Airtac SAIJ200 Adjustable Cylinder SAIJ200AX600-50S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX600-50S 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 SAIJ200AX600-50S
The AirTAC SAIJ200X600-50-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 550-600 mm usable travel window from its 600 mm nominal stroke. Equipped with a SUS420J2 stainless steel rod (option A) and a -S magnet for CMSE or DMSE sensors, it delivers 15708 N of push force at 0.5 MPa and safely handles up to 3204 kgf at 1.0 MPa. The PT tapered port threads and integrated variable air cushions at both ends ensure robust shock absorption for heavy masses.
Unlike fixed-stroke SAI units, this model allows precise end-position tuning during commissioning without swapping the barrel or adding external stops. The rear adjuster acts purely as a travel stop for deceleration, meaning it will not hold the load without live air pressure. For load-holding requirements, consider the BSAI clamp-lock series or an external pilot-operated check valve.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX600-50S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX600-50S |
|---|---|
| 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 SAIJ200AX600-50S
| 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 SAIJ200AX600-50S Is Used
Heavy Machinery Changeover
Dial in the 550-600 mm travel window during heavy equipment setup to accommodate different product lengths without machining new hard stops.
Large Press Positioning
Fine-tune the end-of-stroke position on large presses where the 15708 N thrust at 0.5 MPa is needed for forming operations.
Bulk Material Diversion
Adjust the retract distance on heavy-duty conveyor diverters to handle varying pallet sizes while relying on the cushions for smooth stops.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX600-50S the Right Cylinder?
Select this 200 mm bore when 160 mm (yielding 10053 N push at 0.5 MPa) is insufficient for your moving mass, but avoid oversizing if 125 mm (6136 N) already covers the payload to save space and air volume. The adjustable 550-600 mm window is ideal for product changeovers on large machines where exact end-of-stroke positioning varies. Because the 600 mm stroke is long and the piston rod is 40 mm, you must use an external guide to prevent side-load damage to the front seal. This SAIJ variant uses PT ports, a SUS420J2 rod, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting FB, CA, CB, and CR brackets.
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 SAIJ200AX600-50S FAQ
At 0.5 MPa operating pressure, it provides 15708 N of push force and 15080 N of pull force. At the maximum 1.0 MPa, it can generate up to 3204 kgf.
The rear adjuster screw lets you trim the effective travel back by up to 50 mm, creating a 550-600 mm usable window. It acts as a mechanical stop to tune the end position and is not a lock to hold the load without air.
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