Airtac SAIJ50 Adjustable Cylinder SAIJ50AX300-10S
The AirTAC Airtac SAIJ50 Adjustable Cylinder SAIJ50AX300-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø50mm bore and 300mm 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
- Stroke300 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 30 mm
About the Airtac SAIJ50 Adjustable Cylinder SAIJ50AX300-10S
The AirTAC SAIJ50X300-10-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers 982N of push force at 0.5 MPa and features a 10mm adjustment range, creating a precise 290-300mm usable travel window for fine-tuning the retract end position without external stops.
This variant features an SUS420J2 stainless steel rod (code A) for improved corrosion resistance and includes a magnet (-S) for CMSE reed and DMSE electronic sensors. The extruded aluminum barrel includes sensor grooves on both sides, and the PT tapered ports ensure a tight pneumatic seal.
Airtac SAIJ50 Adjustable Cylinder SAIJ50AX300-10S Technical Specifications
| Model | Airtac SAIJ50 Adjustable Cylinder SAIJ50AX300-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 300 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 SAIJ50AX300-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 50 | 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 SAIJ50 Adjustable Cylinder SAIJ50AX300-10S Is Used
Machine Changeover
Quickly dial in the 290-300mm travel window during product size changes without physically swapping cylinders or adding mechanical shims.
End-Stop Calibration
Fine-tune the retract position at commissioning to achieve exact part placement, utilizing the 10mm rear adjustment screw.
Material Handling
Pushes or diverts items on a line with 982N of thrust, relying on the SUS420J2 stainless rod for durability in varied environments.
Is the Airtac SAIJ50 Adjustable Cylinder SAIJ50AX300-10S the Right Cylinder?
Choose this 50mm bore when an application requires moderate thrust (982N push at 0.5 MPa) alongside exact end-position tuning; if you need less force, the 40mm bore offers 628N, while the 63mm bore provides 1559N. The adjustable stroke is perfect for machine setup and product changeovers, allowing you to dial in the 290-300mm travel window directly at commissioning rather than swapping a fixed-stroke SAI cylinder.
Because the nominal stroke is 300mm, an external guide should be used to support the load and prevent excessive side-loading on the rod. Remember that the rear adjuster is a travel stop, not a lock; the SAIJ does not hold position without live air, so for load-holding requirements consider an external rod lock or the SAIL series. To match this ISO 15552 cylinder, specify the 50mm bore, 300mm stroke, 10mm adjustment, PT port thread, and -S magnet.
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 SAIJ50AX300-10S FAQ
At 0.5 MPa operating pressure, this 50mm bore cylinder provides 982N of push force and 825N of pull force. At 0.7 MPa, the push force increases to 1374N.
The rear adjuster screw allows you to shorten the effective stroke by up to 10mm, providing a usable travel window of 290-300mm. This stopper only sets the end position; it does not lock the load without live air pressure.
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