Airtac SAIJ200 Adjustable Cylinder SAIJ200X300-10
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X300-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 300mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ200 mm
- Stroke300 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200X300-10
The AirTAC SAIJ200X300-10 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. The integrated adjustment screw allows you to trim the effective travel back by up to 10 mm, creating a precise 290-300 mm usable stroke window for exact end-position tuning.
This actuator features a robust 40 mm carbon steel rod and a G3/4 PT tapered port to handle high flow demands. While the rear adjuster sets the travel limit and the variable air cushions decelerate the load at both ends, neither acts as a lock. For position holding without live air pressure, you must use an external rod lock or pilot-operated check valve, or switch to the SAIL or BSAI series.
Airtac SAIJ200 Adjustable Cylinder SAIJ200X300-10 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X300-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 300 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 | 15080 N | 15080 N |
| 0.7 MPa | 21111 N | — |
| Max (@1.0 MPa) | 3075 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ200 Adjustable Cylinder SAIJ200X300-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×300 | 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 SAIJ200X300-10 Is Used
Heavy Press End-Stop Tuning
Dial in the exact 290-300 mm travel limit during machine commissioning to ensure precise pressing force without machining custom external stoppers.
Product Changeover Adjustment
Quickly adapt the cylinder's retract end position on the fly when switching between product variants on a heavy-duty assembly line.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200X300-10 the Right Cylinder?
If your setup can operate with less thrust, stepping down to a 160 mm bore yields 10053N at 0.5 MPa, while moving up is not possible as this is the largest standard ISO 15552 size in the line. Because the nominal 300 mm stroke is substantial and the 40 mm rod is heavy, you must use an external guide to prevent excessive side-loading and premature seal wear.
This SAIJ variant is chosen over a fixed-stroke SAI cylinder when product changeovers require slight modifications to the end-of-travel position. As a direct ISO 15552 dimensionally interchangeable replacement, match your bore, 300 mm stroke, 10 mm adjustment, G3/4 PT port, and preferred mounting from the reduced SAIJ set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Note that FB, CA, CB, and CR mounts are omitted from this adjustable 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 SAIJ200X300-10 FAQ
At the maximum operating pressure of 1.0 MPa, this 200 mm bore cylinder generates a maximum push force of 3204 kgf.
The rear adjusting screw acts as a mechanical stop that shortens the nominal 300 mm stroke by up to 10 mm, giving a usable travel window of 290-300 mm. The adjuster only limits the travel end; it does not lock the load without live air pressure.
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