Airtac SAIJ80 Adjustable Cylinder SAIJ80X105-75
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X105-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 105mm 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
- Stroke105 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X105-75
The AirTAC SAIJ80X105-75 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the nominal 105 mm travel back by up to 75 mm. This creates a wide 30-105 mm usable window, ideal for dialing in exact end positions during commissioning or product changeovers without swapping the entire actuator. It delivers 2513 N of pull force at 0.5 MPa and reaches speeds up to 800 mm/s.
The 25 mm carbon steel rod and M20x1.5 thread provide robust resistance to side loading, though an external guide remains recommended for long unsupported masses. It uses a PT tapered G3/8 port and includes adjustable air cushions at both ends to decelerate the load smoothly. For load-holding without live air pressure, this standard cylinder must be paired with an external rod lock or a related AirTAC type like the SAIL or BSAI.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X105-75 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X105-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 105 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 SAIJ80X105-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×105 | 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 SAIJ80X105-75 Is Used
Changeover Tuning
Dial in the 30-105 mm stroke window on the fly during product size changeovers without bolting on external physical stops.
Assembly Positioning
Provides 2513 N of pull force at 0.5 MPa for pressing or locating parts, with the rear screw allowing precise end-position calibration.
Machine Setup
Simplifies initial commissioning of new equipment by letting technicians trim the 105 mm travel back by up to 75 mm to clear mechanical obstructions.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X105-75 the Right Cylinder?
Choose this 80 mm bore when your application requires 2513 N of pull force at 0.5 MPa and a highly flexible end-stop. If you need less force, the 63 mm bore offers 1402 N of pull force at 0.5 MPa; stepping up to the 100 mm bore yields 3681 N of pull force. The SAIJ80X105-75 is selected specifically over a fixed-stroke SAI when a machine setup requires variable end-stops or fine-tuning across a 30-105 mm range.
This actuator is dimensionally interchangeable per ISO 15552 mounting interfaces. To match this exact configuration: specify an 80 mm bore, 105 mm nominal stroke, 75 mm adjustment range, PT G3/8 port, and no magnet. The mounting set is limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options.
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 SAIJ80X105-75 FAQ
At an operating pressure of 0.5 MPa, this 80 mm bore cylinder generates 2513 N of pull force and 3518 N of push force. At the maximum rated pressure of 1.0 MPa, it can deliver up to 513 kgf.
The rear adjuster screw acts as a mechanical stop that lets you shorten the nominal 105 mm stroke by up to 75 mm, creating a usable travel window of 30-105 mm. It only sets the travel end and decelerates the load; it does not lock or hold the load without live air pressure.
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