Airtac SAIJ160 Adjustable Cylinder SAIJ160BX240-75S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX240-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 240mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ160 mm
- Stroke240 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX240-75S
The AirTAC SAIJ160X240-75-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing an exact usable travel window of 165 to 240 mm. Built with a SUS304 stainless steel rod and a magnetic piston for position sensing, it delivers massive thrust, pushing 18095 N at 0.9 MPa. The PT tapered port threads ensure a high-integrity pneumatic seal for heavy-duty operations.
This adjustable-stroke design allows you to fine-tune the retract end position during commissioning or product changeovers without swapping the cylinder. The rear screw acts purely as a travel stop for deceleration alongside the standard air cushions, not as a load lock. Mounting options include the standard SAIJ subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX240-75S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX240-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 240 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 50 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 (Ø160mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 10053 N | 9425 N |
| 0.7 MPa | 14074 N | — |
| Max (@1.0 MPa) | 2050 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ160 Adjustable Cylinder SAIJ160BX240-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×240 | 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 SAIJ160 Adjustable Cylinder SAIJ160BX240-75S Is Used
Heavy Press Tuning
Dial in the exact 165 to 240 mm end position during machine commissioning to accommodate different material thicknesses in a forming press without adding external mechanical stops.
Product Size Changeover
Quickly adjust the retract distance on packaging lines handling varying pallet heights, utilizing the 75 mm trim range to switch between product runs efficiently.
Robotic End Effectors
Leverage the SUS304 stainless steel rod and massive 18095 N push force at 0.9 MPa for heavy-duty gripper actuation in harsh environments requiring precise end-stop tuning.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX240-75S the Right Cylinder?
Select this 160 mm bore when an application requires substantial force, pushing 14074 N at 0.7 MPa, but might need a smaller step down to the 125 mm bore (8590 N at 0.7 MPa) if energy consumption is a higher priority than raw power. The 75 mm adjustment range is particularly useful for machinery processing varying product sizes, allowing the end-stop to be dialed in precisely on the fly. For load-holding without live air pressure, this cylinder is insufficient; you must integrate an external pilot-operated check valve or choose an AirTAC SAIL or BSAI lock variant. When replacing an ISO 15552 cylinder, match the 160 mm bore, 240 mm stroke, PT ports, and the -S magnet requirement.
Because the 240 mm stroke is substantial, the heavy piston and 40 mm rod assembly will generate significant side-loading forces if the load is not guided properly. Always use an external linear guide to support the load and prevent premature seal wear, as the rear adjuster only sets the travel end and does not bear radial loads.
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 SAIJ160 Adjustable Cylinder SAIJ160BX240-75S FAQ
At 0.9 MPa operating pressure, this 160 mm bore cylinder provides a push force of 18095 N and a pull force of 9425 N. At 0.5 MPa, the push force is 10053 N.
The rear adjuster screw allows you to shorten the nominal 240 mm stroke by up to 75 mm, creating a usable travel window of 165 to 240 mm. It functions as a mechanical stop to set the end position and does not lock the load without live air pressure.
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