Airtac SAIJ200 Adjustable Cylinder SAIJ200AX600-50
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX600-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 600mm 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
- Stroke600 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX600-50
The AirTAC SAIJ200X600-50 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a massive 28274N of push force at 0.9 MPa and uses a PT tapered G3/4 port. The integrated adjuster allows you to trim the nominal 600mm stroke back by up to 50mm, creating a precise 550-600mm usable travel window for fine-tuning machinery during commissioning.
This unit features a SUS420J2 stainless steel rod for enhanced corrosion resistance and includes adjustable air cushions at both ends to absorb heavy kinetic energy. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting, though this specific SKU is configured without a magnet. The rear stopper acts solely as a travel end deceleration device, not a lock, so live air pressure is required to hold the load.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX600-50 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX600-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 600 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 SAIJ200AX600-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×600 | 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 SAIJ200AX600-50 Is Used
Heavy Press Changeover
Dial in the 550-600mm travel window during product size changes on a heavy press line, using the rear screw to fine-tune the end position without changing the cylinder.
Large Fixture Tuning
Achieve exact end-stop positioning on large machining fixtures by trimming the stroke up to 50mm, compensating for mechanical tolerance stack-ups at commissioning.
Bulk Material Diverter
Adjust the retract end-stop on a heavy-duty bulk material diverter gate to accommodate varying package sizes or flow rates without adding external mechanical stops.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX600-50 the Right Cylinder?
Choose this 200mm bore profile cylinder when an application requires extreme thrust—up to 15708N at just 0.5 MPa. If 15080N of pull force at 0.5 MPa is excessive, stepping down to a 160mm bore offers a lighter, more compact footprint. The 50mm adjustment range is ideal for product changeovers where the exact end-of-stroke position varies slightly, eliminating the need to swap out a fixed-stroke SAI cylinder or bolt on external stops.
Because the total stroke is 600mm, the long unsupported rod travel necessitates an external guide to prevent excessive side-loading and premature seal wear. For applications requiring true load-holding without continuous air pressure, this plain SAIJ cylinder is insufficient; consider an AirTAC SAIL pneumatic lock or BSAI clamp-lock cylinder instead. When replacing an ISO 15552 unit, match the 200mm bore, 600mm stroke, 50mm adjustment, PT G3/4 port, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, 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 SAIJ200AX600-50 FAQ
At the maximum operating pressure of 1.0 MPa, this 200mm bore cylinder generates a maximum push force of 15708N and a pull force of 15080N. At a standard 0.7 MPa, it provides 21991N of push force.
The rear adjuster screw allows you to shorten the 600mm nominal stroke by up to 50mm, providing a usable travel window of 550-600mm. This stopper only sets the travel end and decelerates the load; it does not lock or hold the load without live air pressure.
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