Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-40
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 190mm 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
- Stroke190 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-40
The AirTAC SAIJ200X190-40 is a double-acting ISO 15552 profile cylinder engineered for heavy-duty tasks, delivering a substantial 15708N push force at 0.5 MPa. It features a rear adjusting screw that allows you to fine-tune the stroke, providing a usable travel window between 150 and 190 mm without changing the entire unit. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement.
This variant utilizes a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance and features PT tapered port threads. The rear stopper simply acts as a travel limit to dial in the end position during product changeovers; it is not a locking device and will not hold the load without continuous live air pressure. For load-holding requirements, consider the SAIL or BSAI series.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-40 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 190 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 SAIJ200AX190-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×190 | 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 SAIJ200AX190-40 Is Used
Heavy Press Tuning
Dial in the exact 150-190mm end-stop during heavy press commissioning to accommodate varying material thicknesses without swapping cylinders.
Product Line Changeover
Adjust the rear stopper quickly during product size changes on the line, utilizing the 15708N force to handle massive payloads efficiently.
Large Assembly Positioning
Fine-tune the retraction point for large-scale assembly tooling, relying on the robust 40mm rod and M36x2 thread to withstand high side loads.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-40 the Right Cylinder?
Selecting this 200mm bore cylinder makes sense when your application demands extreme thrust—up to 15708N push at 0.5 MPa—and you need precise end-position tuning on the fly. If your force requirements are lower, stepping down to a 160mm bore yields 10053N of push force while saving physical space. The SAIJ200X190-40 is chosen over a fixed SAI cylinder when machine setups require variable end stops or commissioning adjustments. Because the 190mm stroke exceeds 300mm? No, but at this massive bore size, guiding the load externally is still critical to prevent side-load damage to the rod seals.
To match this ISO 15552 dimensionally interchangeable cylinder, confirm the 200mm bore, 190mm nominal stroke, 40mm adjustment range, PT port threads, and the SUS420J2 rod material. It supports a mounting subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR). Operating speed ranges from 30-500 mm/s.
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 SAIJ200AX190-40 FAQ
At 0.5 MPa, this 200mm bore cylinder provides a push force of 15708N and a pull force of 15080N. At 0.7 MPa, the push force increases to 21991N.
The rear adjuster screw allows you to shorten the effective travel from the 190mm nominal stroke down to 150mm. This stopper sets the end position but does not lock the load without live air pressure.
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