Airtac SAID200 Double Rod Cylinder SAID200BX165
The AirTAC Airtac SAID200 Double Rod Cylinder SAID200BX165 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 165mm 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
- Stroke165 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAID200 Double Rod Cylinder SAID200BX165
The AirTAC SAID200X165 is a double-acting, double-rod ISO 15552 profile cylinder featuring a 200 mm bore and 165 mm stroke. A single piston drives a rod out of both end covers, yielding equal extend and retract forces of 15079 N at 0.5 MPa. This symmetric output is ideal for twin-station actuation and maintaining balanced momentum during direction changes.
Configured with SUS304 stainless steel rods (code B) and PT tapered port threads, this unit operates at 30-500 mm/s. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic switches. Note that the through-rod design requires extra rear clearance compared to a single-rod SAI.
Airtac SAID200 Double Rod Cylinder SAID200BX165 Technical Specifications
| Model | Airtac SAID200 Double Rod Cylinder SAID200BX165 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 165 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 SAID200BX165
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×165 | 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 SAID200BX165 Is Used
Symmetric Force Transfer
Delivers identical 15079 N thrust in both directions, ensuring perfectly balanced momentum for heavy reciprocating presses and transfer lines.
Twin-Station Actuation
The through-rod design allows mounting a workpiece on the front and a secondary cam or tool on the rear rod end to drive a secondary mechanism simultaneously.
Anti-Rotation Guidance
Dual rods exiting both end covers keep the load guided against rotation better than a single rod, ensuring strict linear tracking for heavy industrial slides.
Is the Airtac SAID200 Double Rod Cylinder SAID200BX165 the Right Cylinder?
Choose this 200 mm bore when a smaller 160 mm bore (9425 N at 0.5 MPa) lacks the thrust for heavy symmetric loads. The twin-rod architecture is selected over a single-rod SAI when an application demands dual-side guidance, anti-rotation stability, or a rear rod end to mount a secondary cam or position flag. Because 165 mm is a moderate stroke, side-load stress on the rod bearing is minimal, though external guides are recommended for heavy off-center loads. This cylinder is dimensionally interchangeable per ISO 15552, serving as a drop-in replacement for other ISO 15552 double-rod cylinders. It uses the reduced SAID mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR accessories. Note that the adjustable air cushions only decelerate the piston near stroke end; they do not hold a load. If position holding without live pressure is required, use a SAIL, BSAID, or an external rod lock.
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 SAID200BX165 FAQ
Because the rod occupies both sides of the piston, the effective annulus area is identical in both directions. The SAID200X165 delivers 15079 N of force both extending and retracting at 0.5 MPa, and 21110 N at 0.7 MPa.
Yes, the SAID200X165 is a profile cylinder that is dimensionally interchangeable per ISO 15552. It can serve as a drop-in replacement for other ISO 15552 double-rod cylinders, provided you account for the extra rear-rod clearance and use the correct SAID mounting set.
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