Airtac SAI63 Standard Cylinder SAI63BX120S
The AirTAC SAI63 Standard Cylinder SAI63BX120S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 120mm 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.
- BoreØ63 mm
- Stroke120 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAI63 Standard Cylinder SAI63BX120S
The AirTAC SAI63X120-S is a double-acting ISO 15552 profile cylinder engineered to deliver 1559 N of push force at 0.5 MPa. Its 120 mm stroke provides a balanced mid-range motion envelope, while the extruded aluminum barrel omits tie-rods for a clean, modern exterior. This specific configuration includes a SUS304 stainless steel piston rod, making it highly suitable for environments where corrosion resistance is a priority.
Because this variant carries the -S magnet option, it seamlessly integrates with CMSE and DMSE reed switches. The unit features PT tapered port threads and dual sensor grooves machined into the barrel profile, allowing flexible mounting of position-sensing electronics on either side.
Airtac SAI63 Standard Cylinder SAI63BX120S Technical Specifications
| Model | Airtac SAI63 Standard Cylinder SAI63BX120S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 120 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 SAI63BX120S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×120 | 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 SAI63BX120S Is Used
Stainless Rod Clamping
The SUS304 rod provides excellent moisture resistance for clamping machined components in humid or washdown manufacturing cells.
Mid-Stroke Diverting
A 120 mm stroke is optimal for actuating diverter arms on packaging lines, pushing products cleanly between parallel conveyor belts.
Sensor-Ready Gating
The integrated -S magnet allows CMSE switches to confirm gate positions in automated assembly machinery reliably.
Is the Airtac SAI63 Standard Cylinder SAI63BX120S the Right Cylinder?
Selecting this 63 mm bore over the smaller 50 mm variant upgrades your push force from 982 N to 1559 N at 0.5 MPa, providing a substantial margin for heavier payloads. If your application requires less energy, dropping to the 50 mm bore optimizes air consumption. This model features a G3/8 port and an M16x1.5 rod thread.
For applications requiring position holding without continuous air pressure, note that the standard adjustable air cushions only decelerate the piston near the stroke ends. To securely hold a suspended load, consider pairing this cylinder with the SAIL (air-released lock) variant or an external rod lock. As a true ISO 15552 profile cylinder, it serves as a direct dimensional direct replacement for any compliant ISO 15552 unit.
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 SAI63BX120S FAQ
At an operating pressure of 0.5 MPa, this 63 mm bore double-acting cylinder generates 1559 N of push force and 1402 N of pull force.
Yes, the SAI63X120-S is a genuine ISO 15552 profile cylinder. It is dimensionally interchangeable with other ISO 15552 standard cylinders using the same 63 mm bore and 120 mm stroke.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models are processed and dispatched in 3-5 business days.
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