Airtac SAID200 Double Rod Cylinder SAID200BX290S
The AirTAC Airtac SAID200 Double Rod Cylinder SAID200BX290S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 290mm 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
- Stroke290 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAID200 Double Rod Cylinder SAID200BX290S
The AirTAC SAID200X290-S 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 effective annulus area is identical on extend and retract. This yields exactly 15079 N of output force in both directions at 0.5 MPa, eliminating the speed and force mismatch found in single-rod units. The stroke of 290 mm sits comfortably within the 1500 mm standard limit for this bore.
This specific configuration features SUS304 stainless steel rods (material code B) for superior corrosion resistance, making it ideal for harsh environments. The integrated magnet (-S) allows precise position detection using AirTAC CMSE reed switches or DMSE solid-state electronic sensors mounted in the dual-side extruded barrel grooves. Fluid supply arrives via PT G3/4 ports, and adjustable air cushions at both ends absorb kinetic energy at stroke completion.
Airtac SAID200 Double Rod Cylinder SAID200BX290S Technical Specifications
| Model | Airtac SAID200 Double Rod Cylinder SAID200BX290S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 290 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 SAID200BX290S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×290 | 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 SAID200BX290S Is Used
Symmetric Pressing
Utilizes the equal 15079 N extend and retract forces to drive high-tonnage stamping or forming presses with consistent power in both motion directions.
Twin-Station Transfer
Mounts a workpiece on the front rod and a synchronized cam or position flag on the rear rod to operate two separate machine stations simultaneously.
Anti-Rotation Slides
Leverages the dual-rod guidance to prevent mechanical twist and maintain precise alignment on heavy linear slides subject to offset loads.
Is the Airtac SAID200 Double Rod Cylinder SAID200BX290S the Right Cylinder?
Selecting this 200 mm bore over the smaller 160 mm variant jumps your bidirectional force from 9425 N to 15079 N at 0.5 MPa, providing massive thrust for large presses. Conversely, stepping down to the 160 mm bore saves space if your application only requires 9425 N. The twin-rod architecture is chosen when a design requires dual-side guidance to prevent rotation, or when a rear cam and position flag must drive a secondary mechanism while the front rod handles the primary workpiece.
At a 290 mm stroke, the long unsupported piston rod is subject to bending stress and side-load friction; always utilize an external guide rail to support the load and preserve the rod bearing. Remember that a standard SAID cylinder does not hold its load if air pressure drops or the valve centers—the piston will drift. For fail-safe position holding without live pressure, specify a BSAID double-rod clamp-lock cylinder instead. This model is dimensionally interchangeable per ISO 15552, serving as a drop-in replacement for other ISO 15552 double-rod cylinders, and uses the SAID mounting set: Basic, FA, LB, TC, FTC, TCM1, 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 SAID200BX290S FAQ
Because the rod occupies both sides of the piston, the extend and retract forces are equal. It delivers 15079 N in both directions at 0.5 MPa, 21110 N at 0.7 MPa, and 27141 N at 0.9 MPa.
Yes, the SAID200X290-S is an extruded aluminum profile cylinder built to the ISO 15552 mounting interface, making it dimensionally interchangeable with other ISO 15552 double-rod cylinders. It uses a PT G3/4 port and standard mounting accessories.
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