Airtac SAIJ200 Adjustable Cylinder SAIJ200AX290-40S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX290-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 290mm 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
- Stroke290 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX290-40S
The AirTAC SAIJ200X290-40-S is a double-acting ISO 15552 profile cylinder engineered for heavy-duty tasks, featuring a substantial 15708N push force at 0.5 MPa. It integrates a rear adjusting screw that allows you to trim the effective stroke by up to 40 mm, creating a precise 250-290 mm usable travel window for exact end-position tuning. This eliminates the need to swap cylinders or bolt on external stops during product changeovers.
Equipped with a -S magnet, this unit supports AirTAC CMSE reed and DMSE electronic sensors housed within the dual-side extruded aluminum barrel grooves. The SUS420J2 stainless steel rod (option A) offers superior corrosion resistance, while the PT (tapered) G3/4 porting matches the high flow demands of this 200 mm bore class. The rear stopper and variable air cushions manage deceleration, but neither will hold a load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX290-40S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX290-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 290 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 SAIJ200AX290-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×290 | 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 SAIJ200AX290-40S Is Used
Heavy Press Tuning
Dial in the exact 250-290 mm end-stop during heavy press commissioning to accommodate material thickness variations without changing the cylinder.
Product Line Changeover
Quickly adjust the rear mechanical stop for different product sizes on a high-force assembly line, saving downtime on physical hardware swaps.
Large Mold Handling
Position large molds accurately using the 15708N thrust, relying on the fine 40 mm adjustment window to perfect the seating distance.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX290-40S the Right Cylinder?
Select this 200 mm bore cylinder when an application demands extreme thrust, as stepping down to a 160 mm bore drops the 0.5 MPa push force to 10053N. The adjustable 250-290 mm window is ideal for equipment requiring mechanical fine-tuning at commissioning rather than relying on a fixed 290 mm SAI stroke. For load-holding without continuous air supply, an external rod lock or a SAIL/BSAI variant is required, since the SAIJ adjuster functions strictly as a travel stop.
With a 290 mm stroke, the 40 mm diameter rod carries excellent side-load capacity, though an external guide remains necessary for any unsupported loads. This model operates at 30-500 mm/s and uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting FB, CA, CB, and CR brackets. It is dimensionally interchangeable per ISO 15552.
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 SAIJ200AX290-40S FAQ
At 0.5 MPa, this 200 mm bore cylinder provides a push force of 15708N and a pull force of 15080N. At the maximum operating pressure of 1.0 MPa, it delivers up to 3204 kgf.
The rear adjuster acts as a mechanical stop, allowing you to shorten the 290 mm nominal stroke by up to 40 mm, creating a 250-290 mm usable travel window. It sets the end position but does not lock the load without live air.
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