Airtac SAID200 Double Rod Cylinder SAID200BX225
The AirTAC Airtac SAID200 Double Rod Cylinder SAID200BX225 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 225mm 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
- Stroke225 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAID200 Double Rod Cylinder SAID200BX225
The AirTAC SAID200X225 is a double-acting, double-rod ISO 15552 profile cylinder featuring a 200 mm bore and 225 mm stroke. Because the piston rod extends from both end covers, the annulus area is identical on both sides, yielding equal push and pull forces of 15079 N at 0.5 MPa. This symmetric force capability is ideal for mechanisms requiring consistent power delivery in both directions.
This unit is equipped with a SUS304 stainless steel rod (option B) for superior corrosion resistance and includes PT tapered port threads. The extruded aluminum barrel features sensor grooves on both sides for flexible mounting of CMSE or DMSE switches. Note that the rear protruding rod requires additional clearance in your machine design compared to a standard single-rod SAI cylinder.
Airtac SAID200 Double Rod Cylinder SAID200BX225 Technical Specifications
| Model | Airtac SAID200 Double Rod Cylinder SAID200BX225 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 225 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 SAID200BX225
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×225 | 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 SAID200BX225 Is Used
Symmetric Transfer
Drives heavy workpiece shuttles requiring identical 15079 N push and pull forces to maintain balanced momentum in both travel directions.
Anti-Rotation Slides
Utilizes the twin-rod structure to guide heavy machining slides, preventing torsional twist and maintaining precise alignment under heavy loads.
Dual-Station Actuation
Mounts a primary tool on the front rod and a secondary cam or position flag on the rear rod to actuate two synchronized workstations simultaneously.
Is the Airtac SAID200 Double Rod Cylinder SAID200BX225 the Right Cylinder?
Select this 200 mm bore when an application demands massive symmetric force, as it provides 15079 N each way at 0.5 MPa. If your mechanism requires less force, stepping down to a 160 mm bore yields 9425 N both ways. The twin-rod design is chosen over a single-rod SAI when you need dual-side guidance to prevent rotation, or when a rear rod end is required to mount a cam or position flag.
This cylinder operates at speeds of 30-500 mm/s. It uses a reduced mounting accessory set including Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR brackets found on single-rod variants. Remember that the adjustable air cushions only decelerate the piston near stroke ends; this cylinder will not hold a load if air pressure is lost. For position holding without live pressure, consider an external pilot-operated check valve or the BSAID clamp-lock variant.
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 SAID200BX225 FAQ
The SAID200X225 provides equal force in both extend and retract directions due to the double-rod design. It delivers 15079 N at 0.5 MPa, 21110 N at 0.7 MPa, and 27141 N at 0.9 MPa.
Yes, it is dimensionally interchangeable per ISO 15552 as a drop-in replacement. However, it 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 models.
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