Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-50
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 160mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ80 mm
- Stroke160 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-50
The AirTAC SAIJ80X160-50 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 110 to 160 mm, allowing you to dial back the 160 mm nominal stroke by up to 50 mm during commissioning. Delivering 3518 N of push force at 0.7 MPa, it handles heavy loads while maintaining standard ISO 15552 mounting dimensions.
This model uses a 25 mm carbon steel rod and a PT tapered G3/8 port. The extruded aluminum barrel includes sensor grooves on both sides for direct mounting of CMSE reed or DMSE electronic switches. The rear adjuster acts purely as a mechanical stop for end-position tuning and does not hold the load without continuous air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-50 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 160 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M20×1.5 |
| 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, 36 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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×160 | 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 SAIJ80 Adjustable Cylinder SAIJ80X160-50 Is Used
Machine Setup Changeover
Dial in the 110-160 mm travel window during product size changes without physically swapping the actuator or adding external stopper blocks.
Variable End-Stop Tuning
Use the 50 mm rear adjustment range to fine-tune the retract position precisely during commissioning for multi-format packaging machinery.
Heavy Payload Positioning
Leverage the 3518 N push force at 0.7 MPa to move heavy jigs into their final retracted position, relying on the adjuster to set the exact stopping point.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-50 the Right Cylinder?
Choose this 80 mm bore when a 50 mm bore falls short, offering 1374 N push at 0.7 MPa compared to this unit's 3518 N. The 50 mm adjustment range is ideal for product changeovers on automated lines, letting you reset variable end-stops without swapping the cylinder or adding external stops. For load-holding without live air, select a SAIL or BSAI series instead, as the SAIJ adjuster is not a lock.
This cylinder accepts Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts. It omits FB, CA, CB, and CR options. It is dimensionally interchangeable with ISO 15552 cylinders, featuring a PT port thread and no standard 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 SAIJ80 Adjustable Cylinder SAIJ80X160-50 FAQ
At 0.7 MPa operating pressure, this 80 mm bore cylinder generates 3518 N of push force and 2268 N of pull force. It can deliver up to 4523 N push at 0.9 MPa.
The rear adjuster lets you mechanically shorten the 160 mm nominal stroke by up to 50 mm, creating a 110-160 mm usable travel window. It functions as a physical stop for end-position tuning and does not lock the load without air pressure.
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