Airtac SAID200 Double Rod Cylinder SAID200BX275S
The AirTAC Airtac SAID200 Double Rod Cylinder SAID200BX275S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 275mm 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
- Stroke275 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAID200 Double Rod Cylinder SAID200BX275S
The AirTAC SAID200X275-S is a double-acting, double-rod ISO 15552 profile cylinder featuring a 200 mm bore and 275 mm stroke. Because a stainless SUS304 rod exits both ends, the annulus area is identical on each side, yielding an equal 15079 N of force in both extend and retract directions at 0.5 MPa. The -S magnet option enables position sensing using AirTAC CMSE reed or DMSE solid-state switches housed in the dual-side barrel grooves.
Utilizing a twin-rod architecture allows you to mount a primary workpiece on one end and a cam, secondary tool, or position flag on the opposite rear rod. This symmetric setup provides superior anti-rotation guidance and dual-side load control compared to single-rod alternatives. The cylinder operates at 30-500 mm/s, uses PT G3/4 ports, and includes adjustable air cushions at both ends to decelerate the massive 200 mm piston smoothly.
Airtac SAID200 Double Rod Cylinder SAID200BX275S Technical Specifications
| Model | Airtac SAID200 Double Rod Cylinder SAID200BX275S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 275 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 SAID200BX275S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×275 | 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 SAID200BX275S Is Used
Symmetric Transfer
Drives heavy pallets or chassis components with perfectly balanced 15079 N push and pull forces, ensuring consistent cycle times in both directions.
Twin-Station Actuation
Mounts a machining clamp on the front rod end and a part-ejection flag on the rear rod end to operate two sequential workstations from one cylinder.
Anti-Rotation Guidance
Leverages the dual through-rods to keep heavy loads perfectly guided and resistant to torsional twisting during vertical press operations.
Is the Airtac SAID200 Double Rod Cylinder SAID200BX275S the Right Cylinder?
Choose this 200 mm bore when your application demands immense symmetric force, stepping up from the 160 mm bore which provides 9425 N both ways at 0.5 MPa. The double-rod design is specifically selected over a single-rod SAI when the mechanism requires twin-station actuation, rear-rod sensing, or strict resistance to torsional load rotation.
This SAID configuration uses PT G3/4 ports, a SUS304 stainless rod, and the -S magnet for CMSE/DMSE sensors. Mounting options are limited to the ISO 15552 compatible set: Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB/CA/CB/CR). Note that adjustable air cushions only decelerate the piston near stroke end; they do not lock or hold the load. If position holding without live air pressure is required, consider an external pilot-operated check valve, the SAIL lock series, or the BSAID clamp-lock variant. Although 275 mm is under the 1500 mm standard maximum, always verify side-load limits on the large 40 mm rod bearings.
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 SAID200BX275S FAQ
Because the rod occupies both sides of the piston, the effective area is equal in both directions. It delivers 15079 N at 0.5 MPa, 21110 N at 0.7 MPa, and 27141 N at 0.9 MPa for both extend and retract strokes.
As an ISO 15552 profile cylinder, it is dimensionally interchangeable with other ISO 15552 double-rod cylinders. It uses a standard mounting interface and accepts AirTAC CMSE and DMSE sensors via the -S magnet option.
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