Airtac SAIJ200 Adjustable Cylinder SAIJ200X500-20S
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X500-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 500mm 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
- Stroke500 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 SAIJ200X500-20S
The AirTAC SAIJ200X500-20-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 480 to 500 mm for precise end-position tuning. This immense thrust makes it ideal for heavy-duty pressing and lifting tasks.
Because this variant includes a magnetic piston (-S), it supports electronic DMSE and reed CMSE position sensing along the dual sensor grooves machined into the extruded aluminum barrel. The rear stopper allows you to dial in the exact retract distance during commissioning without adding external stops. Note that this adjuster acts purely as a travel stop and does not lock the load without continuous air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200X500-20S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X500-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 500 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 SAIJ200X500-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×500 | 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 SAIJ200X500-20S Is Used
Heavy-Duty Press Tuning
Dial in the exact 480-500 mm end-stop during heavy press commissioning to accommodate material thickness variations without re-engineering the fixture.
Product Size Changeover
Quickly adjust the retract distance by up to 20 mm on automated lines when switching between different product heights or tooling setups.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200X500-20S the Right Cylinder?
The adjustable 20 mm window is highly beneficial on long-stroke setups, allowing you to fine-tune the 500 mm travel distance during machine commissioning or product changeovers rather than swapping out a fixed-stroke SAI cylinder. To match this ISO 15552 footprint exactly, specify the 200 mm bore, 500 mm stroke, PT port thread, carbon steel rod, and -S magnet.
Given the 500 mm stroke, the 40 mm rod diameter provides substantial rigidity, but an external guide is strongly recommended to prevent excessive side-loading on the piston. For applications requiring the load to be held mechanically without live air pressure, a standard SAIJ is insufficient; you should explore an external rod lock, a pilot-operated check valve, or the AirTAC SAIL and BSAI locking cylinder series.
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 SAIJ200X500-20S FAQ
The rear adjusting screw acts as a mechanical stopper that lets you trim the effective stroke back by up to 20 mm, creating a 480 to 500 mm travel window. It sets the end position but does not lock the load without live air pressure.
The operating speed range for this 200 mm bore size is 30-500 mm/s.
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