Airtac SAIJ50 Adjustable Cylinder SAIJ50AX950-10
The AirTAC Airtac SAIJ50 Adjustable Cylinder SAIJ50AX950-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø50mm bore and 950mm 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
- Stroke950 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 SAIJ50AX950-10
The AirTAC SAIJ50X950-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that permits a usable travel window of 940 to 950 mm. Delivering 982 N of push thrust at 0.5 MPa, it is built with a SUS420J2 stainless steel rod for enhanced corrosion resistance and features PT tapered port threading. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting.
This adjustable-stroke design allows you to fine-tune the retract end position during commissioning without adding external stops. The 10 mm adjustment screw acts purely as a travel stopper and does not lock the load without live air pressure. For position holding without continuous air, an external rod lock or related SAIL lock cylinder is required.
Airtac SAIJ50 Adjustable Cylinder SAIJ50AX950-10 Technical Specifications
| Model | Airtac SAIJ50 Adjustable Cylinder SAIJ50AX950-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 950 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 SAIJ50AX950-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×950 | 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 SAIJ50AX950-10 Is Used
Machine Changeover
Dial in the 940-950 mm retract position precisely during product size changes without physically replacing the cylinder or reworking external stop blocks.
Long-Stroke Diverting
Ideal for long-travel conveyor sorting arms where the 10 mm rear stopper fine-tunes the exact resting position to match varying package dimensions.
End-Position Tuning
Perfectly trim the end-of-stroke location during initial commissioning to absorb mechanical tolerances in a long 950 mm travel assembly.
Is the Airtac SAIJ50 Adjustable Cylinder SAIJ50AX950-10 the Right Cylinder?
Choose this 50 mm bore when your application requires roughly 982 N of push force at 0.5 MPa, stepping up from a 40 mm bore that provides 628 N. The adjustable stroke is ideal for machine setup and product changeover, letting you dial in the exact end position on the fly instead of swapping to a fixed-stroke SAI cylinder. When matching an ISO 15552 replacement, verify the 950 mm stroke, 10 mm adjustment, PT port, and required mounting set.
Because the 950 mm stroke is long, the 20 mm rod diameter and M16x1.5 thread will still experience deflection under high side loads; always use an external guide to prevent premature seal wear. Note that SAIJ supports a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR brackets. Without a magnet, this specific SKU does not support CMSE or DMSE sensors.
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 SAIJ50AX950-10 FAQ
At a 0.5 MPa operating pressure, this 50 mm bore cylinder provides 982 N of push thrust and 825 N of pull thrust. At 0.7 MPa, the push force increases to 1374 N.
The SAIJ50X950-10 has a nominal 950 mm stroke with a rear adjuster screw that allows you to shorten the effective travel by up to 10 mm, creating a usable 940-950 mm window. The adjuster is a mechanical stop, not a lock, and the cylinder requires live air to hold position.
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