Airtac SAIJ200 Adjustable Cylinder SAIJ200AX105-75
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX105-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 105mm 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
- Stroke105 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX105-75
The AirTAC SAIJ200X105-75 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. By turning the external stopper screw, you can trim the effective travel back by up to 75 mm, creating a usable stroke window of 30 to 105 mm without changing the cylinder body. This allows precise end-position tuning at commissioning or during product changeover without adding external stops. Built with an extruded aluminum barrel, it delivers a robust 21991 N push force at 0.7 MPa and features a 40 mm SUS420J2 stainless steel piston rod with an M36x2 thread for high structural rigidity.
This model operates at speeds of 30-500 mm/s and includes variable air cushions at both ends to manage deceleration. The rod material is coded A for SUS420J2 stainless steel, offering superior corrosion resistance. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR brackets. The rear adjuster acts purely as a mechanical travel stop and does not hold the load without live air pressure; for true load-holding, consider the SAIL or BSAI series.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX105-75 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX105-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 105 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 SAIJ200AX105-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×105 | 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 SAIJ200AX105-75 Is Used
Variable End-Stop Setup
Dial in the exact 30 to 105 mm travel distance during machine commissioning to perfect the end position without machining new hard stops.
Product Changeover
Quickly adapt the cylinder stroke on a production line when switching to a different product size, minimizing downtime between runs.
Precision Position Tuning
Fine-tune the retraction point within the 75 mm adjustment window to synchronize multiple actuators or clear an obstruction.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX105-75 the Right Cylinder?
Choose this 200 mm bore cylinder when your application requires up to 21991 N of push force at 0.7 MPa and a highly variable end-stop. If your process requires less force, stepping down to a 160 mm bore yields 14074 N of push force at the same pressure, which may be sufficient for lighter loads. The 75 mm adjustment range on this 105 mm nominal stroke provides a 30 to 105 mm travel window, making it ideal for machines that frequently process different product sizes and need rapid changeover without swapping hardware.
When replacing an ISO 15552 cylinder, match the 200 mm bore, 105 mm nominal stroke, 75 mm adjustment code, PT tapered port threads, and the required mounting bracket. Because the nominal stroke is 105 mm, an external guide is recommended to prevent side-load damage to the piston rod. Note that the rear adjuster and air cushions only set the travel end and manage deceleration; they do not function as a lock. For position holding without live air, use an external rod lock or pilot-operated check valve.
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 SAIJ200AX105-75 FAQ
At an operating pressure of 0.7 MPa, this 200 mm bore cylinder provides a push force of 21991 N and a pull force of 15080 N. At 0.9 MPa, the push force increases to 28274 N.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective stroke by up to 75 mm. This creates a usable travel window of 30 to 105 mm, allowing you to set the exact end position at commissioning without swapping the cylinder.
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