Airtac SAIJ200 Adjustable Cylinder SAIJ200AX200-75S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX200-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 200mm 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
- Stroke200 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX200-75S
The AirTAC SAIJ200X200-75-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel down from a 200 mm nominal stroke to as low as 125 mm. Delivering a massive 15708 N of push force at 0.5 MPa (up to 28274 N at 0.9 MPa), it handles heavy-duty positioning with ease. This variant includes a piston magnet for CMSE and DMSE sensors, uses SUS420J2 stainless steel for the rod, and features PT tapered port threads.
The rear adjustment screw acts purely as a mechanical stop to set the end position and relies on the integrated air cushions for deceleration; it does not lock the load without live air pressure. As an extruded aluminum profile cylinder, it provides sensor grooves on both sides and supports a specific mounting subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX200-75S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX200-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 200 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 SAIJ200AX200-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×200 | 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 SAIJ200AX200-75S Is Used
Heavy Press Tonnage
Provides up to 28274 N of force at 0.9 MPa for heavy stamping or forming operations requiring precise end-position tuning.
Variable Product Changeover
Dial the travel back by up to 75 mm to accommodate different product lengths on the same line without physically replacing the actuator.
Automated Assembly Stops
Sets exact retraction endpoints for large-scale automated machinery, using the rear stopper to dial in the exact 125-200 mm window during setup.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX200-75S the Right Cylinder?
Choose this 200 mm bore model when your application requires extreme thrust, such as 15708 N at 0.5 MPa, alongside a wide 125-200 mm variable travel window for product size changeovers. If you need slightly less force, stepping down to a 160 mm bore yields 10053 N at 0.5 MPa. The adjustable stroke is ideal for fine-tuning end positions at commissioning without swapping cylinders or adding external stops.
For load-holding without continuous air pressure, note that this standard SAIJ adjuster is a travel stop, not a lock; you would need to look at the SAIL or BSAI series instead. To replace this cylinder per ISO 15552 dimensions, match the 200 mm bore, 200 mm stroke, 75 mm adjustment, PT G3/4 ports, the specified mounting, and the -S magnet. Because the nominal stroke is 200 mm, standard side-load guidelines apply, so ensure external guides are used for heavy loads.
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 SAIJ200AX200-75S FAQ
At a 0.5 MPa operating pressure, this 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force. At 0.9 MPa, the push force increases to 28274 N.
The rear adjuster screw lets you shorten the 200 mm nominal stroke by up to 75 mm, creating a usable travel window of 125-200 mm. It functions as a mechanical stop to fine-tune the end position and does not lock the load without air pressure.
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