Airtac SAID200 Double Rod Cylinder SAID200BX270
The AirTAC Airtac SAID200 Double Rod Cylinder SAID200BX270 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 270mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ200 mm
- Stroke270 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAID200 Double Rod Cylinder SAID200BX270
The AirTAC SAID200X270 is a double-acting, double-rod ISO 15552 profile cylinder engineered for heavy-duty symmetrical motion. Because the piston rod exits both end covers, the annulus area is identical on both sides, yielding an equal extend and retract force of 15079 N at 0.5 MPa. This through-rod architecture is ideal for driving twin loads or mounting a rear cam alongside the primary tool.
This specific configuration features SUS304 stainless steel rods for superior corrosion resistance and utilizes PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, though this unit ships without a magnet, relying on external rear-rod flags for position feedback.
Airtac SAID200 Double Rod Cylinder SAID200BX270 Technical Specifications
| Model | Airtac SAID200 Double Rod Cylinder SAID200BX270 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 270 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2 |
| 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, 50 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 (Ø200mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 15708 N | 15080 N |
| 0.7 MPa | 21991 N | — |
| Max (@1.0 MPa) | 3204 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAID200 Double Rod Cylinder SAID200BX270
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×270 | 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 SAID200 Double Rod Cylinder SAID200BX270 Is Used
Symmetric Force Transfer
Drives heavy workpieces with identical 15079 N push and pull forces, ensuring consistent clamping and pressing speeds regardless of travel direction.
Twin-Station Actuation
Uses the through-rod design to operate a secondary mechanism or tool from the rear end cover while the primary load remains mounted on the front.
Anti-Rotation Slides
Keeps heavy loads guided against rotation better than a single rod, utilizing the dual-ended piston rod architecture for precise linear movement.
Is the Airtac SAID200 Double Rod Cylinder SAID200BX270 the Right Cylinder?
Selecting this 200 mm bore model is necessary when an application demands substantial equal bidirectional force, stepping up from a 160 mm bore that provides 9425 N at 0.5 MPa. A double-rod design is chosen over a single-rod SAI when the mechanism requires dual-side guidance to prevent rotation or needs to actuate a secondary mechanism from the rear. For this 270 mm stroke, the 40 mm rod diameter handles high side loads, but an external guide rail is still recommended to prevent rod-bearing bending.
As a true ISO 15552 profile cylinder, it serves as a drop-in dimensional replacement for other ISO 15552 double-rod cylinders. Ensure your setup accommodates the longer overall length required for the rear rod protrusion, and note that this unit lacks a piston magnet. If the load must be held without live air pressure, this standard cylinder will drift; consider a BSAID clamp-lock variant or an external pilot-operated check valve. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAID200 Double Rod Cylinder SAID200BX270 FAQ
Because it is a double-rod cylinder, the effective piston area is the same on both sides. It provides an equal extend and retract force of 15079 N at 0.5 MPa, 21110 N at 0.7 MPa, and 27141 N at 0.9 MPa.
Yes, the SAID200X270 is dimensionally interchangeable per ISO 15552 mounting interface dimensions. It uses a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR styles found on single-rod variants.
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