Airtac SAIJ50 Adjustable Cylinder SAIJ50AX95-50S
The AirTAC Airtac SAIJ50 Adjustable Cylinder SAIJ50AX95-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø50mm bore and 95mm stroke, G1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ50 mm
- Stroke95 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 30 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ50 Adjustable Cylinder SAIJ50AX95-50S
The AirTAC SAIJ50X95-50-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It features a 95 mm nominal stroke that can be dialed back by up to 50 mm, providing a usable travel window of 45 to 95 mm for precise end-position tuning. In the 50 mm bore class, it delivers 982 N of push force and 825 N of pull force at 0.5 MPa, making it well-suited for medium-duty positioning tasks.
This variant includes a SUS420J2 stainless steel rod (material code A) for enhanced resistance to wear and mild corrosion. The extruded aluminum barrel integrates sensor grooves on both sides, and because this SKU includes a magnet (-S), it directly supports AirTAC CMSE reed and DMSE electronic solid-state switches for precise position feedback. The rear adjustment screw acts purely as a travel stop to set the retract end-point, meaning it does not hold the load without continuous live air pressure.
Airtac SAIJ50 Adjustable Cylinder SAIJ50AX95-50S Technical Specifications
| Model | Airtac SAIJ50 Adjustable Cylinder SAIJ50AX95-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 95 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M16×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 30 mm |
| Max stroke | Up to 1200 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 (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ50 Adjustable Cylinder SAIJ50AX95-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 50 | 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 SAIJ50 Adjustable Cylinder SAIJ50AX95-50S Is Used
Machine Changeovers
Dial in the exact retract end-stop between 45 and 95 mm during product size transitions without replacing the cylinder or adding external physical stops.
End-Position Tuning
Fine-tune the final resting position at commissioning to compensate for mechanical tolerances, using the 50 mm adjustment range to perfect the stroke.
Sensor-Ready Automation
Leverage the integrated -S magnet with CMSE reed or DMSE electronic sensors to confirm the adjusted end-position in automated assembly lines.
Is the Airtac SAIJ50 Adjustable Cylinder SAIJ50AX95-50S the Right Cylinder?
Choose this 50 mm bore adjustable-stroke model when your application requires exact end-position tuning during commissioning or frequent product-size changeovers, avoiding the need to physically swap cylinders or bolt on external stops. If your setup needs less force, stepping down to a 40 mm bore yields 628 N of push force at 0.5 MPa; if your payload is heavier, stepping up to a 63 mm bore provides 1559 N. Because the 95 mm stroke is relatively short, side-load stress on the 20 mm rod is minimal, though an external guide is always recommended for heavy lateral loads.
This SAIJ50X95-50-S configuration includes a magnet for CMSE/DMSE sensors, a SUS420J2 stainless steel rod, and PT tapered port threads. It is dimensionally interchangeable per ISO 15552 standards and uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting FB, CA, CB, and CR options. Remember that the rear adjuster and air cushions only control deceleration and end-positioning; for true load-holding without live air, select an AirTAC SAIL or BSAI 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 SAIJ50 Adjustable Cylinder SAIJ50AX95-50S FAQ
At 0.5 MPa operating pressure, this 50 mm bore cylinder provides 982 N of push force and 825 N of pull force. At the maximum 1.0 MPa pressure, it delivers up to 200 kgf of push force.
The rear adjuster screw acts as a mechanical stop that lets you trim the 95 mm nominal stroke back by up to 50 mm, creating a usable travel window of 45 to 95 mm. It only sets the end-position and does not lock or hold the load without continuous air pressure.
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