Airtac SAIJ100 Adjustable Cylinder SAIJ100X325-10S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X325-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 325mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ100 mm
- Stroke325 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100X325-10S
The AirTAC SAIJ100X325-10-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the end-of-travel position. With a 325 mm nominal stroke and a 10 mm adjustment range, it provides a usable travel window of 315 to 325 mm. Equipped with a standard carbon steel rod and a magnet for position sensing, it accepts CMSE reed and DMSE electronic sensors along the dual-side barrel grooves.
In the 100 mm bore class, this cylinder generates a substantial 3927 N of push force and 3681 N of pull force at 0.5 MPa. The rear adjuster acts purely as a mechanical stop to dial in the exact retract distance during commissioning; it does not lock or hold the load without live air pressure. For load-holding requirements, external pilot-operated check valves or related AirTAC lock models like SAIL or BSAI are required.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X325-10S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X325-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 325 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M20×1.5 |
| 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, 36 mm |
| Max stroke | Up to 1500 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ100 Adjustable Cylinder SAIJ100X325-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×325 | 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 SAIJ100 Adjustable Cylinder SAIJ100X325-10S Is Used
Machine Commissioning
Dial in the exact 315 to 325 mm retract stop during initial setup without adding external physical stops to the machine frame.
Product Changeover
Quickly adjust the end position by up to 10 mm when switching product sizes on a packaging line, minimizing downtime.
Heavy Forming Operations
Leverage the 3927 N push force at 0.5 MPa for high-load press operations while maintaining precise end-stop control.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X325-10S the Right Cylinder?
Selecting this 100 mm bore over a smaller 80 mm neighbor jumps your 0.5 MPa push thrust from 2513 N to 3927 N, providing the muscle needed for heavier actuators. An adjustable stroke is chosen over a fixed SAI cylinder when a machine requires precise end-position tuning during setup or product changeover, allowing up to 10 mm of retraction adjustment without swapping hardware.
Because this unit features a 325 mm stroke, the 25 mm diameter carbon steel rod and M20x1.5 thread can handle moderate side loads, but an external guide is recommended to prevent rod binding over long unsupported travels. As an ISO 15552 profile cylinder, it is dimensionally interchangeable with other ISO 15552 cylinders, utilizing a PT G1/2 port and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2).
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 SAIJ100 Adjustable Cylinder SAIJ100X325-10S FAQ
At a 0.5 MPa operating pressure, this 100 mm bore cylinder provides 3927 N of push force and 3681 N of pull force. At 0.9 MPa, the push force increases to 7068 N.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the 325 mm nominal stroke by up to 10 mm, creating a 315 to 325 mm travel window. It only sets the end position and does not hold the load without live air pressure.
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