Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-30S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-30S 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 SAIJ32AX275-30S
The AirTAC SAIJ32X275-30-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 245-275 mm, allowing you to dial back the 275 mm nominal stroke by up to 30 mm during commissioning. In the 32 mm bore class, it delivers 402 N of push force and 345 N of pull force at 0.5 MPa.
This variant uses a SUS420J2 stainless steel rod for improved corrosion resistance and includes a magnet for CMSE reed and DMSE electronic sensors. It features PT tapered ports and variable air cushions at both ends. The rear adjuster acts purely as a travel stop for end-position tuning; it does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-30S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-30S |
|---|---|
| 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 SAIJ32AX275-30S
| 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 SAIJ32AX275-30S Is Used
Machine Setup Calibration
Fine-tune the 245-275 mm travel window during commissioning to perfectly dial in end-of-stroke positions without installing external physical stops.
Product Changeover Lines
Quickly adjust the retract stop on packaging conveyors when handling different product sizes, using the 30 mm rear screw to adapt the motion profile.
Light-Duty Positioning
Leverage the 402 N push force and SUS420J2 rod to execute precise, repeatable stops for small component handling in machining environments.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-30S the Right Cylinder?
Choose this 32 mm bore model when an application requires 402 N of push force at 0.5 MPa but might need slight end-position tweaks without swapping cylinders. If your process demands higher thrust, stepping up to the 40 mm bore yields 628 N. The adjustable stroke is ideal for machine setups requiring variable end stops, whereas a fixed SAI cylinder is preferred for rigid, unchanging travel limits. Since this cylinder has a 275 mm stroke, an external guide is recommended to prevent excessive side-load on the 12 mm rod.
For ISO 15552 replacement matching, specify a 32 mm bore, 275 mm stroke, 30 mm adjustment range, PT port threads, and the -S magnet option. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR options. For load-holding without live air, consider the SAIL or BSAI series instead.
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 SAIJ32AX275-30S FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 82 kgf.
The rear adjuster screw allows you to shorten the effective travel from the 275 mm nominal stroke down to 245 mm. This stopper mechanically limits the retract position for fine-tuning but does not lock or hold the load without continuous air pressure.
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