
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200BX20-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 20mm 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.
The AirTAC SAIJ200X20-10 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers massive thrust, pushing with 15708N and pulling with 15080N at 0.5 MPa. The built-in rear stopper allows you to trim the 20mm nominal stroke back by up to 10mm, creating a precise 10-20mm usable travel window for exact end-position tuning during commissioning.
This specific configuration features a SUS304 stainless steel rod for superior corrosion resistance in harsh washdown environments. Fluid consumption is high, requiring a G3/4 PT port to feed the 200mm bore. The extruded aluminum barrel includes sensor grooves on both sides, and the cylinder uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) compared to standard fixed-stroke models.
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200BX20-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 20 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.
| 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.
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×20 | 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.
Apply up to 318 kgf at 1.0 MPa for high-force pressing operations, using the 10mm adjuster to fine-tune the exact material deformation depth.
Leverage the SUS304 stainless steel rod for clamping tasks in food or chemical processing lines where moisture and corrosion are prevalent.
Quickly adapt the 10-20mm travel window during machine setup for new product batches, eliminating the need to swap physical cylinders.
Choose this 200mm bore when you need extreme force—downgrading to a 160mm bore drops your 0.5MPa push force to 10053N. The 10mm adjustment range is ideal for short-stroke clamping or pressing applications where you need to dial in the exact end-stop during product changeovers without adding external mechanical stops. For strokes of 300mm or more, you would need external guides to prevent rod side-loading, but this 20mm stroke is short and highly rigid.
To match this ISO 15552 interchangeable cylinder, specify: 200mm bore, 20mm stroke, 10mm adjustment, G3/4 PT port, SUS304 (B) rod material, and no magnet. Note that the rear adjuster acts only as a travel stop and does not hold the load without live air; for true load-holding, select an AirTAC SAIL or BSAI cylinder.
Quick checklist
At a 0.5 MPa operating pressure, this 200mm bore cylinder provides 15708N of push force and 15080N of pull force. At its maximum 1.0 MPa pressure, it delivers up to 318 kgf.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective travel from 20mm down to 10mm. This creates a 10-20mm usable window for fine-tuning the end position at commissioning without swapping the cylinder.
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