Airtac SAIJ80 Adjustable Cylinder SAIJ80X100-50
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X100-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 100mm 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
- Stroke100 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X100-50
The AirTAC SAIJ80X100-50 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a nominal 100 mm stroke that can be dialed back by up to 50 mm, yielding a usable travel window of 50-100 mm for exact end-position tuning. Operating at 0.5 MPa, it delivers 2513 N of push thrust and 2268 N of pull force.
Equipped with a G3/8 port and a 25 mm carbon steel rod with an M20x1.5 thread, it handles substantial loads. The extruded aluminum barrel includes sensor grooves on both sides for CMSE reed and DMSE electronic switches. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X100-50 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X100-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 100 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 SAIJ80X100-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×100 | 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 SAIJ80X100-50 Is Used
Variable End-Stop Positioning
Dial in the exact clamping depth between 50 and 100 mm during machine setup, avoiding the need to physically swap out the entire cylinder for a shorter unit.
Product Size Changeovers
Quickly adapt an automated line to different product lengths by turning the rear adjuster screw, reducing downtime between production runs.
High-Force Assembly Pressing
Leverage the 2513 N push force at 0.5 MPa for pressing operations while retaining the flexibility to trim the travel distance on the fly.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X100-50 the Right Cylinder?
Choose this 80 mm bore when a 50 mm bore provides insufficient force (982 N push at 0.5 MPa) and you need the 2513 N push capability at 0.5 MPa, or step down if lower force is acceptable. The 50 mm adjustment range is ideal for machine changeovers, allowing you to shift the end-stop without swapping cylinders or adding external stops.
For ISO 15552 replacement, match the 80 mm bore, 100 mm stroke, 50 mm adjustment, PT tapered port thread, and the required mounting. Since the stroke is 100 mm, side-load is minimal, but always guide the load for optimal bearing life. Note that the rear adjuster acts as a travel stop, not a lock; for load-holding without live air, use an external rod lock or pilot-operated check valve.
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 SAIJ80X100-50 FAQ
At an operating pressure of 0.5 MPa, this 80 mm bore cylinder provides a push force of 2513 N and a pull force of 2268 N. At the maximum pressure of 1.0 MPa, it can deliver up to 513 kgf.
The rear adjuster screw acts as an external stopper that shortens the effective stroke. For this SAIJ80X100-50 model, you can trim the 100 mm nominal stroke back by up to 50 mm, creating a usable travel window of 50 to 100 mm without changing the cylinder itself.
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