Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-50S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-50S 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 SAIJ160BX325-50S
The AirTAC SAIJ160X325-50-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 275 to 325 mm. Built with a SUS304 stainless steel rod, it generates 10053 N of pull force at 0.5 MPa and handles operating speeds of 30-500 mm/s. The integrated magnet enables precise position detection.
This adjustable-stroke design allows you to fine-tune the retract end-position during commissioning without adding external stops or swapping the cylinder. It features sensor grooves on both sides of the extruded aluminum barrel for flexible switch mounting, and uses PT tapered port threads sized at G3/4.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-50S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-50S |
|---|---|
| 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 SAIJ160BX325-50S
| 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 SAIJ160BX325-50S Is Used
Product Changeovers
Dial in the 275 to 325 mm retract distance during format size changes without physically swapping out the actuator or adding spacer blocks.
Heavy Press Fitting
Leverage up to 10053 N of pull force at 0.5 MPa to seat heavy components, using the rear stop to fine-tune the final resting depth.
Machine Commissioning
Trim the effective stroke by up to 50 mm during initial setup to perfectly synchronize the end-of-travel position with machine hard stops.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-50S the Right Cylinder?
Choose this 160 mm bore when an 80 mm bore (2268 N pull at 0.5 MPa) lacks the force for heavy positioning, but a 200 mm bore is physically oversized. The 50 mm adjustment window is ideal for product-size changeovers on a line, dialing in the exact retract distance on the fly instead of machining new hard stops. Because the stroke is 325 mm, ensure external guides support the load to prevent excessive side-loading on the rod.
To match this ISO 15552 interchangeable cylinder, specify the 160 mm bore, 325 mm stroke, 50 mm adjustment, PT G3/4 port, and the -S magnet. Note that the rear adjuster acts only as a travel stop and does not hold the load without live air; for fail-safe load holding, consider an AirTAC SAIL or BSAI cylinder. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ160BX325-50S FAQ
The rear adjuster acts as an external stopper that lets you shorten the effective stroke by up to 50 mm. This creates a usable travel window of 275 to 325 mm, allowing you to fine-tune the retract position at commissioning without changing the cylinder.
At 0.5 MPa operating pressure, it provides 10053 N of pull force and 14074 N of push force. The maximum thrust is 2050 kgf at 1.0 MPa.
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