Airtac SAIJ200 Adjustable Cylinder SAIJ200AX225-100S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX225-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 225mm 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
- Stroke225 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX225-100S
The AirTAC SAIJ200X225-100-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 225 mm travel by up to 100 mm. This creates a highly flexible 125-225 mm usable window, ideal for dialing in exact end positions during commissioning without external stops. As an extruded aluminum profile cylinder, it is dimensionally interchangeable with ISO 15552 cylinders.
Delivering massive thrust, this 200 mm bore unit outputs 21991 N of push force at 0.7 MPa. It features a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance, a 40 mm rod with M36x2 threading, and a built-in magnet (-S) for use with AirTAC CMSE reed and DMSE electronic sensors mounted in the dual-side sensor grooves.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX225-100S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX225-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 225 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 SAIJ200AX225-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×225 | 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 SAIJ200AX225-100S Is Used
Heavy Press Tuning
Fine-tune the 125-225 mm pressing depth on heavy machinery during setup, ensuring perfect material forming without swapping out the entire cylinder.
Product Changeover Stops
Adjust the rear stopper by up to 100 mm to accommodate different pallet or product sizes on a high-capacity conveyor line.
Large Assembly Calibration
Dial in the exact end-of-stroke position during machine commissioning to prevent crushing forces on large components.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX225-100S the Right Cylinder?
Select this 200 mm bore cylinder when your application requires extreme force, specifically the 21991 N push force at 0.7 MPa, alongside variable end-position tuning. If you need less force, stepping down to a 160 mm bore yields 14074 N at 0.5 MPa, but the SAIJ200X225-100-S provides the highest thrust class available. The PT tapered port thread is G3/4, and the recommended operating speed is 30-500 mm/s.
Because the 225 mm stroke exceeds 300 mm when fully extended in some adjacent configurations, always support long strokes with an external guide to prevent side-loading damage, as even the robust 40 mm rod has limits. Remember that the rear adjuster is a travel stop, not a lock; this SAIJ cylinder will not hold a load without live air. For load-holding requirements without pneumatic pressure, utilize an external rod lock or explore the AirTAC SAIL or BSAI series. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ200AX225-100S FAQ
At an operating pressure of 0.7 MPa, this 200 mm bore cylinder provides a push force of 21991 N and a pull force of 15080 N. At 0.9 MPa, the push force increases to 28274 N.
The rear adjuster acts as an external stop that can shorten the effective travel by up to 100 mm, providing a usable stroke window of 125 to 225 mm. It sets the end position but does not lock the load without continuous air pressure.
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