Airtac SAIJ160 Adjustable Cylinder SAIJ160BX260-75S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX260-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 260mm 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
- Stroke260 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX260-75S
The AirTAC SAIJ160X260-75-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 185 to 260 mm for precise end-position tuning during commissioning. It belongs to the 160 mm bore class, delivering a substantial push force of 14074 N at 0.7 MPa. The barrel is extruded aluminum with sensor grooves on both sides, and this -S variant includes a magnet for position detection.
This model features a SUS304 stainless steel rod for corrosion resistance and uses a PT tapered port thread. The rear adjuster acts purely as a mechanical stop to set the travel end and relies on the integrated air cushion for deceleration; it does not lock or hold the load without live air pressure. For load-holding requirements, a SAIL or BSAI variant would be required.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX260-75S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX260-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 260 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 SAIJ160BX260-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×260 | 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 SAIJ160BX260-75S Is Used
Heavy Machinery Setup
Fine-tunes the 185-260 mm travel window during heavy equipment assembly, allowing precise positioning of large components without machining custom external stops.
Product Size Changeover
Adjusts the retract end-position on the fly when a production line switches to a different product size, utilizing the 75 mm adjustment range to adapt quickly.
Press End-Stop Tuning
Dials in the exact bottom-dead-center for a pressing operation, using the rear stopper to compensate for mechanical wear over time while leveraging the 40 mm rod for stability.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX260-75S the Right Cylinder?
Select this 160 mm bore cylinder when an application requires heavy thrust—such as 14074 N push at 0.7 MPa—combined with the ability to dial in the exact end-stop without swapping physical components. If your force requirements are lower, stepping down to a 100 mm bore provides 5497 N push at 0.7 MPa, which may offer a smaller footprint. Conversely, if you need maximum thrust, a 200 mm bore yields 21991 N push at 0.7 MPa.
The adjustable stroke is ideal for product changeovers on a line, allowing operators to trim the stroke by up to 75 mm rather than installing a fixed-stroke SAI cylinder of a different length. When replacing an ISO 15552 cylinder, match the 160 mm bore, 260 mm nominal stroke, PT G3/4 port, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2—omitting FB, CA, CB, CR). Because the stroke is 260 mm, ensure adequate external guiding to prevent side-loading on the 40 mm rod.
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 SAIJ160BX260-75S FAQ
At 0.7 MPa operating pressure, this 160 mm bore cylinder generates a push force of 14074 N and a pull force of 9425 N. It can deliver a maximum push force of 18095 N at 0.9 MPa.
The rear adjuster allows you to shorten the effective stroke by up to 75 mm from the 260 mm nominal length, creating a usable travel window of 185 to 260 mm. The adjuster functions as a mechanical stop and does not hold the load without live air pressure.
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