Airtac SAIJ200 Adjustable Cylinder SAIJ200BX300-75
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200BX300-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 300mm 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
- Stroke300 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200BX300-75
The AirTAC SAIJ200X300-75 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It delivers massive thrust, pushing 28274N at 0.9 MPa, making it suited for heavy-duty industrial tasks. The integrated rear stopper allows you to fine-tune the effective travel window from 225 to 300 mm without physically swapping the unit.
This configuration features a SUS304 stainless steel rod for superior corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides. Keep in mind the rear adjuster acts purely as a travel stop to set the end position; it is not a locking device and will not hold a load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200BX300-75 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200BX300-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 300 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 SAIJ200 Adjustable Cylinder SAIJ200BX300-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×300 | 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 SAIJ200 Adjustable Cylinder SAIJ200BX300-75 Is Used
Heavy Press Changeover
Dial in the 225-300 mm travel window during heavy press setups to accommodate different material thicknesses without changing out the cylinder.
Variable Position Stops
Set precise retract end-stops on automated assembly lines where product dimensions vary, using the 75 mm adjustment range to fine-tune the motion.
Heavy-Duty Forming
Leverage the 28274N push force at 0.9 MPa for large-scale bending or forming tasks, adjusting the stroke to control the depth of operation.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200BX300-75 the Right Cylinder?
Selecting this 200 mm bore cylinder is ideal when your application requires up to 3204 kgf (at 1.0 MPa) and on-the-fly end-position tuning during product changeovers. If your force requirements are lower, stepping down to a 160 mm bore yields 18095N of push force at 0.9 MPa, which may offer a more compact footprint. Because this is a 300 mm stroke, the 40 mm diameter rod and M36x2 thread provide rigidity, but an external guide is still recommended to manage side loads over long unsupported travels.
For a drop-in ISO 15552 replacement, match the 200 mm bore, 300 mm stroke, PT port threads, and SUS304 rod material. Note that SAIJ supports a reduced mounting set: Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. If your process demands true load-holding without continuous air pressure, consider the SAIL or BSAI series instead of relying on the adjuster.
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 SAIJ200 Adjustable Cylinder SAIJ200BX300-75 FAQ
At an operating pressure of 0.9 MPa, this 200 mm bore cylinder provides a push force of 28274N and a pull force of 15080N. At the maximum rated pressure of 1.0 MPa, it achieves a peak push force of 3204 kgf.
The rear adjuster screw acts as a mechanical stop that lets you shorten the nominal 300 mm stroke down to a minimum of 225 mm. This allows you to fine-tune the end position at commissioning, but it only sets the travel limit; it does not lock or hold the load without live air pressure.
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