Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-100
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-100 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 SAIJ32AX275-100
The AirTAC SAIJ32X275-100 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers 402N of push force and 345N of pull force at 0.5 MPa, featuring a 12mm SUS420J2 stainless steel piston rod. With a nominal 275mm stroke and a 100mm adjustment range, it provides a usable travel window of 175-275mm, allowing you to dial in the exact retract end-position during commissioning without swapping the cylinder.
The rear adjuster acts purely as a mechanical stop to fine-tune the travel end and works in tandem with the variable air cushions at both ends; it is not a lock and will not hold a load without live air. This extruded aluminum profile barrel includes sensor grooves on both sides for CMSE reed or DMSE electronic switches (requires a magnet, not specified here). It uses a PT tapered G1/8 port and supports a speed range of 30-800 mm/s.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-100 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-100 |
|---|---|
| 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 SAIJ32AX275-100
| 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 SAIJ32AX275-100 Is Used
Machine Changeover
Quickly fine-tune the retract distance within the 175-275mm window when switching between product sizes on a packaging line.
Variable End Stops
Set exact end-of-stroke positions during commissioning without machining external stopper blocks.
Assembly Calibration
Dial in the precise 402N push force contact point for delicate component seating operations.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-100 the Right Cylinder?
Choose this 32mm bore adjustable-stroke cylinder when your machine requires precise end-position tuning over a wide 175-275mm window, avoiding the need to bolt on external stops or maintain multiple fixed-stroke SAI cylinders for product changeovers. If your application requires higher force, stepping up to the 40mm bore yields 628N of push force at 0.5 MPa. Conversely, if you need less force in a smaller footprint, the 32mm bore is the optimal baseline.
Because the 275mm stroke is relatively long for a 32mm bore, the 12mm rod and M10x1.25 thread can carry some side load, but an external guide is recommended to prevent rod binding. For load-holding without continuous air pressure, pair this cylinder with an external rod lock or pilot-operated check valve, or select the SAIL or BSAI series instead. To replace an ISO 15552 cylinder, match the 32mm bore, 275mm stroke, 100mm adjustment, PT G1/8 port, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2 — omitting FB, CA, CB, CR).
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 SAIJ32AX275-100 FAQ
It features a rear adjusting screw that allows you to mechanically shorten the effective stroke by up to 100mm. This creates a usable travel window of 175-275mm, letting you fine-tune the retract end-position at commissioning. The adjuster functions as a travel stop, not a lock, so it cannot hold a load without live air pressure.
At 0.5 MPa, the 32mm bore provides 402N of push force and 345N of pull force. At 0.7 MPa, the push force increases to 563N. The operational speed range is 30-800 mm/s.
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