Airtac SAIJ160 Adjustable Cylinder SAIJ160BX260-40S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX260-40S 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 SAIJ160BX260-40S
The AirTAC SAIJ160X260-40-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It features a robust 160mm bore and a SUS304 stainless steel rod. The integrated -40mm adjustment mechanism allows you to fine-tune the effective travel down to 220mm, creating a 220-260mm usable stroke window without swapping out the physical barrel.
Delivering 10053N of pull force at 0.5MPa and up to 18095N at 0.9MPa, this unit handles heavy loads. It uses PT tapered ports (G3/4) and includes a magnet for CMSE or DMSE sensors. The extruded aluminum barrel provides dual sensor grooves, and the rear stopper mechanism acts purely as a travel end-tuner, not a load-holding lock.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX260-40S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX260-40S |
|---|---|
| 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 SAIJ160BX260-40S
| 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 SAIJ160BX260-40S Is Used
Heavy Press Tuning
Dial in the exact 220-260mm retraction distance during heavy press commissioning to ensure precise contact without adding external mechanical stops.
Variable Size Changeover
Quickly adapt machinery for different product lengths by adjusting the rear stopper up to 40mm, minimizing downtime between production runs.
Assembly Station Setup
Fine-tune the end-of-stroke position on heavy assembly lines to accommodate varying component heights safely and accurately.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX260-40S the Right Cylinder?
Select this 160mm bore when an application requires substantial thrust combined with variable end-positioning during machine setup or product changeover. If your process needs less force, stepping down to a 125mm bore yields 5734N of pull at 0.5MPa. Conversely, moving up to a 200mm bore provides 15080N of pull at 0.5MPa. Choose this adjustable SAIJ over a fixed SAI when you need to dial in the exact retract distance on the fly.
For an ISO 15552 replacement match, specify a 160mm bore, 260mm nominal stroke, 40mm adjustment range, PT ports, and the -S magnet option. Since the stroke is 260mm, ensure adequate guiding for any side loads, as the 40mm diameter SUS304 rod still requires external support for long unsupported travels. Remember that the rear adjuster only stops movement; it will not hold the load without live air pressure, so consider a SAIL or BSAI cylinder if true mechanical locking is required.
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 SAIJ160BX260-40S FAQ
At 0.5MPa it provides 10053N of pull force and 14074N of push force at 0.7MPa. At the maximum operating pressure of 1.0MPa, it delivers up to 2050kgf.
The rear adjuster allows you to shorten the 260mm nominal stroke by up to 40mm, providing a usable travel window of 220-260mm. This stopper tunes the end position but does not lock the load without continuous air pressure.
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