Airtac SAID80 Double Rod Cylinder SAID80BX225S
The AirTAC Airtac SAID80 Double Rod Cylinder SAID80BX225S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 225mm 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
- Stroke225 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 SAID80BX225S
The AirTAC SAID80X225-S is a double-acting, double-rod ISO 15552 profile cylinder featuring a 80 mm bore and a 225 mm non-standard stroke. Because the piston rod extends from both end covers, the annulus area is identical on both sides. This yields exactly 2268 N of thrust and pull force at 0.5 MPa, ensuring perfectly symmetric speed and power in both directions. The -S suffix indicates an integrated magnet for position sensing.
This variant uses SUS304 stainless steel for both rods, offering superior corrosion resistance for harsh or washdown environments. The extruded aluminum barrel includes sensor grooves on both sides, allowing you to mount CMSE reed or DMSE electronic switches on either end. A rear rod can drive a secondary mechanism or hold a cam, while adjustable air cushions at 36 mm decelerate the piston smoothly at stroke ends.
Airtac SAID80 Double Rod Cylinder SAID80BX225S Technical Specifications
| Model | Airtac SAID80 Double Rod Cylinder SAID80BX225S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 225 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 SAID80BX225S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×225 | 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 SAID80BX225S Is Used
Symmetric Force Transfer
Equal annulus area on both sides provides identical push and pull forces, ideal for shuttle systems requiring perfectly balanced bi-directional motion.
Anti-Rotation Slides
The twin-rod configuration inherently resists torsional twist, guiding external loads smoothly without the need for additional external linear bearings.
Through-Rod Sensing
The rear protruding rod can mount a secondary cam or flag, triggering CMSE or DMSE sensors on the back cover to confirm end-of-stroke position.
Is the Airtac SAID80 Double Rod Cylinder SAID80BX225S the Right Cylinder?
Select this 80 mm bore when you need balanced both-way force around 2268 N at 0.5 MPa. If your application requires less force, step down to the 63 mm bore offering 1402 N; if you need more, the 100 mm bore provides 3681 N. The double-rod design is chosen over a single-rod SAI when the mechanism demands anti-rotation guidance, dual-station actuation, or rear-rod position sensing. This specific 225 mm stroke is a non-standard made-to-order length, so expect a longer lead time.
As a true ISO 15552 profile cylinder, it is dimensionally interchangeable with other ISO 15552 double-rod cylinders without relying on specific brand cross-references. It uses a PT G3/8 port and supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mountings. Note that the adjustable air cushion only decelerates the piston near stroke end; it does not hold a load. If the load must be maintained without live air pressure, use an external rod lock or pilot-operated check valve. Because the stroke is 225 mm, ensure the external load is guided to prevent rod-bearing bending under side loads.
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 SAID80BX225S 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.
No, the adjustable air cushion only decelerates the piston near the stroke end and does not act as a brake. If the application requires position holding without live pressure, an external rod lock or a related AirTAC locking cylinder like BSAID is required.
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