Airtac SAID125 Double Rod Cylinder SAID125AX145
The AirTAC Airtac SAID125 Double Rod Cylinder SAID125AX145 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø125mm bore and 145mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ125 mm
- Stroke145 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 40 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 SAID125 Double Rod Cylinder SAID125AX145
The AirTAC SAID125X145 is a double-acting, double-rod ISO 15552 profile cylinder featuring a 125mm bore and 145mm stroke. Because the piston rod exits both end covers, the annulus area is identical on extend and retract. This yields exactly 5734N of force in both directions at 0.5MPa, ensuring perfectly symmetric speed and thrust for demanding transfer operations.
This specific configuration utilizes a SUS420J2 stainless steel rod for superior corrosion resistance and PT tapered port threads for a reliable pneumatic seal. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting, while the adjustable air cushions at both ends absorb kinetic energy near stroke extremes.
Airtac SAID125 Double Rod Cylinder SAID125AX145 Technical Specifications
| Model | Airtac SAID125 Double Rod Cylinder SAID125AX145 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 145 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M27×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 40 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 (Ø125mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 6136 N | 5734 N |
| 0.7 MPa | 8590 N | — |
| Max (@1.0 MPa) | 1251 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAID125 Double Rod Cylinder SAID125AX145
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×145 | 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 SAID125 Double Rod Cylinder SAID125AX145 Is Used
Symmetric Transfer Units
Drives heavy-duty transfer carriages where equal push and pull forces prevent motor stall or uneven acceleration across the stroke.
Anti-Rotation Slides
Twin rods exiting both ends keep the load perfectly guided and prevent torsional twisting during vertical lifting motions.
Dual-Station Actuation
Mounts a primary workpiece on the front rod and a secondary tooling cam or flag on the rear rod to sequence adjacent mechanisms.
Is the Airtac SAID125 Double Rod Cylinder SAID125AX145 the Right Cylinder?
Choose this 125mm bore when an application requires balanced thrust both ways, as it generates 5734N at 0.5MPa and 8028N at 0.7MPa in either direction. Stepping down to a 100mm bore drops the both-way force to 3681N, while upgrading to a 160mm bore provides 9425N. The twin-rod architecture is selected over a single-rod SAI when the mechanism needs dual-side guidance to prevent rotation, or requires a rear rod extension to mount a secondary cam or position flag.
This model uses PT ports and lacks a magnet, so external proximity sensors cannot be used. It supports the reduced SAID mounting set: Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR accessories found on single-rod variants. Note that a plain SAID does not hold its position if air pressure is lost; use a BSAID clamp-lock or external pilot-operated check valve for load holding. At a 145mm stroke, the rod bearing handles side loads well, but longer unsupported strokes require an external guide.
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 SAID125 Double Rod Cylinder SAID125AX145 FAQ
Because the rod occupies both sides of the piston, the effective area is equal in both directions. It provides 5734N of force at 0.5MPa, 8028N at 0.7MPa, and 10321N at 0.9MPa for both extend and retract strokes.
Yes, the SAID125X145 is dimensionally interchangeable per ISO 15552 standards. It serves as a drop-in replacement for other ISO 15552 double-rod profile cylinders, matching the standard mounting interface and footprint.
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Standard models are processed and dispatched in 3-5 business days.
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