Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX230-20S
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX230-20S 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 SAIJ63AX230-20S
The AirTAC SAIJ63X230-20-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 210 to 230 mm. Delivering a push force of 2182 N at 0.7 MPa, it handles robust actuation while allowing you to dial in the exact retract end-position during commissioning. The extruded aluminum barrel features sensor grooves on both sides for straightforward detection integration.
This variant includes a piston magnet for use with CMSE reed and DMSE electronic solid-state sensors. It uses a SUS420J2 stainless steel rod (option A) for improved corrosion resistance and features PT tapered port threads (G3/8). The rear adjustment screw functions purely as a travel stop to decelerate the stroke; it does not hold the load without live air pressure, so applications requiring dead-man positioning should utilize a SAIL or BSAI locking cylinder.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX230-20S Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX230-20S |
|---|---|
| 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 SAIJ63AX230-20S
| 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 SAIJ63AX230-20S Is Used
Machine Setup Calibration
Fine-tune the 210-230 mm travel window during initial commissioning to perfectly align tooling without physically swapping out cylinders or machining external stop blocks.
Product Changeover
Quickly adapt the retract end-stop on a packaging line when handling slightly shorter product lengths, minimizing downtime between production runs.
Precision End-Positioning
Dial in the exact retract distance for a clamping or pressing operation, using the rear screw to absorb final position variations within the 20 mm range.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX230-20S the Right Cylinder?
Choose this 63 mm bore if your application requires around 2182 N of push force at 0.7 MPa, stepping up from a 50 mm bore that provides 1374 N. The adjustable 20 mm window is ideal for product changeovers on a line, letting you fine-tune the retract distance without adding external stops or swapping out a fixed-stroke SAI cylinder. For any 230 mm stroke, ensure your external guide supports the load, as the 20 mm rod diameter and M16x1.5 thread handle side loads but do not eliminate the need for guided tooling.
When replacing an ISO 15552 cylinder, match the 63 mm bore, 230 mm nominal stroke, 20 mm adjustment, PT G3/8 port, and the -S magnet. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting the FB, CA, CB, and CR mounts found on other series. Operating speed ranges from 30 to 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 SAIJ63AX230-20S FAQ
At 0.7 MPa operating pressure, this 63 mm bore cylinder provides a push force of 2182 N and a pull force of 1402 N. It can deliver up to 318 kgf at its maximum 1.0 MPa pressure.
The rear adjuster screw allows you to shorten the effective stroke by up to 20 mm from the 230 mm nominal length, providing a usable travel window of 210 to 230 mm. This stopper fine-tunes the end position but does not lock the load without continuous air pressure.
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