Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-75
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 325mm 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
- Stroke325 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-75
The AirTAC SAIJ160X325-75 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel window down from a 325 mm nominal stroke to a 250-325 mm operating range. Delivering 14074 N of push force at 0.7 MPa, it is built for heavy-duty positioning. This configuration uses a SUS304 stainless steel rod (option B) for superior corrosion resistance and features PT tapered port threads.
The rear adjustment screw acts purely as a mechanical stop to dial in the end position during commissioning or product changeovers without swapping the cylinder. It does not hold the load without live air pressure. Extruded from aluminum with sensor grooves on both sides, this unit omits the FB, CA, CB, and CR mounting options, utilizing a reduced set of ISO 15552 interfaces (Basic, FA, LB, TC, FTC, TCM1, TCM2).
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-75 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 325 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 SAIJ160BX325-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×325 | 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 SAIJ160BX325-75 Is Used
Variable End-Stop Forming
Dial in the exact 250 to 325 mm travel window during press setup, allowing precise material forming without machining custom external spacers.
Product Changeover
Quickly adjust the rear stop screw when switching the production line to a different package size, reducing machine downtime between runs.
Heavy-Duty Alignment
Leverage the 14074 N push force to straighten or seat heavy assemblies, using the rear stopper to prevent overtravel on delicate tooling.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-75 the Right Cylinder?
Choose this 160 mm bore when 10053 N of push force at 0.5 MPa is required, or step down to the 125 mm bore (6136 N at 0.5 MPa) if your load is lighter. The 75 mm adjustment range is ideal for lines running mixed product sizes, allowing variable end-stops without adding external physical stops. For any load-holding requirements without live air pressure, the rear adjuster is insufficient; you must specify a SAIL pneumatic lock, BSAI clamp-lock cylinder, or an external rod lock.
Because the 325 mm stroke exceeds 300 mm, the 40 mm diameter rod and M36x2 thread will experience amplified leverage on the piston under side loads. An external guide rail is strongly recommended to prevent rod binding and premature seal wear. Operating speed is capped at 30-500 mm/s for this large bore.
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 SAIJ160BX325-75 FAQ
At 0.7 MPa operating pressure, this 160 mm bore cylinder provides 14074 N of push force and 9425 N of pull force. It can deliver a maximum of 2050 kgf at 1.0 MPa.
The rear adjuster acts as a mechanical stop, allowing you to shorten the effective stroke from 325 mm down to a minimum of 250 mm. It sets the travel end but does not lock the load without continuous air pressure.
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