Airtac SAIJ200 Adjustable Cylinder SAIJ200X350-75S
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X350-75S 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 interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ200 mm
- Stroke350 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 SAIJ200X350-75S
The AirTAC SAIJ200X350-75-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to fine-tune the travel window down from a 350 mm nominal stroke to a 275 mm minimum. The carbon steel rod and M36x2 thread provide high tensile strength, while the -S magnet enables precise position detection using AirTAC CMSE reed or DMSE solid-state sensors.
Because the adjuster acts purely as a mechanical stop at the retract end, it sets the end position without requiring live air to hold the load. The extruded aluminum barrel features sensor grooves on both sides for flexible switch mounting. It supports a speed range of 30-500 mm/s and uses G3/4 PT tapered ports to handle the high air volume required for smooth motion.
Airtac SAIJ200 Adjustable Cylinder SAIJ200X350-75S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X350-75S |
|---|---|
| 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 | 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 SAIJ200X350-75S
| 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 SAIJ200X350-75S Is Used
Heavy Press Positioning
Dial in the exact bottoming position of a heavy press during setup. The 275-350 mm window allows operators to tune the stroke for different material thicknesses without changing tooling.
Product Size Changeover
Quickly adapt a packaging or palletizing line to new package dimensions. The 75 mm adjustment range accommodates varying product lengths on the fly, minimizing machine downtime.
Variable End-Stop Machining
Set precise retract positions for heavy material clamping or machining fixtures. The rear stopper allows fine-tuning of the end position without bolting on external physical stops.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200X350-75S the Right Cylinder?
The 75 mm adjustment range on this model is ideal for accommodating multiple product sizes on a single line without physically swapping the cylinder or adding external stopper blocks.
For an exact ISO 15552 replacement, match the 200 mm bore, 350 mm stroke, 75 mm adjustment code, G3/4 PT port, and the -S magnet requirement. Given the 350 mm stroke, the 40 mm rod diameter carries substantial side loads, but an external guide rail is still recommended for heavy unsupported loads to prevent binding. Remember that the rear adjuster is a travel stop, not a lock; if you need to hold a load without live air pressure, specify an AirTAC SAIL or BSAI cylinder.
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 SAIJ200X350-75S FAQ
At the maximum 1.0 MPa pressure, it delivers up to 3204 kgf of push force.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective travel from the 350 mm nominal stroke down to 275 mm. This creates a 75 mm adjustable window for fine-tuning end positions during commissioning or product changeover.
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