Airtac SAIJ80 Adjustable Cylinder SAIJ80X230-75S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X230-75S 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 SAIJ80X230-75S
The AirTAC SAIJ80X230-75-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 155 to 230 mm, allowing you to dial back the nominal stroke by up to 75 mm during commissioning without adding external stops. In the 80 mm bore class, it delivers a robust 2513 N of push force at 0.5 MPa and 4523 N at 0.9 MPa, making it well-suited for heavy manipulation tasks.
This unit includes a standard carbon steel rod and a -S magnet for position sensing. The dual-sided sensor grooves accept AirTAC CMSE reed and DMSE electronic solid-state switches for reliable end-of-stroke feedback. It uses a PT tapered G3/8 port and relies on adjustable air cushions at both ends to decelerate the load smoothly.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X230-75S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X230-75S |
|---|---|
| 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 SAIJ80X230-75S
| 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 SAIJ80X230-75S Is Used
Machine Changeover Fine-Tuning
Leverage the 155-230 mm travel window to precisely set retract positions when switching product sizes on a packaging line, eliminating the need to physically swap cylinders.
Heavy Pressing Operations
Utilize the 4523 N push force at 0.9 MPa for firm pressing and forming tasks, using the rear stopper to dial in the exact end-of-stroke contact depth.
Adjustable End-Stop Positioning
Replace fixed external stops with the integrated 75 mm adjuster to vary the end-of-stroke location dynamically during machine setup and commissioning.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X230-75S the Right Cylinder?
Select this 80 mm bore cylinder when your application requires substantial force, stepping up from a 63 mm bore that provides 1559 N at 0.5 MPa, or when you need a wider adjustment band than a smaller adjuster code offers. The 75 mm adjustment range is ideal for product-size changeovers on a line, letting operators fine-tune the retract end-position quickly. For fixed-position tasks without the need for variable stops, the standard SAI cylinder is a simpler alternative.
When replacing an ISO 15552 cylinder, match the 80 mm bore, 230 mm stroke, 75 mm adjustment range, PT G3/8 port, and the -S magnet option. Because the stroke is 230 mm, ensure adequate guidance for long unsupported loads, as the 25 mm rod and M20x1.5 thread can only handle limited side loading. Remember that the rear adjuster is a travel stop, not a locking device; if the machine loses air pressure, the cylinder will not hold its load. For true fail-safe load holding without live air, consider the SAIL pneumatic lock or BSAI clamp-lock series. 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 SAIJ80X230-75S FAQ
This 80 mm bore cylinder provides 2513 N of push force and 2268 N of pull force at 0.5 MPa. At the maximum operating pressure of 0.9 MPa, it delivers 4523 N of push force.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective stroke from 230 mm down to 155 mm. It sets the travel end and decelerates the load via the air cushion, but it does not lock the position without live air pressure.
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