Airtac SAIJ200 Adjustable Cylinder SAIJ200AX275-40
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX275-40 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 SAIJ200AX275-40
The AirTAC SAIJ200X275-40 is a double-acting ISO 15552 profile cylinder engineered for heavy-duty applications requiring exact end-position tuning. It delivers a substantial 15708N of push force and 15080N of pull force at 0.5 MPa. By integrating a rear mechanical stopper, this model provides a usable travel window of 235 to 275mm, allowing technicians to dial back the 275mm nominal stroke by up to 40mm during commissioning without swapping out the unit.
This adjustable-stroke design eliminates the need to bolt on external stops during product-size changeovers. The extruded aluminum barrel features sensor grooves on both sides for flexible mounting of CMSE reed or DMSE solid-state switches. Built with an SUS420J2 stainless steel rod and PT tapered port threads, it handles high-stress environments while maintaining the standard ISO 15552 mounting interface.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX275-40 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX275-40 |
|---|---|
| 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 SAIJ200AX275-40
| 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 SAIJ200AX275-40 Is Used
Heavy Press Tuning
Dial in the exact 235-275mm end-stop during heavy press setup to accommodate varying material thicknesses without replacing the cylinder.
Product Changeover
Quickly adjust the retract end-position by up to 40mm on automated packaging lines when switching to a different product size.
Large Assembly Jigs
Leverage the 15708N push force to move heavy pallets while fine-tuning the final seating position at the machine commissioning stage.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX275-40 the Right Cylinder?
Select this 200mm bore actuator when your application demands high thrust combined with variable end-stop positioning. If 15080N of pull force at 0.5 MPa is more than required, stepping down to a 160mm bore yields 9425N, optimizing air consumption. Conversely, if your setup needs even greater power, you are already at the top standard profile size. The rear adjuster screw acts solely as a travel stop; it does not hold the load without live air pressure. For fail-safe load holding, consider an external pilot-operated check valve or AirTAC SAIL and BSAI locking cylinders.
When replacing an ISO 15552 cylinder, match the 200mm bore, 275mm stroke, and PT port threads. The SAIJ mounting hardware set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR brackets. Because this actuator features a 275mm stroke, always use an external guide rail to prevent excessive side-loading on the 40mm rod, especially given the heavy moving mass associated with 200mm bore assemblies.
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 SAIJ200AX275-40 FAQ
At a 0.5 MPa operating pressure, this 200mm bore cylinder provides 15708N of push force and 15080N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 3204 kgf.
The rear stopper screw allows you to shorten the 275mm nominal stroke by up to 40mm, creating a usable travel window of 235 to 275mm. This adjuster acts only as a mechanical stop to set the end position and does not lock or hold the load without continuous air pressure.
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