Airtac SAIJ200 Adjustable Cylinder SAIJ200AX180-100S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX180-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 180mm 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
- Stroke180 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX180-100S
The AirTAC SAIJ200X180-100-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers massive thrust, pushing 15708N and pulling 15080N at 0.5 MPa, making it suited for heavy-duty operations. The built-in rear stopper allows you to dial back the nominal 180mm stroke by up to 100mm, creating a highly flexible 80-180mm usable travel window for precise end-position tuning during commissioning.
This unit features a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance and carries the -S magnet option for seamless integration with AirTAC CMSE reed and DMSE electronic sensors. It uses PT tapered ports and includes adjustable air cushions at both ends to decelerate heavy loads smoothly. Remember that the rear adjuster functions strictly as a travel stop and does not lock the load without continuous live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX180-100S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX180-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 180 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 SAIJ200AX180-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×180 | 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 SAIJ200AX180-100S Is Used
Heavy Press Tuning
Dial in the exact 80-180mm contact distance on heavy stamping presses without machining new hard stops, ensuring precise force application.
Product Changeover Stops
Quickly reconfigure the retract end position on a conveyor diverting station when switching between different pallet sizes on the same line.
Large Assembly Setback
Adjust the rear travel limit during initial machine commissioning to perfectly align large component placement without external shock absorbers.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX180-100S the Right Cylinder?
Selecting this 200mm bore cylinder is appropriate when your application requires up to 318 kgf of maximum output force. If your load demands less energy, stepping down to a 160mm bore provides 10053N of push force at 0.5 MPa, which may offer a more efficient air consumption profile. The 100mm adjustment range is ideal for production lines running mixed product sizes, allowing you to reconfigure the end-stop on the fly without physically swapping the cylinder or adding external stops. For any load-holding requirements without live air pressure, this standard adjustable cylinder is insufficient; you should instead evaluate the SAIL pneumatic lock or BSAI clamp-lock series.
To replace an existing cylinder, match the 200mm bore, 180mm nominal stroke, 100mm adjustment code, PT port thread, and the -S magnet requirement. This SAIJ model supports a mounting subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting FB, CA, CB, and CR brackets. Because the stroke is 180mm, side-load stress on the 40mm rod is moderate, but for any application extending beyond 300mm, an external guide would be mandatory to prevent rod bending.
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 SAIJ200AX180-100S FAQ
At 0.5 MPa operating pressure, this 200mm bore cylinder provides 15708N of push force and 15080N of pull force. At its maximum 1.0 MPa pressure, it can deliver up to 3204 kgf.
The rear adjuster acts as an external stopper that lets you shorten the effective stroke from its 180mm nominal length down to as little as 80mm. This creates an 80-180mm usable travel window, but it only sets the end position; it does not lock the load without live air.
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