Airtac SAIJ100 Adjustable Cylinder SAIJ100BX140-10S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX140-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 140mm 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
- Stroke140 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX140-10S
The AirTAC SAIJ100X140-10-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the retract end-position by up to 10 mm. This yields a usable travel window of 130-140 mm, letting you dial in the exact end-stop during commissioning without adding external stops. It delivers a robust 3927 N push force at 0.5 MPa, making it highly suitable for heavy-duty positioning tasks.
This variant is built with a SUS304 stainless steel rod (code B) for superior corrosion resistance and includes a magnet (-S) for use with AirTAC CMSE reed and DMSE electronic sensors. The extruded aluminum barrel features sensor grooves on both sides, and the G1/2 port handles the required air volume. It supports the standard SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting FB, CA, CB, and CR options.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX140-10S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX140-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 140 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 SAIJ100BX140-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×140 | 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 SAIJ100BX140-10S Is Used
Machine Setup & Changeover
Dial in the exact retract position within the 130-140 mm window during product size changeovers without swapping the cylinder.
Variable End-Stop Tuning
Fine-tune the end-of-stroke position during commissioning using the rear adjuster screw, eliminating the need for external mechanical stops.
Heavy-Duty Positioning
Leverage the 3927 N push force at 0.5 MPa to move heavy jigs or tooling plates into precise working positions reliably.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX140-10S the Right Cylinder?
Choose this 100 mm bore when your application requires higher force than a neighbouring 80 mm cylinder (which provides 2513 N push at 0.5 MPa), but without stepping up to the 125 mm size. The adjustable stroke is ideal for machine setups requiring variable end-stops or product changeovers, whereas a fixed-stroke SAI cylinder is better for rigid, unchanging travel limits.
When replacing an ISO 15552 cylinder, match the 100 mm bore, 140 mm stroke, 10 mm adjustment range, G1/2 port, PT thread, and the -S magnet. Note that the rear adjuster acts only as a travel stop to aid deceleration; it does not hold the load without live air. For load-holding without pressure, consider the SAIL or BSAI series. At 140 mm stroke, side-load is minimal, but long unsupported strokes still require an external guide.
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 SAIJ100BX140-10S FAQ
At 0.5 MPa operating pressure, this 100 mm bore cylinder delivers 3927 N of push force and 3681 N of pull force. At the maximum 1.0 MPa, it can generate up to 801 kgf.
The rear adjusting screw acts as a stopper that lets you shorten the nominal 140 mm stroke by up to 10 mm, providing a usable travel window of 130-140 mm. It only sets the travel end and does not lock the load without live air pressure.
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