Airtac SAI63 Standard Cylinder SAI63AX750
The AirTAC Airtac SAI63 Standard Cylinder SAI63AX750 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 750mm 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
- Stroke750 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAI63 Standard Cylinder SAI63AX750
The AirTAC SAI63X750 is a double-acting ISO 15552 profile cylinder engineered to deliver a push force of 1559 N at 0.5 MPa. With its 750 mm stroke, this extruded aluminum barrel unit is purpose-built for handling components over extended distances on automated lines.
This specific configuration features a SUS420J2 stainless steel piston rod (material code A) for enhanced corrosion resistance compared to standard carbon steel. It utilizes PT tapered port threads and, because it lacks the -S magnet suffix, it does not include internal sensor magnets.
Airtac SAI63 Standard Cylinder SAI63AX750 Technical Specifications
| Model | Airtac SAI63 Standard Cylinder SAI63AX750 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 750 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 SAI63 Standard Cylinder SAI63AX750
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×750 | 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 SAI63 Standard Cylinder SAI63AX750 Is Used
Extended Transfer Lines
Pushes workpieces between machinery stations across a 750 mm gap, utilizing the 1559 N force at 0.5 MPa to move moderate loads smoothly.
Long-Reach Diverting
Actuates diverter arms on sorting conveyors where a lengthy stroke is required to re-route packages into secondary chutes.
Large Door Actuation
Opens and closes heavy equipment safety doors or machine guards, relying on the SUS420J2 stainless steel rod to resist environmental wear.
Is the Airtac SAI63 Standard Cylinder SAI63AX750 the Right Cylinder?
If your application requires less extension force, stepping down to a 50 mm bore drops the 0.5 MPa push force to 982 N while saving space. Conversely, upgrading to an 80 mm bore increases the 0.5 MPa push force to 2513 N for heavier payloads.
Because this 750 mm stroke creates a long unsupported rod extension, you must manage side-load risks to prevent rod-bearing bending. Utilize an external guide rail or select a guided cylinder to absorb lateral forces. Note that air pressure is required to hold loads; if pneumatic pressure drops, the piston will drift. For dead-load holding, integrate an external pilot-operated check valve or specify the SAIL lock variant. As a true ISO 15552 profile cylinder, it serves as a drop-in replacement for any standard 63 mm bore, 750 mm stroke, G3/8 port configuration using standard FA, LB, or TC mountings.
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 SAI63 Standard Cylinder SAI63AX750 FAQ
At an operating pressure of 0.5 MPa, this 63 mm bore cylinder provides a push force of 1559 N and a pull force of 1402 N. At 0.7 MPa, the push force increases to 2182 N.
Yes, the SAI63X750 is dimensionally interchangeable per ISO 15552. You can drop it in as a replacement for other standard profile cylinders with a 63 mm bore, 750 mm stroke, and G3/8 ports, using standard mounting accessories.
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