Airtac SAID80 Double Rod Cylinder SAID80AX155
The AirTAC Airtac SAID80 Double Rod Cylinder SAID80AX155 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 155mm 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.
- BoreØ80 mm
- Stroke155 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- 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 SAID80 Double Rod Cylinder SAID80AX155
The AirTAC SAID80X155 is a double-acting, double-rod ISO 15552 profile cylinder engineered for applications demanding equal force and speed in both directions. Because a rod exits both ends, the annulus area is identical on extend and retract, yielding a consistent 2268 N output at 0.5 MPa either way. The extruded aluminum barrel features sensor grooves on both sides for flexible switch mounting.
Configured with a SUS420J2 stainless steel rod (material code A) and PT tapered port threads, this 80mm bore variant provides robust corrosion resistance and a secure fluid connection. The rear rod protrusion is ideal for mounting a position flag, cam, or secondary mechanism, while the twin-rod design inherently resists piston rotation. Adjustable air cushions at both ends absorb impact energy near stroke limits.
Airtac SAID80 Double Rod Cylinder SAID80AX155 Technical Specifications
| Model | Airtac SAID80 Double Rod Cylinder SAID80AX155 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 155 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M20×1.5 |
| 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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAID80 Double Rod Cylinder SAID80AX155
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×155 | 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 SAID80 Double Rod Cylinder SAID80AX155 Is Used
Symmetric Force Transfer
Ideal for mechanisms requiring identical push and pull forces, ensuring stable momentum transfer without the speed disparities common to single-rod cylinders.
Anti-Rotation Slides
The twin-rod architecture prevents piston roll, providing precise linear guidance for indexing or lifting heavy workpieces without twisting.
Rear-Rod Sensing
Mount a cam or position flag on the rear rod extension to trigger external limit switches or drive a secondary mechanism independently.
Is the Airtac SAID80 Double Rod Cylinder SAID80AX155 the Right Cylinder?
Select this 80mm bore when an application requires balanced push/pull dynamics or dual-side actuation that a single-rod SAI cannot provide. If your project needs less force, stepping down to the 63mm bore yields 1402 N at 0.5 MPa; moving up to the 100mm bore provides 3681 N. Remember that a plain SAID does not hold its load if air pressure drops; for fail-safe holding, consider the SAIL or BSAID clamp-lock variants.
This 155mm stroke is a standard made-to-order length. With a 25mm rod and M20x1.5 thread, it handles moderate side loads, but because the stroke is under 300mm, external guidance is only necessary for heavy off-center loads. It is dimensionally interchangeable per ISO 15552, using the reduced SAID mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omitting FB, CA, CB, and CR.
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 SAID80 Double Rod Cylinder SAID80AX155 FAQ
Because it is a double-rod cylinder, the effective area is the same on both sides. It delivers 2268 N of force in both extend and retract directions at 0.5 MPa, and 3175 N at 0.7 MPa.
Yes, it is dimensionally interchangeable with ISO 15552 profile cylinders. However, SAID uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits the FB, CA, CB, and CR brackets found on single-rod versions.
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