Airtac SAIJ200 Adjustable Cylinder SAIJ200AX300-100
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX300-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 300mm 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
- Stroke300 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX300-100
The AirTAC SAIJ200X300-100 is a double-acting ISO 15552 profile cylinder featuring a 200mm bore and a 300mm nominal stroke. A rear mechanical stopper provides up to 100mm of adjustable travel, yielding a usable end-position window between 200 and 300mm for precise machine setup. It delivers exceptional force, generating 21991N of push thrust at 0.7 MPa while operating at speeds of 30-500 mm/s.
This heavy-duty actuator uses a SUS420J2 stainless steel rod (option A) for high corrosion resistance and features PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for mounting switches. Because the 300mm stroke is substantial, the 40mm rod diameter and M36x2 thread provide robust support, yet an external guide is still recommended to manage side loads on long travels.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX300-100 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX300-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 300 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 SAIJ200AX300-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×300 | 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 SAIJ200AX300-100 Is Used
Heavy Press Tuning
Dial in the exact 200-300mm end-stop during heavy press commissioning to accommodate varying material thicknesses without adding external stops.
Automated Line Changeover
Adjust the retract position on the fly when switching machinery setups to handle different large-scale product dimensions.
Large Assembly Positioning
Fine-tune the travel end for heavy assembly jigs, using the 100mm adjustment window to perfectly seat large components.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX300-100 the Right Cylinder?
Select this 200mm bore actuator when an application demands extreme thrust—up to 3204 kgf at 1.0 MPa—and on-the-fly stroke tuning. If 21991N at 0.7 MPa exceeds your requirement, stepping down to a 160mm bore yields 14074N push force. The SAIJ200X300-100 is chosen over a fixed SAI cylinder when product changeovers require variable end-stops without physically swapping the actuator. Mounting options include the reduced SAIJ set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR.
For ISO 15552 dimensional interchangeability, verify the 200mm bore, 300mm stroke, 100mm adjustment range, PT G3/4 port, and your required mounting bracket. Note that the rear adjuster and air cushions only decelerate the load; they do not hold it without live air. For true load-holding without pressure, consider the SAIL or BSAI series, or an external rod lock.
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 SAIJ200AX300-100 FAQ
At a standard 0.7 MPa operating pressure, this 200mm bore cylinder provides 21991N of push thrust and 15080N of pull thrust. At its maximum 1.0 MPa pressure, it can deliver up to 3204 kgf.
The rear adjuster acts as a mechanical stop that lets you trim the effective stroke by up to 100mm, providing a usable travel window of 200 to 300mm. It sets the end position but does not lock the load without live air pressure.
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