Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-30
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 160mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ80 mm
- Stroke160 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-30
The AirTAC SAIJ80X160-30 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering 2513N of push force at 0.5 MPa. By integrating an external adjusting screw, this actuator allows you to fine-tune the effective travel down from the 160mm nominal stroke, providing a usable adjustment window of 130-160mm. This eliminates the need to swap cylinders or bolt on external stops during machine commissioning.
This model features a robust 25mm carbon steel piston rod with an M20x1.5 thread, designed to handle demanding operational loads. The extruded aluminum barrel includes sensor grooves on both sides, allowing for direct mounting of CMSE or DMSE switches if a magnet is specified later. It utilizes a PT tapered port thread and relies on adjustable air cushions at both ends to decelerate the load smoothly.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-30 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 160 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M20×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 36 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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×160 | 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 SAIJ80 Adjustable Cylinder SAIJ80X160-30 Is Used
Machine Changeover
Dial in the 130-160mm travel window during product size transitions to set new end stops without replacing the entire actuator.
Variable Positioning Stops
Provide adjustable physical endpoints for diverter arms or pusher plates on a packaging line, allowing rapid format adjustments.
Commissioning Fine-Tuning
Trim the rear stroke by up to 30mm during initial machine setup to perfect the mechanical timing without adding external stopper blocks.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-30 the Right Cylinder?
Selecting this 80mm bore actuator makes sense when your application requires substantial thrust but variable end-positioning, such as accommodating product size changes on a line. If you need less force, stepping down to a 63mm bore yields 1559N of push force at 0.5 MPa. For higher force requirements, moving up to a 100mm bore provides 3927N.
Because the nominal stroke is 160mm, the unsupported rod length is manageable, but you should always verify side-load conditions against the 25mm rod diameter. Remember that the rear adjuster acts purely as a travel stop and the air cushions manage deceleration; neither will hold a load without live air pressure. For true load-holding, consider an external rod lock or explore the SAIL or BSAI series. To ensure exact ISO 15552 replacement interchangeability, match the 80mm bore, 160mm stroke, PT port thread, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, 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 SAIJ80 Adjustable Cylinder SAIJ80X160-30 FAQ
At 0.5 MPa operating pressure, this 80mm bore cylinder provides 2513N of push force and 2268N of pull force. At 0.7 MPa, the push force increases to 3518N.
The rear adjusting screw acts as a mechanical stopper, allowing you to shorten the effective stroke from the 160mm nominal length down to 130mm. It sets the travel end and works with the air cushions for deceleration, but it does not lock the load without continuous air pressure.
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