Airtac SAID63 Double Rod Cylinder SAID63X75S
The AirTAC Airtac SAID63 Double Rod Cylinder SAID63X75S 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.
- BoreØ63 mm
- Stroke75 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
- No minimum order. A single piece can be ordered.
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About the Airtac SAID63 Double Rod Cylinder SAID63X75S
The AirTAC SAID63X75-S is a double-acting, double-rod ISO 15552 profile cylinder featuring a 63mm bore and 75mm stroke. Because a rod exits both end covers, the annulus area is identical on the extend and retract sides, yielding an equal force of 1402 N in each direction at 0.5 MPa. The integrated -S magnet allows seamless position tracking using AirTAC CMSE reed or DMSE solid-state switches mounted in the dual sensor grooves.
This through-rod configuration lets you mount the primary workpiece on one end and attach a position flag, cam, or secondary mechanism on the rear rod. It provides superior anti-rotation guidance compared to a single-rod SAI. The standard carbon steel rod handles robust loads, while adjustable air cushions at both ends ensure smooth deceleration.
Airtac SAID63 Double Rod Cylinder SAID63X75S Technical Specifications
| Model | Airtac SAID63 Double Rod Cylinder SAID63X75S |
|---|---|
| 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.
Theoretical Output Force (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1402 N | 1402 N |
| 0.7 MPa | 1962 N | — |
| Max (@1.0 MPa) | 286 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAID63 Double Rod Cylinder SAID63X75S
| 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.
Where the Airtac SAID63 Double Rod Cylinder SAID63X75S Is Used
Symmetric Transfer
Drives a transfer shuttle with equal push and pull forces, ensuring consistent timing in both directions without speed drift.
Anti-Rotation Slide
Uses the twin-rod structure to guide a heavy vertical slide, preventing torsional twist and maintaining precise alignment.
Rear-Cam Actuation
Mounts the main tool on the front rod while the rear rod drives a cam or limit flag to trigger external sequence valves.
Is the Airtac SAID63 Double Rod Cylinder SAID63X75S the Right Cylinder?
Choose this 63mm bore when an application demands symmetrical force and speed both ways, requiring 1402 N at 0.5 MPa. If your mechanism needs less force, step down to the 50mm bore (825 N); if you need more push or pull, step up to the 80mm bore (2268 N). The double-rod design is selected over a single-rod SAI when twin-station actuation or rear-rod sensing is required.
This cylinder is dimensionally interchangeable per ISO 15552, making it a direct replacement for other ISO 15552 double-rod cylinders. It uses a PT tapered G3/8 port and supports mountings Basic, FA, LB, TC, FTC, TCM1, and TCM2. Note that the adjustable air cushion only decelerates the piston near stroke end; it does not hold a load. If position holding without live pressure is needed, use a SAIL lock, BSAID clamp-lock, or an external rod lock.
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 SAID63 Double Rod Cylinder SAID63X75S FAQ
The double-rod design provides equal force in both directions. It delivers 1402 N at 0.5 MPa, 1962 N at 0.7 MPa, and 2523 N at 0.9 MPa for both extend and retract strokes.
Yes, the SAID63X75-S is dimensionally interchangeable per ISO 15552. It serves as a direct replacement for other ISO 15552 double-rod cylinders, using the same mounting footprint and G3/8 ports.
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