Airtac Adjustable Cylinder SAIJ32 SAIJ32X105-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32X105-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 105mm 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
- Stroke105 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32X105-20
The AirTAC SAIJ32X105-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel window from 85 to 105 mm. Delivering 563 N of push force at 0.7 MPa, it bridges the gap between compact actuators and high-thrust units. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic switches.
This adjustable-stroke variant omits the FB, CA, CB, and CR mounts found on fixed-stroke variants, retaining a focused set of interfaces (Basic, FA, LB, TC, FTC, TCM1, TCM2) for straightforward machine integration. The rear stopper screw acts purely as a travel end-position setter and does not lock or hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32X105-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32X105-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 105 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 SAIJ32X105-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×105 | 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 SAIJ32X105-20 Is Used
Machine Changeover
Dial in the 85-105 mm travel window during product size transitions on a packaging line without physically replacing the cylinder or adding external stopper blocks.
Component Seating
Precisely set the retract end-position to ensure delicate parts are seated properly without slamming, using the rear screw to absorb final impact alongside the air cushion.
Fixture Alignment
Fine-tune the clamping distance on machining fixtures, allowing operators to adjust the 105 mm nominal stroke by up to 20 mm to accommodate varying raw material thicknesses.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32X105-20 the Right Cylinder?
Choose this 32 mm bore when an application requires precise end-position tuning during commissioning or product changeover without swapping the physical actuator. If your process needs less force, stepping down is an option, but stepping up to the 40 mm bore yields 879 N of push at 0.7 MPa for heavier dynamics. Because the nominal stroke is 105 mm, you avoid the side-load risks of long unsupported rods, though external guides are always recommended for lateral loads.
To match this ISO 15552 replacement, specify: 32 mm bore, 105 mm stroke, 20 mm adjustment range, PT tapered port threads, carbon steel rod, and no magnet (-S omitted). For any load-holding requirements without continuous air pressure, select a SAIL pneumatic lock or BSAI clamp-lock cylinder instead of relying on the rear adjuster.
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 SAIJ32X105-20 FAQ
At a standard operating pressure of 0.7 MPa, this 32 mm bore double-acting cylinder provides 563 N of push force and 506 N of pull force. It can reach up to 801 N of push force at its maximum rated pressure of 1.0 MPa.
The rear adjuster screw acts as a mechanical stop that lets you shorten the 105 mm nominal stroke by up to 20 mm, creating an effective 85-105 mm travel window. It is a travel stop for end-position tuning, not a lock, and it cannot hold a load without continuous air pressure.
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