjuster is only a stop. This SAIJ32X275-30-S is dimensionally interchangeable per ISO 15552 and uses the reduced SAIJ mounting set: Basic, FA, LB, TC, FTC, TCM1, and TCM2. Given the 275 mm stroke, ensure an external guide supports the rod to prevent excessive side loading.
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 SAIJ32BX275-30S FAQ
At 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 up to 724 N of push force at 0.9 MPa.
The rear adjuster acts as a mechanical stop that lets you shorten the 275 mm nominal stroke by up to 30 mm, creating a 245-275 mm usable travel window. It is a travel stop only, not a lock, and will not hold a load without live air pressure.
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