Airtac SAIJ200 Adjustable Cylinder SAIJ200AX475-50S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX475-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 475mm 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
- Stroke475 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX475-50S
The AirTAC SAIJ200X475-50-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 425 to 475 mm. Built with an extruded aluminum barrel, it delivers massive thrust up to 28274 N at 0.9 MPa. The integrated -S magnet supports position detection via AirTAC CMSE reed and DMSE electronic sensors.
This heavy-duty unit features a 40 mm SUS420J2 stainless steel rod and PT tapered port threads. The rear stopper lets you dial in the exact end position during commissioning without adding external stops. Note that this adjuster acts purely as a travel stop and does not hold the load without continuous air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX475-50S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX475-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 475 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 SAIJ200AX475-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×475 | 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 SAIJ200AX475-50S Is Used
Heavy Machinery Setup
Fine-tune the 425-475 mm end position during large equipment commissioning without machining new hard stops.
Product Size Changeover
Quickly adapt automated lines for different large product dimensions by dialing the rear screw up to 50 mm.
High-Force Positioning
Leverage 28274 N of thrust at 0.9 MPa to move heavy pallets while precisely trimming the retract distance.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX475-50S the Right Cylinder?
Choose this 200 mm bore when 15708 N of push force at 0.5 MPa is insufficient, or step down to a 160 mm bore if 10053 N is enough for your application. The 50 mm adjustment range is perfect for product-size changeovers on a line, saving the cost of swapping cylinders. For load-holding without live air, select a SAIL or BSAI cylinder instead.
When replacing an ISO 15552 cylinder, match the 475 mm stroke, 50 mm adjuster, G3/4 port, and -S magnet. Because the stroke is 475 mm, the long unsupported rod requires an external guide to prevent excessive side-loading. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ200AX475-50S FAQ
At 0.5 MPa it provides 15708 N push and 15080 N pull force. At 0.9 MPa, the push force reaches 28274 N.
The rear adjuster acts as a mechanical stop, allowing you to shorten the 475 mm nominal stroke by up to 50 mm, creating a 425-475 mm travel window. It does not lock the load without air pressure.
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Standard models usually ship in 3-4 days.
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