Airtac SAIJ200 Adjustable Cylinder SAIJ200AX270-75
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX270-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 270mm 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
- Stroke270 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX270-75
The AirTAC SAIJ200X270-75 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering massive thrust up to 15708 N at 0.5 MPa. It features a robust 40 mm piston rod and PT tapered ports. By turning the rear screw, you can trim the effective travel by up to 75 mm, creating a precise 195-270 mm usable window for heavy-duty positioning.
This unit utilizes an SUS420J2 stainless steel rod for superior corrosion resistance and includes variable air cushions at both ends to manage high kinetic energy. The extruded aluminum barrel integrates sensor grooves on both sides, allowing for direct mounting of position switches when needed.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX270-75 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX270-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 270 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 SAIJ200AX270-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×270 | 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 SAIJ200AX270-75 Is Used
Heavy Press Tuning
Dial in the exact 195-270 mm end-stop during heavy press commissioning to accommodate material thickness variations without machinery changes.
Product Size Changeover
Quickly adjust the retract position on automated assembly lines when switching between large product sizes, saving setup time.
Large Fixture Alignment
Fine-tune the resting position of heavy machining fixtures by trimming the stroke up to 75 mm, ensuring perfect alignment.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX270-75 the Right Cylinder?
Select this 200 mm bore actuator when an application demands extreme push force, stepping up significantly from the 160 mm bore which provides 10053 N at 0.5 MPa. The adjustable 195-270 mm window is perfect for heavy product changeovers, letting you fine-tune the retract end-position at commissioning without adding external stops or swapping out a fixed-stroke SAI cylinder. Because the stroke is 270 mm, ensure adequate external guiding to handle side loads.
To match this exact ISO 15552 footprint for a replacement, verify the 200 mm bore, 270 mm stroke, 75 mm adjustment range, PT port threads, and the specific mounting style (Basic, FA, LB, TC, FTC, TCM1, or TCM2). Note that the rear adjuster acts only as a travel stop and does not hold the load without live air; for pilot-operated locking, consider the SAIL or BSAI series.
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 SAIJ200AX270-75 FAQ
At 0.5 MPa operating pressure, this 200 mm bore cylinder provides a push force of 15708 N and a pull force of 15080 N. At the maximum 1.0 MPa pressure, it can deliver up to 3204 kgf.
The rear adjuster screw allows you to shorten the nominal 270 mm stroke by up to 75 mm, providing a usable travel window of 195 to 270 mm. This stopper fine-tunes the end position but does not lock the load without continuous air pressure.
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