Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-75
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 150mm 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
- Stroke150 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-75
The AirTAC SAIJ200X150-75 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster that creates a 75 to 150 mm usable travel window. Built with a 200 mm bore, it delivers substantial thrust, generating 15080 N of pull force at 0.5 MPa and up to 28274 N at 0.9 MPa. This makes it highly suitable for moving heavy loads in demanding industrial environments.
This unit is configured with a SUS420J2 stainless steel rod (option A) and PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for direct mounting of CMSE reed or DMSE electronic switches. The rear adjuster acts purely as a mechanical stop to fine-tune the end position, meaning it will not hold the load dynamically without continuous air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-75 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 150 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 SAIJ200AX150-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×150 | 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 SAIJ200AX150-75 Is Used
Heavy Press Tuning
Dial in the exact 75-150 mm travel window during heavy press setup to accommodate varying material thicknesses without changing the cylinder.
Large Assembly Jigs
Adjust the retract stopper on the fly for large-scale assembly jigs that handle multiple product sizes on the same line.
Variable End Stops
Use the rear screw to fine-tune the end position during machine commissioning, ensuring precise mechanical alignment before full production runs.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-75 the Right Cylinder?
Choose this 200 mm bore size when your application requires maximum force, stepping up from the 160 mm bore which provides 9425 N of pull at 0.5 MPa. An adjustable stroke is ideal for machinery that requires precise end-position tuning during commissioning or product changeover, eliminating the need to physically swap cylinders or add external stopper blocks. For load-holding requirements without live air pressure, this cylinder is insufficient as the adjuster is only a stop; consider the SAIL or BSAI series instead.
When integrating this cylinder, note that the mounting interface uses the reduced SAIJ set: Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR options. Because the 150 mm stroke approaches the upper end of the 30-500 mm/s speed range for this bore, ensure your external guide mechanisms can handle the massive 40 mm rod and M36x2 thread to prevent side-load damage.
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 SAIJ200AX150-75 FAQ
At a 200 mm bore, it provides a push force of 15708 N and a pull force of 15080 N at 0.5 MPa. At 0.9 MPa, the push force increases to 28274 N.
The rear adjuster screw lets you trim the 150 mm nominal stroke back by up to 75 mm, creating a usable travel window of 75 to 150 mm. It functions as a mechanical stop and does not lock the load without air pressure.
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