Airtac SAIJ200 Adjustable Cylinder SAIJ200AX105-50S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX105-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 105mm 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
- Stroke105 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX105-50S
The AirTAC SAIJ200X105-50-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, enabling you to dial back the nominal 105 mm travel by up to 50 mm. This yields a highly flexible 55-105 mm usable window, letting you fine-tune the retract end-position at commissioning without swapping hardware or adding external stops. As the largest bore in the series, it delivers immense thrust, pushing 28274 N at 0.9 MPa and pulling 15080 N at 0.5 MPa.
This unit features a SUS420J2 stainless steel rod (option A) for improved corrosion resistance and includes a magnet for position sensing. It pairs seamlessly with AirTAC CMSE reed and DMSE solid-state switches via the dual sensor grooves machined into the extruded aluminum barrel. Fluid supply is routed through PT tapered G3/4 ports, and the variable air cushions at both ends absorb kinetic energy across its 30-500 mm/s operating speed range.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX105-50S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX105-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 105 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 SAIJ200AX105-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×105 | 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 SAIJ200AX105-50S Is Used
Heavy Press Tuning
Dial in the exact 55-105 mm contact distance for large assembly presses, ensuring precise kinetic energy transfer without machining custom spacers.
Product Changeover
Adjust the retract stop on the fly to accommodate varying package sizes on a high-throughput packaging line, minimizing downtime between runs.
Machine Setup
Fine-tune the end position during commissioning of heavy material handling equipment, compensating for mechanical tolerance stack-up directly at the cylinder.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX105-50S the Right Cylinder?
Choose this 200 mm bore when your application requires maximum output force that smaller neighbors cannot provide; stepping down to a 160 mm bore drops your 0.5 MPa push force to 10053 N. The adjustable stroke is ideal for product changeovers on a line, allowing you to shift the end-stop safely and quickly. Because the rear adjuster acts only as a travel stop and the air cushions manage deceleration, neither will hold the load without live air pressure. For fail-safe load holding, integrate an external rod lock or pilot-operated check valve, or select the related SAIL or BSAI cylinder series.
This model is dimensionally interchangeable per ISO 15552. To match this exact configuration for a replacement, specify a 200 mm bore, 105 mm nominal stroke, 50 mm adjustment range, PT G3/4 ports, SUS420J2 rod material, and an -S magnet. It supports the reduced SAIJ mounting set: Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR).
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 SAIJ200AX105-50S FAQ
At 0.9 MPa, this 200 mm bore cylinder provides a push force of 28274 N and a pull force of 18095 N. At 0.5 MPa, it delivers 15708 N push and 15080 N pull.
The rear adjuster screw acts as a mechanical stop that can shorten the 105 mm stroke by up to 50 mm, giving a usable travel window of 55-105 mm. It sets the end-position but does not lock the load without continuous air pressure.
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