Airtac SAIJ200 Adjustable Cylinder SAIJ200AX475-40S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX475-40S 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 SAIJ200AX475-40S
The AirTAC SAIJ200X475-40-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear mechanical stroke adjuster. It delivers massive thrust, pushing 21991 N at 0.7 MPa, making it suited for heavy-duty industrial pressing. The integrated -40 mm adjustment screw allows you to trim the effective travel back, creating a precise 435-475 mm usable window for fine-tuning end positions during machine commissioning.
This unit features a SUS420J2 stainless steel rod (option A) for enhanced corrosion resistance and includes a magnet (-S) for position sensing. You can mount CMSE reed or DMSE electronic switches directly into the sensor grooves on both sides of the extruded aluminum barrel. The PT tapered ports are G3/4, and the cylinder operates at speeds between 30-500 mm/s.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX475-40S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX475-40S |
|---|---|
| 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 SAIJ200AX475-40S
| 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 SAIJ200AX475-40S Is Used
Heavy Press Tuning
Dial in the exact 435-475 mm end-of-stroke position for heavy pressing operations without repositioning the entire machine fixture.
Product Changeovers
Quickly adapt the cylinder's effective travel on the fly to accommodate different sized products moving down a high-force assembly line.
Sensor Equipped Sorting
Utilize the integrated magnet with DMSE electronic sensors to confirm actuation states while adjusting the rear stopper for varying package dimensions.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX475-40S the Right Cylinder?
Selecting this 200 mm bore cylinder is appropriate when your application requires up to 3204 kgf of maximum force at 1.0 MPa. If your load demands are lower, stepping down to a 160 mm bore provides 14074 N of push force at 0.7 MPa, which may reduce air consumption. Choose this adjustable SAIJ variant over a fixed-stroke SAI when you need variable end-stops to accommodate product-size changeovers without physically swapping the cylinder or adding external stops.
Because the nominal stroke is 475 mm, an unsupported load of this size requires external guiding to prevent excessive side-loading on the rod. Remember that the rear adjuster acts only as a travel stop and the air cushions handle deceleration; neither will hold the load safely without live air pressure. For true load-holding without continuous air, consider an external pilot-operated check valve or a related AirTAC locking type like the SAIL or BSAI. To match this ISO 15552 footprint exactly, specify the 200 mm bore, 475 mm stroke, -40 adjustment, PT G3/4 ports, SUS420J2 rod, and the -S magnet.
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 SAIJ200AX475-40S FAQ
The rear adjuster acts as an external stopper that lets you shorten the nominal 475 mm stroke by up to 40 mm. This provides a usable travel window of 435-475 mm, allowing you to fine-tune the end position at commissioning without changing the cylinder.
At a 0.7 MPa operating pressure, the push force is 21991 N and the pull force is 15080 N. At the maximum 1.0 MPa pressure, it can deliver a peak push force of 3204 kgf.
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