Airtac SAIJ200 Adjustable Cylinder SAIJ200X900-40S
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X900-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 900mm 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
- Stroke900 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 SAIJ200X900-40S
The AirTAC SAIJ200X900-40-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, enabling a usable travel window of 860 to 900 mm. The extruded aluminum barrel features sensor grooves on both sides, and because this unit includes a magnet (-S), it directly supports AirTAC CMSE reed and DMSE electronic solid-state switches for precise end-of-stroke detection.
This model utilizes a robust 40 mm carbon steel piston rod with an M36x2 thread, engineered to handle substantial side loads, though the 900 mm stroke length mandates an external guide to prevent rod sag and bearing wear. The rear adjuster functions strictly as a travel stop to dial in the retract position without swapping the cylinder, and it must not be confused with a locking mechanism. For applications requiring true load-holding without live air pressure, the SAIL or BSAI series should be specified instead.
Airtac SAIJ200 Adjustable Cylinder SAIJ200X900-40S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X900-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 900 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 SAIJ200X900-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×900 | 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 SAIJ200X900-40S Is Used
Variable End-Stop Tuning
Dial in the retract position within the 860-900 mm window during machine commissioning to perfectly align large stamping or pressing dies without physically swapping the actuator.
Product Size Changeover
Quickly adapt a heavy-duty conveyor or lifting station to accommodate different pallet heights or product dimensions by adjusting the rear stopper screw on the fly.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200X900-40S the Right Cylinder?
Selecting this 200 mm bore cylinder is appropriate when your application requires the upper limit of standard thrust, pushing 21991 N at 0.7 MPa. The integrated 40 mm rear adjuster is chosen over a fixed-stroke SAI cylinder when machinery requires variable end-stops for product size changeovers or fine-tuning at commissioning without adding external stopper blocks.
When replacing an ISO 15552 cylinder, match these exact specifications: 200 mm bore, 900 mm stroke, 40 mm adjustment range, PT tapered port thread (G3/4), and the -S magnet option. The compatible mounting set is limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2, intentionally omitting FB, CA, CB, and CR brackets. Because the stroke is 900 mm, you must support the load with an external linear guide to prevent excessive side-loading on the rod.
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 SAIJ200X900-40S FAQ
At the maximum 1.0 MPa operating pressure, it can deliver up to 3204 kgf of thrust.
The rear adjuster acts as a mechanical stop that allows you to shorten the nominal 900 mm stroke by up to 40 mm, providing an effective travel window of 860 to 900 mm. This stopper only sets the end position and deceleration; it does not lock or hold the load without continuous air pressure.
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