Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-40
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-40 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 SAIJ80X160-40
The AirTAC SAIJ80X160-40 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel by up to 40 mm. This creates a usable stroke window of 120 to 160 mm, enabling precise end-position tuning at commissioning without swapping out the cylinder or adding external stops. Built with a carbon steel piston rod and PT tapered ports, it delivers a robust 2513 N of push force at 0.5 MPa.
This 80 mm bore actuator utilizes a G3/8 port and an M20x1.5 rod thread, providing excellent structural rigidity to handle higher side loads. The extruded aluminum barrel incorporates sensor grooves on both sides for flexible switch mounting, while the variable air cushions at both ends ensure smooth deceleration. Remember that the rear adjuster acts only as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-40 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-40 |
|---|---|
| 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 SAIJ80X160-40
| 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 SAIJ80X160-40 Is Used
Machine Changeover
Dial in the 120-160 mm travel window during product size transitions to set new end positions rapidly without mechanical rebuilds.
End-Stop Calibration
Fine-tune the retract position at commissioning using the rear screw, hitting exact mechanical endpoints without adding external stops.
Assembly Pressing
Leverage the 2513 N push force at 0.5 MPa for pressing operations, adjusting the 40 mm window to accommodate varying material thicknesses.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-40 the Right Cylinder?
Choose this adjustable-stroke model when your application requires variable end stops or frequent product-size changeovers, stepping up from a 63 mm bore that provides 1559 N of push force at 0.5 MPa. If you need to step down for a lighter load, a 50 mm bore offers 982 N. The integrated 40 mm adjustment window is ideal for fine-tuning machinery setup, whereas a fixed SAI cylinder lacks this commissioning flexibility.
When matching an ISO 15552 replacement, verify the 80 mm bore, 160 mm nominal stroke, 40 mm adjustment range, G3/8 PT port, and your required mounting style. The SAIJ series supports a specific mounting subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2. Because this unit lacks a magnet, you must add the -S option if your setup requires CMSE reed or DMSE electronic sensors.
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 SAIJ80X160-40 FAQ
At 0.5 MPa operating pressure, this 80 mm bore cylinder provides 2513 N of push force and 2268 N of pull force. It can reach a maximum push force of 4523 N at 0.9 MPa.
The rear adjuster acts as a mechanical stop that lets you shorten the 160 mm nominal stroke by up to 40 mm, creating a 120 to 160 mm usable travel window. It functions as a travel stop, not a lock, and cannot hold a load without continuous air pressure.
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