Airtac SAIJ40 Adjustable Cylinder SAIJ40BX110-10
The AirTAC Airtac SAIJ40 Adjustable Cylinder SAIJ40BX110-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 110mm stroke, G1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ40 mm
- Stroke110 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 30 mm
About the Airtac SAIJ40 Adjustable Cylinder SAIJ40BX110-10
The AirTAC SAIJ40X110-10 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 110 mm stroke that can be dialed back by up to 10 mm, creating a precise 100-110 mm usable travel window for exact end-position tuning during commissioning. Delivering 628 N of push force at 0.5 MPa, it bridges the gap between compact 32 mm bores and heavier 50 mm units.
This variant features a SUS304 stainless steel rod for superior corrosion resistance and operates with PT tapered ports. The extruded aluminum barrel includes sensor grooves on both sides, allowing you to drop in CMSE or DMSE switches if position feedback is later required. It supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options.
Airtac SAIJ40 Adjustable Cylinder SAIJ40BX110-10 Technical Specifications
| Model | Airtac SAIJ40 Adjustable Cylinder SAIJ40BX110-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 110 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M12×1.25 |
| 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, 30 mm |
| Max stroke | Up to 1200 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ40 Adjustable Cylinder SAIJ40BX110-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×110 | 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 SAIJ40 Adjustable Cylinder SAIJ40BX110-10 Is Used
Machine Setup & Changeover
Fine-tune the 100-110 mm travel window during product line changeovers, adjusting the rear stopper to accommodate slightly different package sizes without replacing hardware.
Variable End Stops
Dial in the exact retraction point during commissioning to prevent overtravel, using the 10 mm adjustment range to perfect the end-of-stroke positioning.
Corrosive Assembly Lines
Leverage the SUS304 stainless steel rod for light assembly tasks in environments where moisture or mild chemicals would degrade standard carbon steel rods.
Is the Airtac SAIJ40 Adjustable Cylinder SAIJ40BX110-10 the Right Cylinder?
Choose this 40 mm bore when you need more thrust than a 32 mm cylinder (which provides 402 N at 0.5 MPa) but want a smaller footprint than a 50 mm option (982 N). The adjustable stroke is perfect for applications requiring variable end stops or product-size changeovers without swapping the entire cylinder. If your machine requires the load to be held mechanically without live air pressure, note that the rear adjuster acts only as a travel stop and not a lock; you would need to specify a SAIL or BSAI cylinder instead.
For an exact ISO 15552 replacement, match the 40 mm bore, 110 mm stroke, 10 mm adjustment range, PT port thread, and your required mounting hardware. Because the 110 mm stroke is relatively short, side-loading is minimal, but always ensure the M12x1.25 rod thread is properly aligned to avoid binding.
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 SAIJ40 Adjustable Cylinder SAIJ40BX110-10 FAQ
It features a rear adjusting screw that acts as a mechanical stopper, allowing you to shorten the effective stroke by up to 10 mm. This provides a usable travel window of 100 to 110 mm, which is set at commissioning without needing external stops.
At 0.5 MPa operating pressure, it provides 628 N of push force and 528 N of pull force. At the maximum 1.0 MPa pressure, the push force increases to 1130 N.
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