Airtac SAIJ160 Adjustable Cylinder SAIJ160X115-40
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160X115-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 115mm 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
- Stroke115 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160X115-40
The AirTAC SAIJ160X115-40 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It delivers a robust 14074N push force at 0.7 MPa, making it ideal for heavy-duty positioning. The integrated rear adjusting screw allows you to fine-tune the effective travel anywhere within a 75 to 115 mm window, providing exact end-position calibration without adding external stops.
This 160 mm bore unit uses a 40 mm carbon steel rod with an M36x2 thread, paired with a G3/4 PT port. It includes 50 mm variable air cushions at both ends to manage high kinetic energy. The extruded aluminum barrel features sensor grooves on both sides for CMSE reed or DMSE electronic switches, though this specific SKU ships without a magnet.
Airtac SAIJ160 Adjustable Cylinder SAIJ160X115-40 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160X115-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 115 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 SAIJ160X115-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×115 | 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 SAIJ160X115-40 Is Used
Machine Setup Tuning
Dial in the exact 75 to 115 mm end-position during machine commissioning without swapping cylinders or fabricating external stopper blocks.
Product Changeover
Quickly adjust the rear stopper screw to accommodate varying product sizes on a heavy-duty production line, reducing downtime between runs.
Heavy Press Positioning
Leverage the 14074N push force at 0.7 MPa for high-thrust pressing and forming operations that require precise bottoming-out depth control.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160X115-40 the Right Cylinder?
Choose this adjustable-stroke model when your application requires precise end-stop tuning during commissioning or frequent product changeovers, unlike a fixed-stroke SAI cylinder. If your force requirements are lower, stepping down to a 125 mm bore yields 8590N push at 0.5 MPa; if you need more force, a 200 mm bore provides 21991N at 0.7 MPa. The rear adjuster acts purely as a mechanical stop and does not hold the load without live air pressure. For true load-holding without continuous air, select the SAIL (air-released lock) or BSAI (clamp-lock) series instead.
Because the nominal stroke is 115 mm, an external guide is not strictly required for side-load support, but the substantial 40 mm rod and M36x2 thread handle heavy bending loads well. The mounting interface supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 brackets, omitting FB, CA, CB, and CR options.
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 SAIJ160X115-40 FAQ
At an operating pressure of 0.7 MPa, this 160 mm bore cylinder generates 14074N of push force and 13274N of pull force. It can reach a maximum push force of 18095N at 0.9 MPa.
The rear adjuster screw allows you to shorten the 115 mm nominal stroke by up to 40 mm. This creates a usable travel window of 75 to 115 mm, letting you set the exact retract end-position at commissioning without changing the cylinder.
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