Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-40S
The AirTAC SAIJ160 Adjustable Cylinder SAIJ160BX325-40S 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 interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ160 mm
- Stroke325 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-40S
The AirTAC SAIJ160X325-40-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to fine-tune the retract end position without swapping out the unit. With a 325 mm nominal stroke and a 40 mm adjustment range, it provides a usable travel window of 285-325 mm for precise commissioning.
This specific SKU features a SUS304 stainless steel rod (code B) for superior corrosion resistance and includes a magnet (-S) for use with AirTAC CMSE reed and DMSE electronic sensors. The extruded aluminum barrel includes sensor grooves on both sides, and the standard PT tapered port threads match the G3/8 port size. The rear adjuster acts purely as a mechanical stop for deceleration and positioning; it does not lock the load without continuous live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-40S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-40S |
|---|---|
| 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 | 9425 N | 9425 N |
| 0.7 MPa | 13195 N | — |
| Max (@1.0 MPa) | 1922 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-40S
| 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 SAIJ160BX325-40S Is Used
Product Changeover
Dial in the 285-325 mm travel window during format changeovers on packaging lines to accommodate different carton depths without changing hardware.
Material Forming
Set exact end-stops for heavy-duty bending or forming tasks, using the 40 mm adjustment screw to fine-tune the final rest position during machine setup.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-40S the Right Cylinder?
The adjustable 285-325 mm window is ideal for production lines that undergo frequent product-size changeovers, eliminating the need to physically swap cylinders or bolt on external stops like you would with a fixed-stroke SAI model.
Because the 325 mm stroke is relatively long, an external guide should be used to support the load and prevent excessive side-loading on the SUS304 rod. If your application requires the load to be held in place without constant air pressure, this cylinder will not suffice; you should look at the SAIL air-released lock or BSAI clamp-lock series instead. For an exact ISO 15552 replacement match, verify the 160 mm bore, 325 mm stroke, 40 mm adjustment, PT G3/8 ports, and the -S magnet requirement.
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 SAIJ160BX325-40S FAQ
The rear adjuster screw allows you to shorten the 325 mm nominal stroke by up to 40 mm, creating a usable travel window of 285-325 mm. This stopper only sets the end position and deceleration; it does not lock the load without live air pressure.
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