Airtac SAIJ100 Adjustable Cylinder SAIJ100X260-40S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X260-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 260mm 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
- Stroke260 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100X260-40S
The AirTAC SAIJ100X260-40-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers a robust 3927 N of push force at 0.5 MPa, utilizing a 25 mm carbon steel rod and a G1/2 PT port. By integrating an external stopper at the rear, this unit provides a usable travel window of 220 to 260 mm, enabling precise end-position tuning without swapping out the entire actuator.
Because this configuration includes a magnet (-S), it supports AirTAC CMSE reed and DMSE electronic solid-state sensors housed within the dual-side sensor grooves on the extruded aluminum barrel. The rear adjuster functions strictly as a travel stop for commissioning flexibility, meaning it does not lock or hold the load without continuous live air pressure. For applications requiring true load-holding, consider the SAIL or BSAI variants.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X260-40S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X260-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 260 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 SAIJ100X260-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×260 | 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 SAIJ100X260-40S Is Used
Product Changeovers
Dial in the 220 to 260 mm retract distance instantly during packaging line format changes without replacing hardware.
Machine Setup
Fine-tune the end-of-stroke position during commissioning to perfectly seat heavy 3927 N assemblies.
Variable End Stops
Adjust the rear stopper to accommodate multiple part sizes on the same fixture, maximizing line flexibility.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X260-40S the Right Cylinder?
Selecting this 100 mm bore actuator makes sense when your application requires the 3927 N push force at 0.5 MPa and on-the-fly stroke trimming. If your process demands less force, stepping down to an 80 mm bore yields 2513 N push force at 0.5 MPa. The adjustable 220 to 260 mm window is ideal for product changeovers, allowing you to dial in the retract end-position precisely. Unlike a fixed-stroke SAI cylinder, this model eliminates the need to bolt on external stops during setup.
When replacing an ISO 15552 cylinder, match the 100 mm bore, 260 mm nominal stroke, 40 mm adjustment range, G1/2 PT port, and the -S magnet requirement. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR. Since the 260 mm stroke creates a lever arm, the 25 mm rod handles side loads well, but an external guide is still recommended for unsupported loads. Note that the rear screw stopper and air cushions decelerate the load but do not function as a brake.
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 SAIJ100X260-40S FAQ
At 0.5 MPa operating pressure, this 100 mm bore cylinder provides 3927 N of push force and 3681 N of pull force. At 0.7 MPa, the push force increases to 5497 N.
The rear adjuster allows you to shorten the effective stroke by up to 40 mm, creating a usable travel window of 220 to 260 mm. This stopper sets the travel end and must not be used to hold a load without live air.
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