Airtac SAIJ160 Adjustable Cylinder SAIJ160X180-50S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160X180-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 180mm 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
- Stroke180 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160X180-50S
The AirTAC SAIJ160X180-50-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering robust performance for heavy-duty automation. It features a 160mm bore, carbon steel piston rod, and PT tapered port threads. An integrated magnet (-S) enables seamless position detection with CMSE reed or DMSE electronic solid-state sensors. By turning the rear adjusting screw, you can fine-tune the effective travel down from the 180mm nominal stroke, creating a precise 130-180mm usable window without adding external stops.
This adjustable model generates 14074N of push force and 9425N of pull force at 0.7 MPa, making it ideal for high-thrust applications. The extruded aluminum profile barrel includes sensor grooves on both sides for flexible switch mounting. Unlike fixed-stroke alternatives, this cylinder allows you to dial in the exact retract end-position during commissioning or product changeovers, while the standard ISO 15552 mounting interface ensures broad interchangeability.
Airtac SAIJ160 Adjustable Cylinder SAIJ160X180-50S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160X180-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 180 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 SAIJ160X180-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×180 | 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 SAIJ160X180-50S Is Used
Heavy Pressing Operations
Dial in the exact 130-180mm stroke end-position for heavy pressing or forming tasks, ensuring precise contact force without needing to swap out the entire cylinder.
Product Changeovers
Quickly adjust the retract stop by up to 50mm during packaging line size changes, reducing machine setup time and eliminating the need for external mechanical stops.
Assembly Line Tuning
Fine-tune the end-of-stroke position during initial commissioning to perfect part ejection or clamping, leveraging the 14074N thrust for heavy assembly tasks.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160X180-50S the Right Cylinder?
Choose this 160mm bore adjustable cylinder when your application requires substantial thrust—up to 14074N push at 0.7 MPa—and on-the-fly end-position tuning. If your force requirements are lower, stepping down to a 125mm bore yields 8590N of push force at the same pressure, whereas moving up to a 200mm bore provides 21991N. The 50mm adjustment window is perfect for machinery that handles varying product sizes, allowing you to reposition the retract stop during changeovers rather than physically swapping the cylinder.
Because the 180mm stroke is well within standard limits, no external guide is strictly required, but the robust 40mm carbon steel rod and M36x2 thread handle significant side loads. Remember that the rear adjuster functions strictly as a travel stop and relies on the variable air cushions for end-of-stroke deceleration; it does not hold the load without continuous air pressure. For true load-holding on power failure, consider the related SAIL (air-released lock) or BSAI (clamp-lock) series. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting the FB, CA, CB, and CR brackets found on some other ISO 15552 variants.
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 SAIJ160X180-50S FAQ
At a standard 0.7 MPa operating pressure, this 160mm bore double-acting cylinder generates 14074N of push force and 9425N of pull force. It can reach a maximum push force of 18095N at 0.9 MPa.
The rear adjuster screw acts as a mechanical stop that lets you trim the effective stroke back from the 180mm nominal length, providing a usable travel window of 130-180mm. This allows for precise end-position tuning during setup without replacing the cylinder.
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