Airtac SAIJ200 Adjustable Cylinder SAIJ200AX95-50
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX95-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 95mm 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
- Stroke95 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX95-50
The AirTAC SAIJ200X95-50 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 45 to 95 mm, letting you dial back the nominal 95 mm stroke by up to 50 mm during commissioning. Belonging to the 200 mm bore class, it delivers massive thrust up to 28274 N at 0.9 MPa, making it suitable for heavy-duty press and clamp operations.
This variant uses a SUS420J2 stainless steel piston rod for enhanced corrosion resistance and features PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, and the rear adjuster functions purely as a mechanical stop to fine-tune the end position without needing external stops or cylinder swaps.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX95-50 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX95-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 95 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 SAIJ200AX95-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×95 | 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 SAIJ200AX95-50 Is Used
Heavy Press Tuning
Dial in the exact 45-95 mm clamping depth on heavy stamping presses without swapping cylinders or adding external mechanical stops.
Product Line Changeover
Quickly adjust the retract end-position to accommodate new product heights or thicknesses during automated line changeovers.
Large Assembly Fixturing
Fine-tune the end-stop on large-scale assembly fixtures where heavy 28274 N forces are required to seat massive components.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX95-50 the Right Cylinder?
Select this 200 mm bore cylinder when an application requires immense force—stepping down to a 160 mm bore drops the 0.5 MPa push force to 10053 N. Choose the SAIJ adjustable-stroke design over a fixed SAI model when you need variable end-stops for product changeovers. To match this ISO 15552 replacement exactly, specify the 200 mm bore, 95 mm stroke, 50 mm adjustment, PT port thread, and no magnet. Note that the 200 mm bore operates at a slower 30-500 mm/s speed range.
Because the 95 mm stroke is relatively short for this large bore, side-load risks are minimal, but the heavy mass still requires robust mounting. The rear adjuster and air cushions only decelerate the load; they do not hold position without live air. For fail-safe load holding, consider an SAIL air-released lock or a BSAI clamp-lock cylinder.
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 SAIJ200AX95-50 FAQ
At 0.9 MPa operating pressure, this 200 mm bore cylinder generates a maximum push force of 28274 N. At 0.5 MPa, it provides 15708 N of push force and 15080 N of pull force.
The rear adjusting screw acts as a mechanical stop, allowing you to shorten the effective stroke from 95 mm down to as little as 45 mm. This provides a 45-95 mm usable travel window for fine-tuning the end position at commissioning without replacing the cylinder.
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