Airtac SAIJ200 Adjustable Cylinder SAIJ200AX275-30
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX275-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 275mm 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
- Stroke275 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX275-30
The AirTAC SAIJ200X275-30 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 245 to 275 mm, allowing you to dial back the end position by up to 30 mm during commissioning. This 200 mm bore generates 15708 N of thrust at 0.5 MPa and handles operating pressures up to 1.0 MPa.
Built with a SUS420J2 stainless steel rod, it withstands harsh environments while utilizing PT tapered port threads for a robust pneumatic seal. The extruded aluminum barrel incorporates sensor grooves on both sides, and because no magnet is specified, position sensing would require adding a compatible switch externally. The rear stopper mechanism sets the retract position but does not function as a load lock, meaning live air pressure is required to maintain force.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX275-30 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX275-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 275 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 SAIJ200AX275-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×275 | 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 SAIJ200AX275-30 Is Used
Heavy Press Tuning
Dial in the exact 245-275 mm retract distance during heavy press setup to accommodate varying material thicknesses without external stops.
Product Changeover
Adjust the end position up to 30 mm on packaging lines when switching to different box sizes, ensuring precise indexing.
Assembly Station Calibration
Fine-tune the end-of-stroke position during machine commissioning to set the perfect seating force for large component assembly.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX275-30 the Right Cylinder?
Selecting this 200 mm bore is ideal when your application requires substantial thrust, pushing 15708 N at 0.5 MPa or up to 28274 N at 0.9 MPa. If your force requirements are lower, stepping down to a 160 mm bore yields 10053 N at 0.5 MPa, whereas moving up is impossible as this is the largest standard SAIJ size. The 30 mm adjustable range is perfect for variable end-stops and product changeovers, offering flexibility that a fixed-stroke SAI cylinder cannot provide.
When replacing an ISO 15552 cylinder, match the 200 mm bore, 275 mm nominal stroke, PT port threads, and the required mounting set. SAIJ supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, deliberately omitting FB, CA, CB, and CR options. Since the stroke is 275 mm, ensure adequate external guidance to prevent excessive side-loading on the large 40 mm rod. For applications needing load holding without live air, consider the SAIL or BSAI series instead.
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 SAIJ200AX275-30 FAQ
This 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force at 0.5 MPa. At the maximum operating pressure of 1.0 MPa, it delivers up to 3204 kgf.
The rear adjuster screw allows you to shorten the effective travel from the 275 mm nominal stroke down to 245 mm. This stopper fine-tunes the end position but does not lock the load without live air pressure.
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