Airtac SAIJ40 Adjustable Cylinder SAIJ40BX110-100S
The AirTAC Airtac SAIJ40 Adjustable Cylinder SAIJ40BX110-100S 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 SAIJ40BX110-100S
The AirTAC SAIJ40X110-100-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel. With a nominal 110 mm stroke and a 100 mm adjustment range, it provides a wide usable travel window of 10 to 110 mm to accommodate varying product sizes without swapping hardware. It delivers 628 N of pull force at 0.5 MPa and reaches speeds up to 800 mm/s.
This configuration includes a SUS304 stainless steel rod for superior corrosion resistance and a built-in magnet for position sensing with AirTAC CMSE reed and DMSE electronic switches. The extruded aluminum barrel includes sensor grooves on both sides, and the fluid porting uses PT tapered threads. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ40 Adjustable Cylinder SAIJ40BX110-100S Technical Specifications
| Model | Airtac SAIJ40 Adjustable Cylinder SAIJ40BX110-100S |
|---|---|
| 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 SAIJ40BX110-100S
| 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 SAIJ40BX110-100S Is Used
Variable End-Stop Positioning
Dial in the exact retract distance between 10 and 110 mm during machine setup to adapt to different material thicknesses on the fly.
Product Changeover
Quickly reconfigure the stroke window for new product sizes without disassembling the cylinder or adding external spacers.
Corrosive Environment Actuation
Leverage the SUS304 stainless steel rod for reliable clamping and positioning in washdown or corrosive manufacturing settings.
Is the Airtac SAIJ40 Adjustable Cylinder SAIJ40BX110-100S the Right Cylinder?
Choose this adjustable model when your application requires frequent end-position changes or variable stops at commissioning, avoiding the need to maintain an inventory of multiple fixed-stroke SAI cylinders. If you need higher force, stepping up to a 50 mm bore yields 825 N of pull force at 0.5 MPa, while dropping to a 32 mm bore reduces it to 345 N. To match this cylinder for an ISO 15552 replacement, specify the 40 mm bore, 110 mm stroke, 100 mm adjustment, PT ports, and the -S magnet.
Because the 100 mm adjustment acts as a physical stop to set the travel end, it does not hold the load without live air pressure. For true load-holding without continuous air, consider the SAIL pneumatic lock or BSAI clamp-lock series instead.
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 SAIJ40BX110-100S FAQ
At 0.5 MPa, this 40 mm bore cylinder provides 628 N of pull force and 879 N of push force. At the maximum operating pressure of 1.0 MPa, it delivers up to 128 kgf.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective stroke from 110 mm down to as little as 10 mm, creating a 10-110 mm usable travel window. It only sets the end position and does not lock the load without live air.
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