Airtac SAIJ160 Adjustable Cylinder SAIJ160BX300-75
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX300-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 300mm 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
- Stroke300 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX300-75
The AirTAC SAIJ160X300-75 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel down from a 300 mm nominal stroke to a 225 mm minimum. Delivering a massive 18095 N of push force at 0.9 MPa, it handles heavy-duty positioning tasks with precision. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of position feedback.
This specific SKU is configured with a SUS304 stainless steel rod for superior corrosion resistance and a PT tapered port thread. The rear adjuster acts purely as a mechanical stop to set the retract end-position during commissioning or product changeover, meaning it does not hold the load without live air pressure. For applications requiring true load-holding without continuous air, consider the AirTAC SAIL or BSAI series instead.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX300-75 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX300-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 300 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 SAIJ160BX300-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×300 | 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 SAIJ160BX300-75 Is Used
Heavy Machinery Changeover
Dial in the 225 to 300 mm travel window during product size transitions on large packaging lines without swapping out the entire actuator.
Precision End-Stop Tuning
Use the rear adjuster to precisely set the retract position of heavy tooling at commissioning, compensating for mechanical tolerances without external stops.
Corrosive Environment Actuation
Leverage the SUS304 stainless steel rod for heavy pressing or lifting tasks in washdown or chemically exposed manufacturing settings.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX300-75 the Right Cylinder?
Choose this 160 mm bore when 10053 N of push force at 0.5 MPa is insufficient, or step down to a 125 mm bore if 6136 N is enough for your application. The 75 mm adjustment range is ideal for machinery that requires variable end-stops during format changeovers, eliminating the need to physically swap cylinders or bolt on external stopper blocks. As a true ISO 15552 profile cylinder, it is dimensionally interchangeable with standard ISO 15552 mounting interfaces.
When specifying this model, note the PT port thread, the SUS304 rod material, and the available mounting set which includes Basic, FA, LB, TC, FTC, TCM1, and TCM2. Because the stroke is 300 mm, the 40 mm diameter rod and M36x2 thread provide robust support, but an external guide is recommended for long unsupported travels to prevent excessive side-loading on the bearing.
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 SAIJ160BX300-75 FAQ
The rear adjuster screw lets you shorten the effective stroke by up to 75 mm, providing a usable travel window between 225 mm and 300 mm. It acts as a mechanical stop to fine-tune the end position and does not lock the load without live air pressure.
At an operating pressure of 0.9 MPa, this 160 mm bore cylinder generates a push force of 18095 N and a pull force of 9425 N. It operates at speeds between 30 and 500 mm/s.
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