Airtac SAIJ200 Adjustable Cylinder SAIJ200AX275-50
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX275-50 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 SAIJ200AX275-50
The AirTAC SAIJ200X200-50 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to dial back the travel by up to 50 mm. This yields a usable stroke window of 225-275 mm, letting you fine-tune the retract end position at commissioning without swapping components. Delivering 21991 N of push force at 0.7 MPa, it handles heavy loads while maintaining a standard 30-500 mm/s speed range.
This variant uses a SUS420J2 stainless steel rod for enhanced corrosion resistance and features PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting. It supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX275-50 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX275-50 |
|---|---|
| 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 SAIJ200AX275-50
| 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 SAIJ200AX275-50 Is Used
Heavy Press Tuning
Dial in the exact 225-275 mm end position during heavy press setup to accommodate varying material thicknesses without external stopper blocks.
Product Changeover
Adjust the retract distance on the fly when switching between different sized pallets or packages on a high-thrust conveyor line.
Heavy Assembly Stations
Leverage 21991 N of thrust at 0.7 MPa for robust assembly operations while fine-tuning the stroke to clear varying fixture heights.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX275-50 the Right Cylinder?
Choose this 200 mm bore when the 160 mm class (14074 N push at 0.5 MPa) is insufficient for your maximum payload. The 50 mm rear adjustment screw is ideal for product changeovers on a line, providing variable end-stops without adding external stops. Since the stroke is 275 mm, ensure adequate external guiding to handle side loads, as long unsupported strokes can cause rod deflection.
The rear adjuster acts purely as a travel stop and does not hold the load without live air pressure. For fail-safe load holding, consider the SAIL (air-released lock) or BSAI (clamp-lock) series. To replace an ISO 15552 cylinder, match the 200 mm bore, 275 mm stroke, 50 mm adjustment, PT G3/4 port, and the chosen mounting interface.
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 SAIJ200AX275-50 FAQ
At 0.7 MPa operating pressure, this 200 mm bore cylinder provides 21991 N of push force and 15080 N of pull force. It can reach a maximum push force of 28274 N at 1.0 MPa.
The rear adjuster screw allows you to shorten the nominal 275 mm stroke by up to 50 mm, creating a usable travel window of 225-275 mm. This stopper fine-tunes the end position but does not lock the load without live air pressure.
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