Airtac SAID80 Double Rod Cylinder SAID80BX50S
The AirTAC Airtac SAID80 Double Rod Cylinder SAID80BX50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 50mm 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
- Stroke50 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 SAID80BX50S
The AirTAC SAID80X50-S is a double-acting, double-rod ISO 15552 profile cylinder. Because a SUS304 stainless rod exits both end covers, the annulus area is identical on the extend and retract sides. This yields exactly 2268 N of force at 0.5 MPa in both directions, ensuring perfectly symmetric speed and thrust for demanding transfer tasks.
The -S suffix adds a piston magnet for position sensing via AirTAC CMSE (reed) and DMSE (solid-state) switches, which ride cleanly in the dual sensor grooves on the aluminum barrel. Its PT tapered ports measure G3/8, and the rear rod end is perfect for mounting a cam or limit flag to trigger those sensors.
Airtac SAID80 Double Rod Cylinder SAID80BX50S Technical Specifications
| Model | Airtac SAID80 Double Rod Cylinder SAID80BX50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 50 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 SAID80BX50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×50 | 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 SAID80BX50S Is Used
Symmetric Transfer
Drives a workpiece on one end and a counterweight on the other, using the equal 2268 N both-way thrust to maintain perfectly balanced motion.
Twin-Station Actuation
Uses the through-rod design to actuate two separate mechanisms simultaneously from one 80mm piston, ensuring they move in exact opposition.
Anti-Rotation Slides
Leverages the dual-ended rod to guide heavy loads against rotational torque, preventing binding in precision sliding fixtures.
Is the Airtac SAID80 Double Rod Cylinder SAID80BX50S the Right Cylinder?
Select this 80mm bore when an application requires equal push and pull forces (2268 N each way at 0.5 MPa) and superior anti-rotation guidance. Stepping down to a 63mm bore yields 1402 N both ways, while moving up to 100mm provides 3681 N. Choose the SAID double-rod over a single-rod SAI when you need to drive a secondary mechanism or mount a sensor flag on the opposite end. As a true ISO 15552 profile cylinder, it drops in as a dimensionally interchangeable replacement for other ISO 15552 double-rod units.
Specify the 50mm stroke, G3/8 PT ports, and SUS304 stainless rod for corrosion resistance. Note that a plain SAID does not hold a load if air pressure drops; use a SAIL or BSAID lock variant if fail-safe holding is required. Since this is a short 50mm stroke, side-load stress on the rod bearing is minimal, but long unsupported strokes should always use 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 SAID80 Double Rod Cylinder SAID80BX50S FAQ
Because the rod occupies both sides of the piston, the effective area is equal in both directions. It provides 2268 N at 0.5 MPa, 3175 N at 0.7 MPa, and 4082 N at 0.9 MPa for both extending and retracting.
Yes, it uses the standard ISO 15552 profile interface. The SAID series supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, but omits the FB, CA, CB, and CR brackets found on single-rod variants.
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