Airtac SAIJ160 Adjustable Cylinder SAIJ160BX280-75S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX280-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 280mm 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
- Stroke280 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX280-75S
The AirTAC SAIJ160X280-75-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that permits fine-tuning of the retract end position. It provides a usable travel window of 205-280 mm, allowing you to dial back the 280 mm nominal stroke by up to 75 mm without adding external stops. Delivering 14074N of push force at 0.7 MPa, it handles heavy-duty movement with precision.
This SKU includes a SUS304 stainless steel rod for superior corrosion resistance and is equipped with a magnet for CMSE and DMSE sensors. It features PT tapered ports and uses a 50 mm variable air cushion at both ends. The extruded aluminum barrel includes sensor grooves on both sides, and the rear adjuster acts purely as a travel stop, meaning it will not hold a load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX280-75S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX280-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 280 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 SAIJ160BX280-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×280 | 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 SAIJ160BX280-75S Is Used
Heavy Press Tuning
Dial in the exact 205-280 mm travel window during heavy press commissioning to accommodate varying material thicknesses without swapping cylinders.
Product Changeover
Quickly adjust the end-stop position on packaging lines when switching to different package sizes, leveraging the 75 mm trim range for rapid setup.
Variable Positioning Stops
Use the rear stopper to fine-tune the retract position on large automated assembly lines, ensuring precise mechanical alignment for heavy 160 mm bore tooling.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX280-75S the Right Cylinder?
Choose this adjustable-stroke model over a fixed SAI cylinder when your application requires variable end-stops or frequent product changeovers that need on-the-fly travel adjustments. If you need to step down force, the 125 bore offers 8590N at 0.7 MPa; stepping up to the 200 bore yields 21991N. For load-holding without live pressure, the rear stopper is insufficient, so consider an AirTAC SAIL or BSAI cylinder instead. To replace this unit, match the 160 bore, 280 stroke, 75 mm adjust, PT G3/4 port, SUS304 rod, and -S magnet. Because the stroke is 280 mm, ensure an external guide is used to prevent excessive 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 SAIJ160BX280-75S FAQ
At an operating pressure of 0.7 MPa, this 160 mm bore cylinder generates 14074N of push force and 9425N of pull force. The maximum force at 1.0 MPa is 2050 kgf.
The rear adjuster screw allows you to shorten the effective stroke by up to 75 mm. This creates a usable travel window between 205 mm and 280 mm, letting you fine-tune the end position at commissioning without replacing the cylinder.
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