
The AirTAC Airtac SAI63 Standard Cylinder SAI63BX75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 75mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
The AirTAC SAI63X75-S is a double-acting ISO 15552 profile cylinder engineered to deliver a push force of 1559 N and a pull force of 1402 N at 0.5 MPa. Its 75 mm stroke is highly effective for short-travel clamping, lifting, and indexing tasks that require rapid, repeatable actuation without occupying excessive machine footprint.
Built with a durable SUS304 stainless steel rod, this version resists corrosion in harsh environments. It includes a piston magnet (-S) for seamless integration with CMSE or DMSE reed switches via the dual-sided sensor groove on the extruded aluminum barrel. The fluid porting utilizes a PT tapered thread design, ensuring a robust, leak-free pneumatic connection.
| Model | Airtac SAI63 Standard Cylinder SAI63BX75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 75 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.
| 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.
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×75 | 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.
Generates 1559 N of clamping force at 0.5 MPa, securely holding workpieces during machining or welding operations within a 75 mm travel range.
Ideal for actuating conveyor diverters and sorting gates, where the integrated magnet enables precise end-of-stroke position confirmation using CMSE sensors.
The SUS304 stainless steel rod withstands moisture and washdowns, making it suitable for food processing or packaging machinery exposed to harsh cleaning agents.
If your application demands less force, stepping down to the 50 mm bore yields 982 N of push force at 0.5 MPa, whereas upgrading to the 80 mm bore provides 2513 N for heavier payloads. The 75 mm stroke keeps the rod fully supported with minimal extension, naturally reducing side-load stress on the rod bearing.
This component is dimensionally interchangeable per ISO 15552, serving as a direct replacement for standard profile cylinders. It features a G3/8 port, an M16x1.5 rod thread, and adjustable air cushions at both ends. Remember that the standard SAI does not hold position upon loss of air pressure; for fail-safe load holding, consider the SAIL locking variant or an external pilot-operated check valve.
Quick checklist
At an operating pressure of 0.5 MPa, the SAI63X75-S generates 1559 N of push force and 1402 N of pull force. At 0.7 MPa, the push force increases to 2182 N.
Yes, the -S suffix indicates this model includes a piston magnet. It is fully compatible with CMSE and DMSE series switches, which mount directly into the standard sensor groove on both sides of the barrel.
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