Airtac SAIJ200 Adjustable Cylinder SAIJ200X450-20
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X450-20 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 SAIJ200X450-20
The AirTAC SAIJ200X450-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the end-of-travel position. With a nominal 450 mm stroke and a 20 mm adjustment range, it provides a usable travel window of 430-450 mm. This adjustability enables precise positioning at commissioning without swapping out the barrel or adding external stops.
Belonging to the 200 mm bore class, it delivers substantial thrust, pushing 21991 N at 0.7 MPa and 28274 N at 0.9 MPa. It features a robust 40 mm carbon steel rod with an M36x2 thread, providing excellent rigidity for heavy loads. The extruded aluminum barrel includes sensor grooves on both sides for direct mounting of CMSE reed or DMSE electronic switches, though a magnet (-S) is required for that functionality.
Airtac SAIJ200 Adjustable Cylinder SAIJ200X450-20 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X450-20 |
|---|---|
| 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 SAIJ200X450-20
| 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 SAIJ200X450-20 Is Used
Heavy Press Fine-Tuning
Dial in the exact 430-450 mm end position for large heavy presses during setup, avoiding the need to machine custom spacers.
Product Line Changeover
Quickly adjust the stroke endpoint by up to 20 mm when switching a large conveyor or handling line to a new product size.
Large Assembly Machines
Provide variable end-stops for massive assembly stations, allowing operators to tune the travel without replacing the entire cylinder.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200X450-20 the Right Cylinder?
Choose this 200 mm bore model when an application demands extreme force alongside variable end-stops, stepping up from a 160 mm bore that yields 14074 N at 0.7 MPa. The adjustable stroke is ideal for heavy product changeovers where the exact end position shifts slightly. It uses a reduced mounting subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR brackets. Ports are PT tapered G3/4.
Because the stroke is 450 mm, the long unsupported rod requires an external guide to prevent excessive side-loading and premature seal wear. Remember that the rear adjuster acts only as a travel stop and does not hold the load without live air; for fail-safe load holding, consider an external rod lock or pilot-operated check valve.
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 SAIJ200X450-20 FAQ
The rear adjuster screw lets you shorten the nominal 450 mm stroke by up to 20 mm, creating a 430-450 mm travel window for exact end-position tuning without external stops.
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1-Year Warranty
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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Most inquiries answered within 7-8 hours.
Related AirTAC SAI Cylinders
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