Airtac SAIJ200 Adjustable Cylinder SAIJ200AX225-30
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX225-30 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 SAIJ200AX225-30
The AirTAC SAIJ200X225-30 is a double-acting ISO 15552 profile cylinder featuring a rear mechanical adjuster that allows you to fine-tune the stroke during commissioning. It provides a usable travel window of 195-225mm, enabling precise end-position calibration without adding external stops. Built to deliver immense thrust, it generates 21991N of push force at 0.7MPa. The piston rod is constructed from SUS420J2 stainless steel (material code A), offering excellent corrosion resistance for demanding environments.
This model features a PT tapered port thread and operates at speeds of 30-500mm/s. It includes adjustable air cushions at both ends to decelerate the heavy load, but remember the adjuster acts only as a travel stop, not a lock. For applications requiring position holding without live air pressure, an external pilot-operated check valve or a related SAIL locking cylinder is required.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX225-30 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX225-30 |
|---|---|
| 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 SAIJ200AX225-30
| 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 SAIJ200AX225-30 Is Used
Heavy Press Tuning
Dial in the exact 195-225mm travel window during heavy press commissioning to accommodate material thickness variations without swapping cylinders.
Product Changeover
Adjust the rear stopper on the fly during packaging line changeovers to handle different product sizes quickly and safely.
Large Assembly End-Stop
Use the precise stroke adjustment to set the final end-position for large-scale assembly tooling, ensuring perfect alignment without external stops.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX225-30 the Right Cylinder?
Choose this 200mm bore cylinder when your application requires maximum thrust, pulling 15080N at 0.5MPa, and you need the flexibility to dial in the exact end position on the fly. If your force requirements are lower, stepping down to a 160mm bore yields 9425N of pull force at 0.5MPa, which may suffice for lighter loads. The SAIJ200X225-30 is selected over a fixed-stroke SAI when product changeovers demand a variable end-stop. To replace an ISO 15552 cylinder, match the 200mm bore, 225mm stroke, 30mm adjustment, PT G3/4 port, and your required mounting interface. It supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, omitting FB, CA, CB, and CR options.
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 SAIJ200AX225-30 FAQ
At a standard operating pressure of 0.7 MPa, this 200mm bore cylinder generates a push force of 21991N and a pull force of 2050 kgf (approximately 20104N). At 0.5 MPa, it provides 15708N of push force.
The rear adjuster acts as a mechanical stop that lets you shorten the effective travel from the nominal 225mm down to a minimum of 195mm. It allows fine-tuning of the end position without replacing the cylinder, though it does not lock the load without live air pressure.
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