Airtac SAIJ80 Adjustable Cylinder SAIJ80X230-75
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X230-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 230mm 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
- Stroke230 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X230-75
The AirTAC SAIJ80X230-75 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers 2513N of push force at 0.5 MPa and features a 230mm nominal stroke that can be fine-tuned down by up to 75mm, yielding a usable travel window of 155-230mm. This allows precise end-position calibration during commissioning without swapping out the entire unit. The extruded aluminum barrel includes sensor grooves on both sides for straightforward switch mounting.
This 80mm bore model utilizes a G3/8 port and a robust 25mm carbon steel rod with an M20x1.5 thread, providing excellent resistance against side loads. It supports a speed range of 30-800mm/s and relies on adjustable air cushions at both ends to decelerate the piston smoothly. The rear screw acts purely as a travel stop for position tuning, not as a locking device, meaning the cylinder requires continuous live air to hold its load.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X230-75 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X230-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 230 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 SAIJ80X230-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×230 | 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 SAIJ80X230-75 Is Used
Product Changeovers
Quickly adapt machinery for different product lengths by dialing the stroke back within the 155-230mm window, eliminating the need to physically swap cylinders during line changeovers.
Precision End-Stop Tuning
Fine-tune the exact retracted position of a 2513N press or clamp during machine commissioning, using the rear adjuster to perfect the mechanical stop without complex PLC reprogramming.
Variable Assembly Stations
Accommodate multiple part sizes on a single assembly station by adjusting the travel end-point on the fly, leveraging the 80mm bore's high thrust capacity for secure seating.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X230-75 the Right Cylinder?
Select this 80mm bore cylinder when an application demands high thrust combined with variable end-stop positioning. If 2513N of push force at 0.5 MPa exceeds your requirements, stepping down to a 63mm bore yields 1559N, conserving air volume. Conversely, if you need greater clamping power, moving up to a 100mm bore provides 3927N. The generous 75mm adjustment range is ideal for product changeovers on a line, allowing operators to dial in the exact 155-230mm stroke mechanically without adding external stops or changing the cylinder.
When replacing an ISO 15552 cylinder, match the 80mm bore, 230mm nominal stroke, 75mm adjustment, PT tapered port threads, and standard carbon steel rod. Because this is a non-magnetic variant, position sensing via CMSE or DMSE switches is not supported without specifying the -S option. For strokes of 230mm, ensure external guiding is used to prevent excessive rod wear. If true load-holding without live air pressure is required, consider the AirTAC SAIL or BSAI series instead. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ80X230-75 FAQ
At 0.5 MPa operating pressure, this 80mm bore cylinder provides 2513N of push force and 2268N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 513 kgf.
The rear adjuster acts as a mechanical stop that shortens the 230mm nominal stroke by up to 75mm, creating a usable travel window of 155-230mm. It sets the end position but does not lock the load without live air pressure.
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