Airtac SAIJ200 Adjustable Cylinder SAIJ200AX200-40
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX200-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 200mm 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
- Stroke200 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX200-40
The AirTAC SAIJ200X200-40 is a double-acting ISO 15552 profile cylinder engineered for heavy-duty applications. It integrates a rear stopper mechanism that allows you to trim the effective travel back by up to 40 mm. This creates a usable stroke window of 160 to 200 mm, providing precise end-position tuning at commissioning without the need to swap out the entire cylinder or bolt on external stops. Delivering a robust 15708 N of push force at 0.5 MPa, it is built for demanding industrial environments.
This 200 mm bore model features a 40 mm piston rod with an M36x2 thread, paired with PT (tapered) G3/4 ports for high flow. The rod is constructed from SUS420J2 stainless steel (material code A), offering excellent corrosion resistance. The extruded aluminum barrel includes sensor grooves on both sides, though this specific SKU is configured without a magnet. The variable air cushions at both ends provide adjustable deceleration, but note that neither the cushions nor the rear adjuster act as a lock to hold the load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX200-40 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX200-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 200 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 SAIJ200AX200-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×200 | 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 SAIJ200AX200-40 Is Used
Heavy Machinery Setup
Fine-tune the 160-200 mm travel window during heavy machinery commissioning to achieve precise end-position alignment without machining custom spacers.
Product Changeover
Quickly adapt automated lines for different product sizes by dialing back the stroke up to 40 mm, ensuring accurate positioning without swapping cylinders.
Press Operations
Leverage the 15708 N push force for heavy pressing and forming tasks, using the adjustable end-stop to regulate the exact depth of travel.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX200-40 the Right Cylinder?
Selecting this 200 mm bore model is ideal when your application requires massive thrust—up to 15708 N push and 15080 N pull at 0.5 MPa. If your force requirements are lower, stepping down to a 160 mm bore yields 10053 N of push force, which may be more efficient and cost-effective. The defining feature of this SAIJ variant is its 40 mm adjustment range, which allows operators to dial in the exact end-stop position during machine setup or product changeover, a significant advantage over the fixed-stroke SAI series.
When replacing an ISO 15552 cylinder, match the 200 mm bore, 200 mm stroke, PT G3/4 port, and the specific 40 mm adjustment code. Because this unit lacks a magnet, position sensing is not possible without modification; if you require feedback, consider adding the -S option for CMSE reed or DMSE solid-state sensors. For load-holding applications without live air pressure, this cylinder is insufficient—the rear adjuster is strictly a travel stop. You should instead explore the SAIL series with an air-released lock or the BSAI clamp-lock cylinder.
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 SAIJ200AX200-40 FAQ
It features a rear adjusting screw that allows you to shorten the nominal 200 mm stroke by up to 40 mm, creating a usable travel window of 160 to 200 mm. This allows for fine-tuning the end position at commissioning without changing the cylinder.
At an operating pressure of 0.5 MPa, the SAIJ200X200-40 provides a push force of 15708 N and a pull force of 15080 N. The maximum thrust is 3204 kgf at 1.0 MPa.
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