Airtac SAI63 Standard Cylinder SAI63AX30S
The AirTAC Airtac SAI63 Standard Cylinder SAI63AX30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 30mm 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
- Stroke30 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAI63 Standard Cylinder SAI63AX30S
The AirTAC SAI63X30-S is a double-acting ISO 15552 profile cylinder engineered for compact, high-force actuation. Delivering a push force of 1559 N at 0.5 MPa, this 63 mm bore unit is tailored for short-stroke clamping and ejecting tasks. The 30 mm stroke minimizes overall extension length while retaining full standard mounting dimensions.
This specific configuration includes a piston magnet (-S) for direct compatibility with CMSE and DMSE sensor switches, which seat cleanly into the dual extruded grooves on the aluminum barrel. It is built with an SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance and features PT tapered port threads.
Airtac SAI63 Standard Cylinder SAI63AX30S Technical Specifications
| Model | Airtac SAI63 Standard Cylinder SAI63AX30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 30 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 SAI63AX30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×30 | 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 SAI63AX30S Is Used
Short-Stroke Clamping
Ideal for securing heavy workpieces in machining fixtures where a 1559 N clamping force is required within a minimal 30 mm extension envelope.
Part Ejection
Provides robust ejection force in automated assembly lines, quickly pushing completed components out of the workstation using its 1402 N pull force.
Diversion Stops
Acts as a high-strength stopper arm on conveyor systems, utilizing the integrated magnet and CMSE sensors to confirm rod position for the PLC.
Is the Airtac SAI63 Standard Cylinder SAI63AX30S the Right Cylinder?
Select this 63 mm bore when an application demands more muscle than a 50 mm cylinder (982 N push at 0.5 MPa) without stepping up to the larger 80 mm footprint (2513 N at 0.5 MPa). The brief 30 mm stroke is optimal for tight spaces where a longer extension would cause mechanical interference. Because the stroke is short, side-load stress on the rod bearing is minimal compared to longer units.
This model is dimensionally interchangeable per ISO 15552, serving as a drop-in replacement for other standard profile cylinders. To match this exact configuration, specify the 63 mm bore, 30 mm stroke, G3/8 PT ports, and the -S magnet option. Note that a standard SAI relies on continuous air pressure to move; it will not hold a load if pressure is lost. For position holding, consider the SAIL or BSAI locking variants.
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 SAI63AX30S FAQ
At an operating pressure of 0.5 MPa, this 63 mm bore cylinder generates 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 SAI63X30-S is a genuine ISO 15552 profile cylinder, making its mounting dimensions fully interchangeable with other ISO 15552 standard cylinders of the same bore and stroke. Ensure you match the G3/8 PT ports and mounting accessories.
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