Airtac SAIJ100 Adjustable Cylinder SAIJ100X250-10S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X250-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 250mm 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
- Stroke250 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100X250-10S
The AirTAC SAIJ100X250-10-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 240-250 mm usable travel window, allowing you to fine-tune the retract end position by up to 10 mm during commissioning without adding external stops. Equipped with a magnet, it integrates seamlessly with AirTAC CMSE reed and DMSE electronic sensors mounted in the dual-side barrel grooves.
Delivering 3927 N of push force at 0.5 MPa, this 100 mm bore unit uses a robust M20x1.5 rod thread and a G1/2 port. The extruded aluminum barrel design maintains standard ISO 15552 mounting dimensions while incorporating adjustable air cushions at both ends to decelerate the load smoothly.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X250-10S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X250-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 250 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 SAIJ100X250-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×250 | 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 SAIJ100X250-10S Is Used
End-Position Tuning
Dial in the exact 240-250 mm retract position during machine setup to perfect seating forces without swapping out the physical cylinder.
Product Changeover
Quickly adapt the stroke end-stop on packaging lines when running different product sizes, minimizing downtime between production batches.
Machining Fixtures
Precisely set the clamping distance on large machining fixtures, using the 3927 N push force to secure heavy workpieces reliably.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X250-10S the Right Cylinder?
Choose this adjustable-stroke model over a fixed SAI cylinder when your application requires precise end-position tuning or frequent product changeovers that alter the required stroke length. If you need less force, stepping down to an 80 mm bore yields 2513 N at 0.5 MPa; if your machine demands higher thrust, moving to a 125 mm bore provides 6136 N.
Remember that the rear adjuster acts only as a travel stop and does not hold the load without live air pressure. For true load-holding without continuous air, consider the SAIL or BSAI series. To match this exact unit, specify a 100 mm bore, 250 mm nominal stroke, 10 mm adjustment, PT tapered port thread, carbon steel rod, and the -S magnet option.
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 SAIJ100X250-10S FAQ
At 0.5 MPa operating pressure, this 100 mm bore cylinder generates 3927 N of push force and 3681 N of pull force. It can achieve a maximum push force of 7068 N at 0.9 MPa.
The rear adjusting screw acts as a mechanical stopper, allowing you to shorten the 250 mm nominal stroke by up to 10 mm. This creates a 240-250 mm adjustable travel window for fine-tuning end positions at commissioning.
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Standard models usually ship in 3-4 days.
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