Airtac SAIJ200 Adjustable Cylinder SAIJ200AX350-75S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX350-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 350mm 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
- Stroke350 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX350-75S
The AirTAC SAIJ200X350-75-S is a double-acting ISO 15552 profile cylinder engineered for heavy-duty applications requiring exact end-position tuning. Its integrated rear adjusting screw provides a 75 mm trim range, establishing a versatile 275-350 mm usable travel window from the 350 mm nominal stroke. Delivering 15708 N of push force at 0.5 MPa, it handles massive loads while allowing precise commissioning without external stoppers.
This SKU is equipped with a SUS420J2 stainless steel rod for superior corrosion resistance and includes a magnet for position sensing. The extruded aluminum barrel features sensor grooves on both sides, supporting AirTAC CMSE reed and DMSE electronic switches. Fluid ports are PT tapered thread, and the design incorporates variable air cushions at both ends to decelerate the large 40 mm rod smoothly.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX350-75S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX350-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 350 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 SAIJ200AX350-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×350 | 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 SAIJ200AX350-75S Is Used
Heavy Press Tuning
Dial in the exact 275-350 mm travel window during heavy press commissioning to accommodate varying material thicknesses without swapping cylinders.
Product Changeover Stops
Adjust the rear stopper on the fly when switching product sizes on a conveyor line, ensuring precise positioning without adding external mechanical stops.
Large Assembly Jigs
Leverage the 15708 N push force to move heavy pallets in assembly jigs, using the PT tapered ports and integrated air cushions for smooth deceleration.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX350-75S the Right Cylinder?
Selecting this 200 mm bore cylinder is necessary when your application requires up to 3204 kgf of peak thrust at 1.0 MPa. If the 15708 N push force at 0.5 MPa is excessive, stepping down to a 160 mm bore yields 10053 N, avoiding unnecessary energy consumption. The adjustable stroke is chosen over a fixed SAI model when you need variable end-stops for product changeovers. For strokes of 350 mm or more, the heavy 40 mm rod and M36x2 thread handle substantial side loads, but an external guide is still recommended for unsupported masses.
The rear adjuster acts purely as a travel stop and does not hold the load without live air pressure. For fail-safe load holding without continuous air, consider the AirTAC SAIL or BSAI series. Dimensionally interchangeable per ISO 15552, this model uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR brackets.
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 SAIJ200AX350-75S FAQ
At 0.5 MPa operating pressure, this 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force. It can deliver a maximum thrust of 3204 kgf at 1.0 MPa.
The rear adjuster screw allows you to shorten the effective stroke by up to 75 mm. This creates a usable travel window of 275 to 350 mm, enabling fine-tuning of the retract end-position during setup without replacing the cylinder.
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