Airtac SAIJ80 Adjustable Cylinder SAIJ80X170-50
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X170-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 170mm 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
- Stroke170 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X170-50
The AirTAC SAIJ80X170-50 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a usable travel window of 120-170 mm, letting you dial back the 170 mm nominal stroke by up to 50 mm during machine commissioning. Delivering 4523 N of push force at 0.9 MPa, it fits heavy handling tasks.
The extruded aluminum barrel features sensor grooves on both sides for CMSE or DMSE switches. A 25 mm carbon steel rod with an M20x1.5 thread handles high side loads, while the reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) omits FB and CA brackets.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X170-50 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X170-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 170 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 SAIJ80X170-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | 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 SAIJ80 Adjustable Cylinder SAIJ80X170-50 Is Used
Product Changeovers
Quickly modify the effective stroke between 120 and 170 mm to accommodate different package sizes on the same line without swapping cylinders.
End-Stop Tuning
Fine-tune the retract position during initial setup to dial in exact gripping or pressing distances without adding external mechanical stops.
Heavy Handling
Leverage the 4523 N push force at 0.9 MPa for moving substantial pallets or components, using the adjuster to set safe travel limits.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X170-50 the Right Cylinder?
Choose this 80 mm bore when 50 mm lacks thrust but 100 mm is oversized. The 50 mm adjustment range is ideal for product changeovers, acting as a variable end-stop without external shims. Note that the rear adjuster only sets the travel end; it does not hold the load without live air. For true load-holding, select a SAIL or BSAI cylinder.
When matching ISO 15552 replacements, verify the 170 mm stroke, 50 mm adjuster, PT G3/8 port, and mounting style. Because 170 mm is under 300 mm, side-load risks are moderate, but an external guide is still recommended for heavy lateral loads.
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 SAIJ80X170-50 FAQ
It features a rear screw stopper that allows you to shorten the effective stroke by up to 50 mm. This creates an adjustable travel window from 120 to 170 mm, enabling fine-tuning of the end position without replacing the cylinder.
At 0.9 MPa, the SAIJ80X170-50 provides 4523 N of push force and 4071 N of pull force. It operates at speeds between 30 and 800 mm/s.
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