Airtac SAIJ160 Adjustable Cylinder SAIJ160X120-75S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160X120-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 120mm 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
- Stroke120 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160X120-75S
The AirTAC SAIJ160X120-75-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 45-120 mm usable travel window, allowing you to dial back the 120 mm nominal stroke by up to 75 mm during commissioning without adding external stops. Built with a carbon steel rod and PT tapered ports, it generates 10053 N of pull force at 0.5 MPa and handles speeds of 30-500 mm/s.
This unit includes a magnet for CMSE reed and DMSE electronic sensors, fitting neatly into the extruded aluminum barrel's dual sensor grooves. The rear adjuster acts purely as a travel stop for end-position tuning and does not lock the load without live air pressure. It supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options.
Airtac SAIJ160 Adjustable Cylinder SAIJ160X120-75S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160X120-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 120 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 SAIJ160X120-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×120 | 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 SAIJ160X120-75S Is Used
Variable End-Stop Tuning
Dial in the exact clamping distance on large fixtures by adjusting the rear screw, shifting the travel window anywhere between 45 and 120 mm.
Product Changeover
Quickly adapt a heavy-duty assembly line to different part widths without swapping out the entire cylinder or bolting on external stopper blocks.
Heavy Press Setup
Leverage the 10053 N pull force at 0.5 MPa for large pressing operations while fine-tuning the bottom dead center during machine commissioning.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160X120-75S the Right Cylinder?
Choose this 160 mm bore when your application requires up to 10053 N of pull force at 0.5 MPa, stepping up from the 125 mm bore which provides 5734 N. The 75 mm adjustment range is ideal for product changeovers on a line, letting you fine-tune the end position rapidly. If you need to hold the load securely without live air, this cylinder is not a lock; you should look at the SAIL or BSAI series instead. To match this exact ISO 15552 replacement, specify the 160 mm bore, 120 mm stroke, 75 mm adjuster, PT ports, carbon steel rod, and the -S magnet.
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 SAIJ160X120-75S FAQ
The rear adjuster screw lets you shorten the effective travel from the 120 mm nominal stroke down to a minimum of 45 mm, providing a 75 mm adjustment window. It acts as a mechanical stop to set the end position and does not function as a lock to hold the load without air pressure.
At 0.5 MPa, this 160 mm bore cylinder provides 10053 N of pull force and 14074 N of push force at 0.7 MPa. The operational speed range is 30-500 mm/s, making it suitable for heavy-duty industrial automation.
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