Airtac SAIJ200 Adjustable Cylinder SAIJ200AX290-30
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX290-30 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 SAIJ200AX290-30
The AirTAC SAIJ200X290-30 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to fine-tune the end-of-travel position during commissioning. With a 290 mm nominal stroke and a 30 mm adjustment range, it provides a usable travel window of 260 to 290 mm without requiring external stops. It delivers immense thrust, generating 15708 N of push force at 0.5 MPa and up to 28274 N at 0.9 MPa.
This unit features a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance and uses PT tapered port threads (G3/4). The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE or DMSE switches. The rear adjuster acts purely as a travel stop to set deceleration, meaning it will not hold a load safely without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX290-30 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX290-30 |
|---|---|
| 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 SAIJ200AX290-30
| 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 SAIJ200AX290-30 Is Used
Heavy Machinery Setup
Dial in the exact 260-290 mm end position during equipment commissioning to perfect heavy pressing operations without machining new stopper blocks.
Product Line Changeover
Quickly adapt a manufacturing line for new product sizes by turning the rear adjuster up to 30 mm, minimizing downtime between production runs.
Variable End-Stop Pressing
Achieve precise material forming and pressing with 15708 N of force at 0.5 MPa, fine-tuning the travel end to accommodate different material thicknesses.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX290-30 the Right Cylinder?
Choose this 200 mm bore when your application demands maximum force, as it provides 15708 N push at 0.5 MPa. If you need less force, stepping down to a 160 mm bore yields 10053 N, while a 125 mm bore provides 6136 N. The adjustable stroke is ideal for product changeovers where the exact end position varies by up to 30 mm, eliminating the need to swap out a fixed-stroke SAI cylinder. For load-holding without continuous air pressure, this cylinder is insufficient; you should select a SAIL pneumatic lock or BSAI clamp-lock cylinder instead.
When replacing an ISO 15552 cylinder, match the 200 mm bore, 290 mm stroke, 30 mm adjustment, G3/4 PT ports, and SUS420J2 rod material. Because the 290 mm stroke is relatively long, the 40 mm rod diameter and M36x2 thread will handle significant side loads, but an external guide is still recommended for heavy unsupported loads to prevent premature seal wear.
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 SAIJ200AX290-30 FAQ
At 0.5 MPa operating pressure, this 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force. At 0.9 MPa, the push force increases to 28274 N.
The rear adjuster screw allows you to shorten the effective travel from the nominal 290 mm down to 260 mm. This creates a 30 mm adjustable window for fine-tuning the end position at commissioning, but it functions only as a travel stop and does not lock the load without live air.
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