Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-30
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 150mm 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
- Stroke150 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-30
The AirTAC SAIJ200X150-30 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a 120-150 mm usable travel window by allowing you to trim up to 30 mm from the 150 mm nominal stroke. In the 200 mm bore class, it generates a substantial 15708 N push force at 0.5 MPa, scaling to 21991 N at 0.7 MPa, making it suited for heavy-duty positioning tasks.
This model uses a SUS420J2 stainless steel piston rod (material code A) for enhanced corrosion resistance compared to standard carbon steel. The extruded aluminum barrel includes sensor grooves on both sides for direct mounting of CMSE reed or DMSE electronic switches. The rear adjuster functions strictly as a travel stop to fine-tune end positions during commissioning; it does not hold the load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-30 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 150 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 SAIJ200AX150-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×150 | 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 SAIJ200AX150-30 Is Used
Heavy Press Changeover
Dial in the 120-150 mm travel window during product size changes to set exact pressing depth without swapping cylinders or reworking machine stops.
Large Fixture Alignment
Fine-tune the end position of heavy 200 mm bore tooling at commissioning, using the 30 mm rear stopper to perfectly seat large assemblies.
Industrial Forming Stops
Adjust the retract end-position on the fly for varying material thicknesses, relying on the 21991 N push force at 0.7 MPa for rigid forming tasks.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-30 the Right Cylinder?
Select this 200 mm bore cylinder when your application requires extreme thrust, such as 15708 N at 0.5 MPa, and needs precise end-position tuning without adding external stops. If your force requirements are lower, stepping down to a 160 mm bore yields 10053 N of push force at 0.5 MPa, which may save space and air consumption. The adjustable 120-150 mm window is ideal for product changeovers where the exact end-of-stroke varies slightly between fixtures.
Because the SAIJ200X150-30 lacks a magnet, it cannot host position sensors without modification; request the -S option if you need CMSE or DMSE switches. This model uses PT tapered ports and supports the reduced SAIJ mounting set: Basic, FA, LB, TC, FTC, TCM1, and TCM2. The rear adjuster only decelerates and sets the travel end; for true load-holding without live air, consider the SAIL or BSAI series. Although the stroke is under 300 mm, the 40 mm rod diameter and M36x2 thread handle high side loads, but an external guide remains best practice for heavy masses.
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 SAIJ200AX150-30 FAQ
At 0.5 MPa operating pressure, this 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force. At 0.7 MPa, the push force increases to 21991 N.
The rear adjuster acts as a mechanical stop that lets you shorten the 150 mm nominal stroke by up to 30 mm, creating a 120-150 mm usable travel window. It is a travel stop for fine-tuning, not a lock, and will not hold the load without continuous air pressure.
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