Airtac SAIJ80 Adjustable Cylinder SAIJ80X135-10
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X135-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 135mm 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
- Stroke135 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X135-10
The AirTAC SAIJ80X135-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It delivers a robust 3518N push force at 0.7 MPa, utilizing a 25mm carbon steel rod and G3/8 ports. The integrated adjustment mechanism allows you to fine-tune the effective travel down to a 125-135mm window, making it ideal for applications requiring exact end-position positioning without adding external stops.
This extruded aluminum barrel design includes sensor grooves on both sides for flexible mounting of CMSE or DMSE switches. It supports a reduced set of mounting interfaces (Basic, FA, LB, TC, FTC, TCM1, TCM2) and relies on variable air cushions at both ends to decelerate the load smoothly.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X135-10 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X135-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 135 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 SAIJ80X135-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×135 | 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 SAIJ80X135-10 Is Used
End-Stop Calibration
Dial in the exact 125-135mm travel window during machine setup to perfect pressing or clamping depth without external shims.
Product Changeover
Quickly adapt the cylinder's effective stroke on a packaging line when switching to a slightly different carton size.
Assembly Pressing
Leverage the 3518N push force to seat components securely, using the adjuster to prevent over-travel and damage.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X135-10 the Right Cylinder?
Choose this 80mm bore when you need substantial thrust, stepping up from a 63mm bore that provides 2182N at 0.7 MPa. The adjustable stroke is selected when a machine requires fine end-position tuning during commissioning or product changeover, avoiding the need to swap out a fixed-stroke SAI cylinder. Remember that the rear adjuster acts only as a travel stop; it does not hold the load without live air pressure. For true load-holding, consider the SAIL or BSAI series.
Because the usable stroke is relatively short at 135mm, side-loading on the 25mm rod thread is manageable, but always ensure the load is guided to prevent binding. This configuration uses PT tapered port threads and standard carbon steel rod material.
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 SAIJ80X135-10 FAQ
At 0.7 MPa operating pressure, this double-acting cylinder provides a push force of 3518N and a pull force of 2268N.
The rear adjuster screw lets you shorten the nominal 135mm stroke by up to 10mm, creating a usable travel window of 125-135mm for precise end-position tuning.
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