Airtac SAI63 Standard Cylinder SAI63X700
The AirTAC Airtac SAI63 Standard Cylinder SAI63X700 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 700mm 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
- Stroke700 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAI63 Standard Cylinder SAI63X700
The AirTAC SAI63X700 is a double-acting ISO 15552 profile cylinder engineered for demanding linear motion tasks. Delivering a robust push force of 1559 N at 0.5 MPa and 2182 N at 0.7 MPa, this 63 mm bore unit is built to handle substantial workloads across its 700 mm stroke.
This model features a standard carbon steel piston rod and PT tapered port threads. The extruded aluminum barrel incorporates sensor grooves on both sides, allowing for straightforward position feedback when paired with a compatible magnet option. For high-temperature environments up to +70 C, the standard TPU seals provide reliable service, though Viton alternatives exist for more extreme thermal demands.
Airtac SAI63 Standard Cylinder SAI63X700 Technical Specifications
| Model | Airtac SAI63 Standard Cylinder SAI63X700 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 700 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 SAI63X700
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×700 | 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 SAI63X700 Is Used
Long-Stroke Material Transfer
Ideal for pushing heavy pallets or workpieces across a 700 mm gap on a production line, utilizing its 2182 N of thrust at 0.7 MPa to overcome friction.
Automated Storage Retrieval
Excels in vertical lifting mechanisms for automated storage systems, where the 63 mm bore provides the necessary lifting force for moderate payload tiers.
Large Component Indexing
Used to index heavy automotive or industrial components into machining centers, benefiting from the adjustable air cushions at both ends to decelerate the mass smoothly.
Is the Airtac SAI63 Standard Cylinder SAI63X700 the Right Cylinder?
Selecting this 63 mm bore over a smaller 50 mm option provides a significant force upgrade, stepping up from 982 N to 1559 N at 0.5 MPa. If your application requires less thrust, stepping down to the 50 mm bore saves space and air consumption. At 700 mm of travel, the unsupported piston rod is highly susceptible to bending under side loads; utilizing an external guide rail or a guided cylinder module is strongly recommended to prevent premature rod-bearing wear.
This unit is dimensionally interchangeable per ISO 15552, serving as a drop-in replacement for other standard profile cylinders with identical 63 mm bores, 700 mm strokes, G3/8 ports, and standard mounting accessories like FA flanges or TC trunnions. Note that a standard SAI cylinder relies on continuous air pressure to maintain its position; if the air is exhausted, the load will drift. For fail-safe holding, consider the SAIL variant with an air-released lock or an external pilot-operated check valve.
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 SAI63X700 FAQ
The SAI63X700 generates a push force of 1559 N at 0.5 MPa and 2182 N at 0.7 MPa. The pull force is slightly lower at 1402 N at 0.5 MPa due to the rod displacement.
Yes, the SAI63X700 is a true ISO 15552 profile cylinder. Its mounting dimensions are standardized, meaning it serves as a drop-in replacement for other ISO 15552 cylinders with matching 63 mm bore, 700 mm stroke, and G3/8 port specifications.
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