Airtac SAIJ80 Adjustable Cylinder SAIJ80AX240-10
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX240-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 240mm 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
- Stroke240 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX240-10
The AirTAC SAIJ80X240-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 230-240 mm usable travel window, allowing you to dial back the nominal 240 mm stroke by up to 10 mm during commissioning. This bore delivers 2513 N of pull force at 0.5 MPa and operates at speeds of 30-800 mm/s.
Equipped with a SUS420J2 stainless steel rod and PT tapered port threads, it handles side loads well, though long unsupported strokes still need an external guide. The mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options. The rear screw acts as a travel stop, not a lock; for load-holding without live air, consider SAIL or BSAI types.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX240-10 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX240-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 240 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 SAIJ80AX240-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×240 | 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 SAIJ80AX240-10 Is Used
Machine Setup
Fine-tune the 230-240 mm travel window during initial commissioning to dial in exact end positions without adding external stops.
Product Changeover
Quickly adjust the rear stopper by up to 10 mm when running a new product size on the line, minimizing downtime.
Assembly Stations
Leverage the 2513 N pull force to press or clamp components securely while maintaining precise position control.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX240-10 the Right Cylinder?
Choose this 80 mm bore when 50 mm (825 N pull at 0.5 MPa) is too weak but 100 mm (3681 N pull) is oversized. The 10 mm adjustable window is ideal for fine-tuning end positions on product changeover without swapping cylinders or adding external stops. If you need to hold a load unpressurized, select SAIL or BSAI instead, as the SAIJ adjuster only sets the travel end. For ISO 15552 replacement, match the 80 mm bore, 240 mm stroke, 10 mm adjust, PT G3/8 port, and basic mounting.
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 SAIJ80AX240-10 FAQ
At 0.5 MPa, this 80 mm bore cylinder provides 2513 N of pull force and 3518 N of push force. At the maximum operating pressure of 1.0 MPa, it delivers up to 513 kgf.
The rear adjuster screw lets you shorten the effective travel from the nominal 240 mm down to 230 mm. It acts as a mechanical stop to fine-tune the retract position, but it does not lock or hold the load without live air pressure.
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