Airtac SAIJ200 Adjustable Cylinder SAIJ200X450-20S
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X450-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 450mm 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
- Stroke450 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 SAIJ200X450-20S
The AirTAC SAIJ200X450-20-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, enabling precise end-position tuning without adding external stops. With a 450 mm nominal stroke and a 20 mm adjustment range, it provides a usable travel window of 430 to 450 mm. This feature simplifies machine setup and product changeovers directly at commissioning.
The extruded aluminum barrel incorporates sensor grooves on both sides, and the carbon steel rod with an M36x2 thread handles heavy loads. The rear adjuster acts purely as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200X450-20S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X450-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 450 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 SAIJ200X450-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×450 | 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 SAIJ200X450-20S Is Used
Heavy Press Tuning
Fine-tune the 430-450 mm retract position during heavy-duty press commissioning to accommodate varying material thicknesses without external stopper blocks.
Automated Line Changeover
Adjust the stroke end-point on the fly during product size changeovers, saving time by avoiding complete cylinder removal or mechanical repositioning.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200X450-20S the Right Cylinder?
Select this 200 mm bore cylinder when an application requires substantial thrust, such as 21991 N at 0.7 MPa, alongside variable end-stops. If your process needs less force, stepping down to a 160 mm bore yields 14074 N at 0.7 MPa, while the 200 mm bore is reserved for heavy-duty pressing. The PT tapered port and G3/4 thread size match the bore's standard airflow requirements.
Because the 450 mm stroke is substantial, the 40 mm carbon steel rod will experience side-loading if the load is unsupported; an external guide is recommended. The rear adjuster fine-tunes the retract position but is not a locking device—for load-holding without live air, consider the SAIL or BSAI series. This SAIJ model uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and 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 SAIJ200X450-20S FAQ
The maximum push force is 28274 N at 0.9 MPa.
The rear adjuster screw allows you to shorten the effective stroke by up to 20 mm, creating a usable travel window of 430 to 450 mm. It acts as a mechanical stop for end-position tuning and does not lock the load without continuous air pressure.
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Covers non-human-caused product damage.
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Standard models are processed and dispatched in 3-5 business days.
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