Airtac SAID50 Double Rod Cylinder SAID50AX25
The AirTAC Airtac SAID50 Double Rod Cylinder SAID50AX25 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø50mm bore and 25mm stroke, G1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ50 mm
- Stroke25 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 30 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 SAID50 Double Rod Cylinder SAID50AX25
The AirTAC SAID50X25 is a double-acting, double-rod ISO 15552 profile cylinder featuring a 50mm bore and 25mm stroke. Because a piston rod exits both end covers, the annulus area is identical on extension and retraction, yielding an equal thrust of 825 N in both directions at 0.5 MPa. The extruded aluminum barrel incorporates sensor grooves on both sides for flexible switch placement.
This unit is configured with a SUS420J2 stainless steel rod (option A) for enhanced corrosion resistance and PT tapered port threads. The through-rod design allows mounting a primary workpiece on one end while attaching a cam, position flag, or secondary mechanism to the rear rod, providing superior anti-rotation guidance compared to a single-rod SAI.
Airtac SAID50 Double Rod Cylinder SAID50AX25 Technical Specifications
| Model | Airtac SAID50 Double Rod Cylinder SAID50AX25 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 25 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| 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, 30 mm |
| Max stroke | Up to 1200 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 (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAID50 Double Rod Cylinder SAID50AX25
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×25 | 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 SAID50 Double Rod Cylinder SAID50AX25 Is Used
Symmetric Force Transfer
Drives a shuttle mechanism where equal push and pull thrust of 825 N at 0.5 MPa is critical for consistent cycle timing in both directions.
Anti-Rotation Slides
The twin-rod design prevents the attached tooling plate from twisting during the short 25mm stroke, ensuring precise linear movement without external guides.
Rear-Rod Cam Actuation
Uses the protruding rear rod to trigger a mechanical limit valve or secondary mechanism, keeping the primary front rod dedicated to the main workpiece.
Is the Airtac SAID50 Double Rod Cylinder SAID50AX25 the Right Cylinder?
Select this 50mm bore cylinder when an application requires symmetric force and speed both ways, offering 825 N at 0.5 MPa or 1154 N at 0.7 MPa. If your mechanism needs less force, step down to the 40mm bore (528 N at 0.5 MPa); if higher thrust is needed, step up to the 63mm bore (1402 N at 0.5 MPa). The twin-rod architecture is specifically chosen over a single-rod SAI when dual-side guidance or rear-rod actuation is required to prevent load rotation.
This model uses PT tapered ports and a G1/4 thread size. It supports mounting accessories Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR). Note that this plain SAID cylinder does not hold its load when air pressure is removed or exhausted; for locking requirements, consider the SAIL or BSAID series. It is dimensionally interchangeable per ISO 15552 standards.
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 SAID50 Double Rod Cylinder SAID50AX25 FAQ
Because the double-rod design subtracts the rod area from both sides of the piston, the force is equal in both directions. It provides 825 N at 0.5 MPa, 1154 N at 0.7 MPa, and 1484 N at 0.9 MPa for both extension and retraction.
Yes, the SAID50X25 is a profile cylinder with an ISO 15552 mounting interface, making it dimensionally interchangeable with other ISO 15552 double-rod cylinders. It uses a G1/4 port and supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts.
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