Airtac SAIJ50 Adjustable Cylinder SAIJ50X170-50
The AirTAC Airtac SAIJ50 Adjustable Cylinder SAIJ50X170-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø50mm bore and 170mm 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
- Stroke170 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 SAIJ50X170-50
The AirTAC SAIJ50X170-50 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that provides a usable travel window of 120 to 170 mm. Delivering 982 N of push force at 0.5 MPa, it fits mid-range applications needing precise end-position tuning during commissioning. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE or DMSE switches.
This model features a carbon steel piston rod with an M16x1.5 thread and G1/4 ports. The rear adjustment screw acts strictly as a mechanical stop to trim the retract stroke; it does not lock or hold the load without live air pressure. For load-holding requirements, consider the SAIL or BSAI series instead.
Airtac SAIJ50 Adjustable Cylinder SAIJ50X170-50 Technical Specifications
| Model | Airtac SAIJ50 Adjustable Cylinder SAIJ50X170-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 170 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 SAIJ50X170-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×170 | 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 SAIJ50X170-50 Is Used
Machine Changeover
Dial in the exact retract end-position from 120 to 170 mm during product size transitions without replacing the cylinder.
Variable End Stops
Adjust the stroke on the fly to accommodate different package lengths on a sorting conveyor line.
Clamping Setup
Fine-tune the clamping position during initial machine commissioning to ensure precise 982 N holding force alignment.
Is the Airtac SAIJ50 Adjustable Cylinder SAIJ50X170-50 the Right Cylinder?
Choose this 50 mm bore cylinder when you need 982 N of thrust at 0.5 MPa and a highly variable end-stop, which is ideal for product changeovers on a packaging line. If your application requires less force, the 40 mm bore provides 628 N; for higher force, the 63 mm bore offers 1559 N. The SAIJ adjustable-stroke design allows you to fine-tune the 170 mm nominal travel down to 120 mm without swapping cylinders or adding external stops.
When replacing an ISO 15552 cylinder, match the 50 mm bore, 170 mm stroke, 50 mm adjustment range, PT port thread, and mounting style. Supported mounts include Basic, FA, LB, TC, FTC, TCM1, and TCM2. Because the nominal stroke is under 300 mm, side-load stress is moderate, but always guide the rod end to prevent premature seal wear.
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 SAIJ50X170-50 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.
The rear adjuster screw acts as a mechanical stop that lets you trim the effective travel back by up to 50 mm. This creates a usable stroke window of 120 to 170 mm, allowing precise end-position tuning without adding external stops.
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