Airtac SAIJ40 Adjustable Cylinder SAIJ40BX110-75S
The AirTAC Airtac SAIJ40 Adjustable Cylinder SAIJ40BX110-75S 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 SAIJ40BX110-75S
The AirTAC SAIJ40X110-75-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 35 to 110 mm, allowing you to dial back the nominal 110 mm stroke by up to 75 mm during commissioning. It delivers a 0.5 MPa push force of 628 N and a pull force of 528 N.
This specific SKU includes a SUS304 stainless steel piston rod for superior corrosion resistance and is equipped with a magnet for CMSE reed and DMSE electronic sensors. The extruded aluminum barrel includes sensor grooves on both sides, and the standard PT tapered port threads ensure a tight pneumatic connection.
Airtac SAIJ40 Adjustable Cylinder SAIJ40BX110-75S Technical Specifications
| Model | Airtac SAIJ40 Adjustable Cylinder SAIJ40BX110-75S |
|---|---|
| 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 SAIJ40BX110-75S
| 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 SAIJ40BX110-75S Is Used
Machine Changeover
Quickly fine-tune the retract end position within the 35-110 mm window during product size changes on a packaging line.
Variable End-Stop Setup
Dial in the exact clamping depth without machining custom spacers or installing external hard stops.
Corrosive Assembly
Leverage the SUS304 rod for light-duty pushing in environments where standard carbon steel rods would rust.
Is the Airtac SAIJ40 Adjustable Cylinder SAIJ40BX110-75S the Right Cylinder?
Choose this 40 mm bore when you need precise variable end-stops for machine changeovers without adding external stops or swapping cylinders. If your application requires less force, the 32 mm bore offers 402 N at 0.5 MPa; for higher force demands, stepping up to the 50 mm bore yields 982 N. Remember that the rear adjuster acts only as a travel stop and does not hold the load without live air. For load-holding without pressure, consider the SAIL or BSAI series.
When matching ISO 15552 replacement dimensions, verify the 40 mm bore, 110 mm stroke, up to 75 mm adjustment range, PT port threads, and the -S magnet option. The standard speed range is 30-800 mm/s.
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 SAIJ40BX110-75S FAQ
At 0.5 MPa, it provides 628 N of push force and 528 N of pull force. At 0.7 MPa, the push force increases to 879 N.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective stroke from 110 mm down to as little as 35 mm. It only sets the travel end and does not lock the load without live air pressure.
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