Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX230-75S
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX230-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm 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.
- BoreØ63 mm
- Stroke230 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX230-75S
The AirTAC SAIJ63X230-75-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that permits precise end-position tuning without external stops. It provides a usable travel window of 155 to 230 mm, enabling rapid machine changeovers across varying product sizes. The 63 mm bore delivers 2182 N of push force at 0.7 MPa, placing it in a robust mid-range thrust class suitable for demanding industrial actuation.
This variant integrates a piston magnet for compatibility with AirTAC CMSE reed and DMSE electronic sensors, which seat directly into the dual-side extruded aluminum barrel grooves. It is configured with a SUS420J2 stainless steel rod for enhanced corrosion resistance and utilizes PT tapered port threads. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, deliberately omitting FB, CA, CB, and CR brackets.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX230-75S Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX230-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 230 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M16×1.5 |
| 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 (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1402 N |
| 0.7 MPa | 2182 N | — |
| Max (@1.0 MPa) | 318 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX230-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | 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 SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX230-75S Is Used
Variable End-Stop Tuning
Dial in the exact retraction point between 155 and 230 mm during machine commissioning to accommodate different material thicknesses without adding physical shims.
Product Changeover
Quickly adjust the stroke length on packaging lines when switching between box sizes, leveraging the 75 mm adjustment range to maintain production pacing.
Sensor-Ready Actuation
Utilize the integrated magnet with DMSE electronic sensors in the dual barrel grooves to confirm end-of-stroke positions for automated sequencing.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX230-75S the Right Cylinder?
Select this 63 mm bore adjustable-stroke cylinder when an application requires variable end-stops rather than a fixed 230 mm stroke, saving the cost of swapping entire actuators during commissioning. If your project demands less thrust, stepping down to a 50 mm bore yields 1374 N of push force at 0.5 MPa; if more force is needed, stepping up to an 80 mm bore provides 3518 N at 0.7 MPa. Remember that the rear adjuster acts solely as a travel stop and does not hold the load without live air pressure; for true load-holding, consider an external pilot-operated check valve or the SAIL lock series.
Because the 230 mm stroke approaches the mid-to-high travel range for this bore size, always guide the load externally to prevent side-loading on the M16x1.5 rod thread. For an exact ISO 15552 replacement, match the 63 mm bore, 230 mm nominal stroke, 75 mm adjustment range, PT port threads, and the -S magnet requirement. The cylinder operates reliably at speeds between 30 and 800 mm/s.
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 SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX230-75S FAQ
At a standard operating pressure of 0.7 MPa, this 63 mm bore cylinder generates 2182 N of push force and 1402 N of pull force. It can deliver up to 2805 N of push force at its maximum rated pressure of 1.0 MPa.
The rear adjusting screw allows you to shorten the effective stroke by up to 75 mm from the 230 mm nominal length, creating a usable travel window of 155 to 230 mm. The adjuster functions as a mechanical stop for end-position tuning and does not lock the load without continuous air pressure.
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