Airtac SAIJ80 Adjustable Cylinder SAIJ80BX95-20
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX95-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 95mm 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
- Stroke95 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX95-20
The AirTAC SAIJ80X95-20 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering a robust 2513N push force at 0.5 MPa. By turning the rear stopper screw, you can fine-tune the effective travel within a 75-95 mm window, eliminating the need to swap hardware during product changeovers. This 80mm bore unit features a SUS304 stainless steel rod for superior corrosion resistance and operates at speeds of 30-800 mm/s.
It uses a PT G3/8 port and includes adjustable air cushions at both ends to decelerate heavy loads smoothly. The extruded aluminum barrel incorporates sensor grooves on both sides, ready to accept AirTAC CMSE reed or DMSE electronic switches if a magnet is added later. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX95-20 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX95-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 95 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 SAIJ80BX95-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×95 | 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 SAIJ80BX95-20 Is Used
Machine Changeover
Quickly shift the end-stop from 95mm down to 75mm to accommodate different product sizes on the same line without changing cylinders.
End-Position Tuning
Fine-tune the retract position during commissioning to perfect tooling alignment, absorbing mechanical tolerances on the fly.
Heavy Forming
Leverage the 2513N push force at 0.5 MPa for pressing or holding tasks, using the adjuster to set the exact working depth.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX95-20 the Right Cylinder?
Choose this 80mm bore cylinder when an application requires substantial thrust, stepping up from the 50mm bore that provides 982N at 0.5 MPa. The 20mm adjustment range is ideal for precisely dialing in end positions at commissioning without adding external stops. For load-holding without live air pressure, note that the rear adjuster acts only as a travel stop, not a lock; consider an AirTAC SAIL or BSAI cylinder for positive holding. To replace an ISO 15552 unit, match the 80mm bore, 95mm stroke, PT G3/8 port, and mounting interface.
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 SAIJ80BX95-20 FAQ
At 0.5 MPa operating pressure, this 80mm bore cylinder provides 2513N of push force and 2268N of pull force. At 0.7 MPa, the push force increases to 3518N.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the nominal 95mm stroke by up to 20mm. This creates a usable travel window of 75-95mm, which can be fine-tuned during setup without swapping the cylinder.
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