Airtac SAID200 Double Rod Cylinder SAID200BX165S
The AirTAC Airtac SAID200 Double Rod Cylinder SAID200BX165S 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 SAID200BX165S
The AirTAC SAID200X165-S is a double-acting, double-rod ISO 15552 profile cylinder featuring a 200mm bore and 165mm stroke. Because the piston rod exits both end covers, the annulus area is identical on extend and retract, yielding an equal 15079 N of force in each direction at 0.5 MPa. The twin rods provide superior anti-rotation guidance and allow you to mount a workpiece on the front while driving a cam or position flag from the rear.
This variant is built with a SUS304 stainless steel rod (option B) for superior corrosion resistance and includes a magnet (-S) for position sensing. It uses PT tapered port threads and shares the extruded aluminum barrel with sensor grooves on both sides. You can mount AirTAC CMSE reed or DMSE solid-state switches directly into the dual grooves to track both stroke ends.
Airtac SAID200 Double Rod Cylinder SAID200BX165S Technical Specifications
| Model | Airtac SAID200 Double Rod Cylinder SAID200BX165S |
|---|---|
| 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 SAID200BX165S
| 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 SAID200BX165S Is Used
Symmetric-Force Transfer
Drives heavy push-and-pull mechanisms where equal 15079 N thrust in both directions prevents directional force imbalances in large presses.
Anti-Rotation Slides
Uses the twin 40mm SUS304 rods to guide heavy loads without twisting, maintaining strict parallelism for large material handling slides.
Through-Rod Sensing
Mounts the primary workpiece on the front rod while using the rear rod extension to trigger DMSE solid-state sensors or operate a secondary cam.
Is the Airtac SAID200 Double Rod Cylinder SAID200BX165S the Right Cylinder?
Select this 200mm bore when an application demands massive symmetric force, as it generates 15079 N both ways at 0.5 MPa. If your mechanism only requires half that thrust, stepping down to the 160mm bore yields 9425 N each way while saving physical space. Choose the double-rod SAID over a single-rod SAI when your mechanism requires dual-side actuation, strict anti-rotation control, or rear-rod sensor mounting. This configuration uses a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR brackets found on single-rod variants.
To match this exact unit, specify the 200mm bore, 165mm stroke, PT port threads, and the -S magnet option. Note that a plain SAID does not hold its load if air pressure is lost or the valve centers; the piston will drift. If static holding is required without live pressure, consider an external rod lock, a SAIL air-released lock, or a BSAID clamp-lock cylinder. Although 165mm is below the 300mm threshold, the heavy 40mm rods and substantial mass of a 200mm cylinder still benefit from external guidance to prevent rod-bearing bending under high side loads.
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 SAID200BX165S FAQ
Because the 40mm rod occupies both piston sides, the effective area is identical in both directions. It delivers 15079 N each way at 0.5 MPa, 21110 N at 0.7 MPa, and 27141 N at 0.9 MPa.
Yes, the SAID200X165-S is dimensionally interchangeable per ISO 15552 and serves as a drop-in replacement for other ISO 15552 profile double-rod cylinders. It uses PT tapered ports and includes the -S magnet for CMSE and DMSE switches.
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