Airtac SAIJ80 Adjustable Cylinder SAIJ80X275-75S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X275-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 275mm 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
- Stroke275 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X275-75S
The AirTAC SAIJ80X275-75-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 200-275 mm, allowing you to dial back the 275 mm nominal stroke by up to 75 mm during commissioning without adding external stops. Equipped with a standard carbon steel rod and a -S magnet, it supports AirTAC CMSE reed and DMSE electronic sensors via dual-side barrel grooves.
Delivering 2513 N of push force and 2268 N of pull force at 0.5 MPa, this 80 mm bore unit handles demanding tasks. The PT tapered port is G3/8, and the unit relies on variable air cushions at both ends to decelerate the load. The rear adjuster acts strictly as a travel stop, meaning it will not hold a load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X275-75S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X275-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 275 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 SAIJ80X275-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×275 | 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 SAIJ80X275-75S Is Used
Machine Changeover
Fine-tune the 200-275 mm travel window during product size transitions on a packaging line without swapping cylinders.
End-Position Tuning
Dial in the exact retract end-stop during commissioning to perfect a pressing or forming operation.
Variable Diverter
Adjust the stroke length on the fly to accommodate different package sizes moving down a conveyor belt.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X275-75S the Right Cylinder?
Choose this adjustable-stroke model over a fixed SAI when your machine setup requires variable end-stops or frequent product-size changeovers. If you need slightly less force, the 63 mm bore offers 1559 N push at 0.5 MPa. Because the 275 mm stroke is relatively long, ensure you use an external guide to support the rod and prevent excessive side-loading. For load-holding without live pressure, select the SAIL or BSAI series instead, as this adjuster is not a lock. It is dimensionally interchangeable per ISO 15552 using a 80 mm bore, 275 mm stroke, 75 mm adjustment, PT G3/8 port, and -S 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 SAIJ80X275-75S FAQ
At 0.5 MPa operating pressure, this 80 mm bore cylinder provides 2513 N of push force and 2268 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 513 kgf.
The rear adjuster screw lets you shorten the 275 mm nominal stroke by up to 75 mm, creating a usable travel window of 200-275 mm. This allows precise end-position tuning without external stops.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models usually ship in 3-4 days.
Fast Reply
Most inquiries answered within 7-8 hours.
Request a Quote for Airtac SAIJ80 Adjustable Cylinder SAIJ80X275-75S
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.