Airtac SAID200 Double Rod Cylinder SAID200BX170
The AirTAC Airtac SAID200 Double Rod Cylinder SAID200BX170 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 170mm 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
- Stroke170 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAID200 Double Rod Cylinder SAID200BX170
The AirTAC SAID200X170 is a double-acting, double-rod ISO 15552 profile cylinder engineered for heavy-duty symmetrical actuation. Because a rod extends from both end covers, the annulus area is identical on each side, yielding exactly 15079 N of force in both extend and retract directions at 0.5 MPa. This equal-force capability eliminates speed discrepancies between strokes, ensuring highly stable motion.
Equipped with SUS304 stainless steel rods, this variant provides superior corrosion resistance for harsh environments. The through-rod design allows operators to mount a primary workpiece on the front end while utilizing the rear extension for a cam, position flag, or secondary mechanism. It features PT tapered port threads and requires no magnet, relying instead on external physical guidance for precise dual-side load handling.
Airtac SAID200 Double Rod Cylinder SAID200BX170 Technical Specifications
| Model | Airtac SAID200 Double Rod Cylinder SAID200BX170 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 170 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 SAID200BX170
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×170 | 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 SAID200BX170 Is Used
Symmetric Pressing
Utilizes the equal 15079 N extend and retract force to drive heavy-duty forming or pressing tasks where consistent pressure is required in both motion directions.
Dual-Station Transfer
Mounts workpieces on both rod ends to shuttle parts between two machining stations simultaneously, cutting cycle time in half via twin-sided actuation.
Anti-Rotation Guidance
Leverages the dual-rod geometry to prevent mechanical twisting on heavy lifts, keeping large loads perfectly aligned without external guides.
Is the Airtac SAID200 Double Rod Cylinder SAID200BX170 the Right Cylinder?
Selecting the SAID200X170 is ideal when an application demands immense bidirectional force that a smaller bore cannot provide; stepping down to a 160mm bore would reduce your output to 9425 N at 0.5 MPa. A double-rod configuration is chosen over a single-rod SAI when the load requires strict anti-rotation guidance, twin-station actuation, or rear-rod position sensing. As a true ISO 15552 profile cylinder, it serves as a drop-in replacement for other ISO 15552 double-rod cylinders, matching standard mounting dimensions.
When specifying this model, confirm the PT port thread type and choose from the reduced SAID mounting accessory set: Basic, FA, LB, TC, FTC, TCM1, or TCM2 (omitting FB, CA, CB, and CR). Note that a plain SAID does not hold its position if air pressure is lost; for dead-load holding, consider an external rod lock or the BSAID clamp-lock variant. Although the 170mm stroke is under the 300mm side-load threshold, the massive 40mm rod and substantial weight of a 200mm bore still benefit from external guide rails to prevent rod-bearing bending.
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 SAID200BX170 FAQ
Because it is a double-rod cylinder, the force is equal in both directions due to matching annulus areas. It provides 15079 N both ways at 0.5 MPa, 21110 N at 0.7 MPa, and 27141 N at 0.9 MPa.
Yes, the SAID200X170 is dimensionally interchangeable per ISO 15552 standards. You can use it as a drop-in replacement for other ISO 15552 profile double-rod cylinders, provided you accommodate the rear-rod protrusion clearance.
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