Airtac SAIJ100 Adjustable Cylinder SAIJ100BX300-30
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX300-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 300mm 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
- Stroke300 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX300-30
The AirTAC SAIJ100X300-30 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 270 to 300 mm, letting you dial in the exact retract position during commissioning without adding external stops. Built with a SUS304 stainless steel rod and PT tapered ports, it delivers 3927 N of push force at 0.5 MPa.
This 100 mm bore actuator includes variable air cushions at both ends to manage kinetic energy, but the rear adjuster acts only as a travel stop, not a load lock. The extruded aluminum barrel incorporates sensor grooves on both sides for adding CMSE reed or DMSE electronic switches. Its mounting interface supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 brackets, deliberately omitting FB, CA, CB, and CR options.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX300-30 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX300-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 300 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 SAIJ100BX300-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×300 | 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 SAIJ100BX300-30 Is Used
Product Changeovers
Dial in the retract position by up to 30 mm during machine setup to accommodate different product lengths without swapping actuators.
Variable End Stops
Fine-tune the end-of-stroke position during commissioning to perfect pressing depths or alignment stops on heavy assembly tooling.
Heavy Forming Lines
Leverage the 3927 N push force at 0.5 MPa for robust pressing operations while relying on the adjustable window for part variations.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX300-30 the Right Cylinder?
Choose this 100 mm bore when an application requires heavy thrust but demands precise end-position tuning on the fly. If you need slightly less force, stepping down to an 80 mm bore yields 2513 N of push force at 0.5 MPa; stepping up to a 125 mm bore provides 6133 N. The 30 mm adjustment window is ideal for product changeovers on a line, whereas a fixed-stroke SAI cylinder locks you into one exact dimension.
Because the 300 mm stroke creates a long lever arm on the 25 mm rod, an external guide is recommended to prevent side-loading damage. For any load-holding requirements without live air pressure, note that this plain SAIJ cylinder cannot hold its position; you must integrate an external rod lock or pilot-operated check valve, or select an AirTAC SAIL or BSAI series cylinder. To match this ISO 15552 interchangeable unit, specify a 100 mm bore, 300 mm stroke, 30 mm adjustment, PT ports, and standard mounting hardware.
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 SAIJ100BX300-30 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. It can reach up to 7068 N of push force at 0.9 MPa.
A rear adjusting screw acts as a mechanical stopper, allowing you to shorten the effective stroke within a 270 to 300 mm window. It sets the travel end position but does not lock or hold the load without continuous air pressure.
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