
The AirTAC Airtac SAID100 Double Rod Cylinder SAID100BX225S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 225mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
The AirTAC SAID100X225-S is a double-acting, double-rod ISO 15552 profile cylinder engineered for symmetric motion tasks. Because a rod exits both end covers, the annulus area is identical on the extend and retract sides, yielding an equal 3681 N of force in each direction at 0.5 MPa. This specific configuration features a 225 mm stroke, which is a non-standard made-to-order length, and includes a magnet for position sensing.
Equipped with SUS304 stainless steel rods (material code B), this variant provides excellent corrosion resistance for harsher environments. The integrated magnet works seamlessly with AirTAC CMSE reed and DMSE solid-state electronic sensors mounted along the dual-side extruded barrel grooves. Fluid porting utilizes PT tapered threads sized at G1/2.
| Model | Airtac SAID100 Double Rod Cylinder SAID100BX225S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 225 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M20×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 36 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.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | 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.
Drives workpiece shuttles requiring equal force and speed in both directions, preventing lag on the return stroke.
Twin rods guide the load against torsional twist during vertical press operations, maintaining tool alignment.
Mounts a primary work tool on the front rod and a secondary position flag or cam on the rear rod for linked stations.
Select this 100 mm bore when an application demands identical push and pull forces up to 5153 N at 0.7 MPa, which is a step up from the 63 mm bore providing 1402 N. The twin-rod architecture is chosen over a single-rod SAI when the mechanism requires dual-side guidance to prevent rotation, or when a rear cam and a front tool must operate simultaneously. Note that the overall length is longer than a single-rod unit to accommodate the rear protrusion, so verify your clearance.
Because the 225 mm stroke is a custom length exceeding standard increments, expect a made-to-order lead time. For strokes of 225 mm and beyond, the extended unsupported rod length increases susceptibility to side-load bending; always use an external guide rail to protect the rod bearings. Remember that the adjustable air cushions only decelerate the piston near stroke end and do not hold a load if air pressure drops. For position holding without live pressure, consider an external pilot-operated check valve or the BSAID clamp-lock variant. This unit is dimensionally interchangeable per ISO 15552.
Quick checklist
Because the double-rod design subtracts the rod area on both sides, it generates equal force in both directions. It outputs 3681 N at 0.5 MPa, 5153 N at 0.7 MPa, and 6626 N at 0.9 MPa.
Yes, the SAID100X225-S is an extruded aluminum profile cylinder built to ISO 15552 mounting dimensions, making it a drop-in replacement for other ISO 15552 double-rod cylinders. It uses the Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounting set.
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