Airtac SAIJ160 Adjustable Cylinder SAIJ160X120-40
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160X120-40 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 SAIJ160X120-40
The AirTAC SAIJ160X120-40 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 80 to 120 mm, allowing you to dial back the nominal 120 mm stroke by up to 40 mm during commissioning. This 160 mm bore delivers robust force, generating 10053 N of push thrust at 0.5 MPa.
The extruded aluminum barrel incorporates sensor grooves on both sides, though this standard configuration omits the -S magnet option. It uses a PT tapered G3/4 port and a 40 mm carbon steel rod with an M36x2 thread. The rear adjuster acts purely as a mechanical stop to set the retract position, meaning it will not hold a load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160X120-40 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160X120-40 |
|---|---|
| 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 SAIJ160X120-40
| 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 SAIJ160X120-40 Is Used
Machine Changeover
Quickly fine-tune the 80-120 mm travel window during product size transitions on a packaging line without replacing the cylinder.
Variable End Stops
Set precise retract positions for heavy pressing operations, leveraging the 18095 N push force at 0.9 MPa.
Commissioning Calibration
Dial in the exact end-of-stroke position during initial machine setup to prevent mechanical interference.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160X120-40 the Right Cylinder?
Choose this 160 mm bore when an application requires substantial force (10053 N push at 0.5 MPa) but needs precise end-position tuning without swapping cylinders. If you need less force, stepping down to a 125 mm bore yields 6136 N at 0.5 MPa. The adjustable stroke is ideal for product changeovers, whereas a fixed SAI cylinder suits set-and-forget setups.
For load-holding without continuous air pressure, this cylinder is insufficient as the rear screw is a travel stop, not a lock; consider an AirTAC SAIL or BSAI series instead. To replace an ISO 15552 cylinder, match the 160 mm bore, 120 mm stroke, 40 mm adjuster, PT G3/4 port, and Basic/LB/TC mounting. Because the stroke is 120 mm, side-load risks are moderate, but external guides are recommended for heavy 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 SAIJ160X120-40 FAQ
It features a rear mechanical stopper that allows you to shorten the effective travel from the 120 mm nominal stroke down to 80 mm. This provides a 40 mm adjustable window for fine-tuning the retract end position at commissioning.
At a 0.5 MPa operating pressure, it provides 10053 N of push thrust and 9425 N of pull thrust. At 0.9 MPa, the push force increases to 18095 N.
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Standard models usually ship in 3-4 days.
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