Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-50 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 SAIJ32AX275-50
The AirTAC SAIJ32X275-50 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 225-275 mm usable travel window, allowing you to dial back the 275 mm nominal stroke by up to 50 mm. In the 32 mm bore class, it delivers 402 N of push force and 345 N of pull force at 0.5 MPa, operating efficiently between 30-800 mm/s.
This unit uses a SUS420J2 stainless steel rod (option A) for superior corrosion resistance compared to standard carbon steel. It features PT tapered port threads (G1/8) and includes variable air cushions at both ends measuring 27 mm. The extruded aluminum barrel integrates dual-side sensor grooves, though this specific SKU omits the magnet, requiring a solid-state DMSE or reed CMSE switch to be added separately if position sensing is needed later.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-50 |
|---|---|
| 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 SAIJ32AX275-50
| 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 SAIJ32AX275-50 Is Used
Machine Changeover
Dial in the 225-275 mm travel window during product size changes without adding external stopper blocks to your frame.
End-Position Tuning
Fine-tune the retract stroke at commissioning using the 50 mm rear adjuster to perfect machine timing.
Assembly Station Setup
Set precise variable end-stops for delicate pressing or clamping tasks within the 32 mm bore force range.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-50 the Right Cylinder?
Choose this 32 mm bore adjustable model when your machine setup requires fine end-position tuning during commissioning or product changeover without swapping out the entire cylinder. If your application needs higher thrust, stepping up to the 50 mm bore yields 982 N of push force at 0.5 MPa, whereas dropping down is not an option below 32 mm in the SAIJ series. The rear adjuster acts strictly as a mechanical stop for deceleration and positioning, not a lock; a plain SAIJ will not hold a load without live air pressure, so for fail-safe load holding you should look to the SAIL or BSAI series. As a dimensionally interchangeable ISO 15552 cylinder, it matches standard SAI footprint dimensions and uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) while omitting FB, CA, CB, and CR brackets.
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 SAIJ32AX275-50 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 a maximum push force of 724 N at 0.9 MPa.
The rear adjuster screw lets you shorten the effective travel from the 275 mm nominal stroke down to a minimum of 225 mm. This creates a 50 mm adjustable window for fine-tuning the end position at commissioning without replacing the cylinder.
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