Airtac SAIJ80 Adjustable Cylinder SAIJ80X35-30
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X35-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 35mm 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
- Stroke35 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X35-30
The AirTAC SAIJ80X35-30 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 2513N push force at 0.5 MPa and features a usable travel window of 5 to 35 mm. This wide adjustment band on a short nominal stroke allows you to fine-tune the exact retract position during commissioning without adding external stops.
It features a 25mm carbon steel rod with an M20x1.5 thread, offering robust resistance to side loads. The extruded aluminum barrel includes sensor grooves on both sides for CMSE reed or DMSE electronic switches, though this specific SKU is configured without a magnet. Mounting options include the reduced SAIJ set: Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X35-30 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X35-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 35 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 SAIJ80X35-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×35 | 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 SAIJ80X35-30 Is Used
Short-Stroke Positioning
Dial in the exact 5 to 35mm retract position for short clamping or pressing tasks without swapping out the entire cylinder.
Machine Changeover
Quickly adapt the end-stop distance on automated lines when switching between product sizes or varying thicknesses.
Precision Assembly
Use the fine rear adjustment to set precise pressing depths for component insertion during automated assembly.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X35-30 the Right Cylinder?
Choose this 80mm bore when your application requires a high force output (2513N push at 0.5 MPa) over a very short, highly variable travel distance. If you need less force, stepping down to a 63mm bore yields 1559N. The adjustable stroke is selected over a fixed SAI cylinder when you need precise end-position tuning at machine setup or during product changeovers. Remember that the rear adjuster acts only as a travel stop and does not hold the load without live air; for true load-holding, consider the SAIL or BSAI series. This model uses a PT port thread type.
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 SAIJ80X35-30 FAQ
At 0.5 MPa, this 80mm bore cylinder provides a push force of 2513N and a pull force of 2268N. It operates at speeds ranging from 30 to 800 mm/s.
The SAIJ80X35-30 has a nominal 35mm stroke with a 30mm adjustment code, creating a usable travel window of 5 to 35mm. The rear screw acts as a mechanical stop to trim the retract position, but it is not a lock and cannot hold the load without continuous air pressure.
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