Airtac SAIJ80 Adjustable Cylinder SAIJ80X175-30S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X175-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 175mm 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
- Stroke175 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X175-30S
The AirTAC SAIJ80X175-30-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. Equipped with a standard -S magnet, it integrates seamlessly with AirTAC CMSE reed and DMSE electronic solid-state sensors housed in the dual-side barrel grooves. The built-in adjuster allows you to trim the effective travel, providing a 145-175 mm usable stroke window from the 175 mm nominal length.
Delivering 2513 N of push force and 2268 N of pull force at 0.5 MPa, this 80 mm bore actuator handles robust dynamic loads. It features a 25 mm carbon steel rod with an M20x1.5 thread, offering high rigidity against side loads. The mounting hardware covers Basic, FA, LB, TC, FTC, TCM1, and TCM2 configurations, deliberately omitting FB, CA, CB, and CR brackets to streamline the adjustable rear assembly.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X175-30S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X175-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 175 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 SAIJ80X175-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×175 | 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 SAIJ80X175-30S Is Used
Product Changeovers
Dial in the 145-175 mm stroke window during line format changes to accommodate different package lengths without replacing the actuator.
End-Position Tuning
Fine-tune the retract stop during machine commissioning to perfect timing sequences and eliminate mechanical hard stops.
Assembly Presses
Leverage the 2513 N push force at 0.5 MPa for pressing operations while retaining the flexibility to adjust the stroke depth on the fly.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X175-30S the Right Cylinder?
Select this 80 mm bore actuator when an application requires higher thrust than a 63 mm bore (which provides 1559 N push at 0.5 MPa) but does not need the full 3927 N force of a 100 mm cylinder. The 30 mm adjustment range is ideal for product changeovers, allowing operators to dial in the exact end-position without swapping cylinders or adding external stops. Note that the rear adjuster acts strictly as a travel stop and does not hold the load without live air pressure; for fail-safe load holding, consider the SAIL or BSAI series. As a dimensionally interchangeable ISO 15552 profile cylinder, it replaces standard units using PT tapered G3/8 ports and the specified mounting set.
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 SAIJ80X175-30S FAQ
At 0.5 MPa, this 80 mm bore cylinder provides 2513 N of push force and 2268 N of pull force. It can deliver up to 4523 N of push force at its maximum 0.9 MPa operating pressure.
The rear adjuster acts as an external stopper that lets you shorten the effective stroke from the nominal 175 mm down to 145 mm. It sets the travel end but does not lock or hold the load without continuous air pressure.
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