Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-20S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-20S 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 SAIJ200AX150-20S
The AirTAC SAIJ200X150-20-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 150 mm travel to a precise 130-150 mm window during commissioning. Built with a SUS420J2 stainless steel rod (code A) and a PT tapered port, it delivers massive thrust up to 15708 N at 0.5 MPa, making it ideal for heavy-duty pressing and clamping.
This adjustable-stroke model includes a magnet (-S) for direct compatibility with AirTAC CMSE reed and DMSE electronic sensors, which seat neatly into the sensor grooves on both sides of the extruded aluminum barrel. The rear adjuster acts purely as a travel stop to fine-tune the end position without adding external stops, while the robust 40 mm rod and M36x2 thread provide excellent structural rigidity for demanding industrial environments.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-20S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-20S |
|---|---|
| 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 SAIJ200AX150-20S
| 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 SAIJ200AX150-20S Is Used
Heavy-Duty Pressing
Apply up to 21991 N of push force at 0.7 MPa while using the 20 mm rear adjuster to fine-tune the exact bottoming position for different material thicknesses.
Product Diversion
Handle large payload diverters on a conveyor, dialing the stroke back from 150 mm to 130 mm to accommodate varying package sizes without swapping hardware.
Machine Changeover
Speed up production line format changes by turning the rear stopper screw to set new end positions instantly, avoiding the need to physically remount the cylinder.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-20S the Right Cylinder?
Select this 200 mm bore cylinder when your application requires extreme force, such as 15708 N push or 15080 N pull at 0.5 MPa, and you need the flexibility to trim the retract end-position by up to 20 mm for product size changeovers. If your setup requires less force, stepping down to a 160 mm bore yields 10053 N of push force at 0.5 MPa, whereas staying with the 200 bore ensures maximum rigidity.
Because the stroke is 150 mm, the long unsupported rod requires an external guide to prevent excessive side-loading and premature seal wear. For load-holding without live air pressure, note that this cylinder's rear adjuster and air cushions function only as travel stops and deceleration, not as locks; you should instead integrate an AirTAC SAIL or BSAI locking cylinder, or an external pilot-operated check valve. To match this ISO 15552 interchangeable cylinder, specify a 200 mm bore, 150 mm stroke, 20 mm adjustment, PT G3/4 port, SUS420J2 rod, and a -S magnet.
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 SAIJ200AX150-20S FAQ
At 0.5 MPa, 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 screw acts as a mechanical stop that lets you shorten the effective stroke from the nominal 150 mm down to 130 mm, creating a 130-150 mm usable travel window for precise end-position tuning. It does not lock the load without live air pressure.
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