Airtac SAIJ160 Adjustable Cylinder SAIJ160BX50-40
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX50-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 50mm 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
- Stroke50 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX50-40
The AirTAC SAIJ160X50-40 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel within a 10-50 mm window. Delivering a substantial 14074 N of push force at 0.7 MPa, it handles heavy-duty positioning tasks with precision. The extruded aluminum barrel includes sensor grooves on both sides, allowing for flexible mounting of CMSE or DMSE switches if needed later.
This variant features a SUS304 stainless steel rod for superior corrosion resistance and uses PT tapered port threads. The rear adjuster functions strictly as a mechanical stop to fine-tune the end position during commissioning; it does not hold the load without live air pressure. For load-holding requirements, a SAIL or BSAI series cylinder is recommended.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX50-40 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX50-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 50 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 SAIJ160BX50-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×50 | 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 SAIJ160BX50-40 Is Used
Heavy Press Fine-Tuning
Dial in the exact 10-50 mm pressing distance during product changeovers without adding external mechanical stops.
Variable End-Stop Positioning
Use the rear adjuster to set precise retraction limits for heavy actuators requiring flexible end-position tuning.
Corrosive Environment Actuation
Leverage the SUS304 stainless steel rod for robust heavy-duty movement in wash-down or chemically exposed manufacturing areas.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX50-40 the Right Cylinder?
Choose this 160 mm bore when the 100 mm bore class (providing 5497 N push at 0.7 MPa) is insufficient for your heavy loads. The adjustable stroke is ideal for machine setups requiring variable end-stops without physically swapping cylinders. Mounting options include the reduced SAIJ set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR styles. Because the stroke is under 300 mm, side-loading on the 40 mm rod is manageable, though external guides are still advised for heavy lateral loads.
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 SAIJ160BX50-40 FAQ
At 0.7 MPa, this 160 mm bore cylinder provides 14074 N of push force and 9425 N of pull force. It operates at speeds between 30-500 mm/s.
The rear adjusting screw acts as a mechanical stop, allowing you to shorten the 50 mm nominal stroke by up to 40 mm, resulting in a 10-50 mm usable travel window. It is a stop, not a lock, and requires live air to maintain position.
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