Airtac SAIJ80 Adjustable Cylinder SAIJ80X220-75
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X220-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 220mm 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
- Stroke220 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X220-75
The AirTAC SAIJ80X220-75 is a double-acting, single-rod ISO 15552 profile cylinder engineered for applications requiring precise end-position tuning. It features a robust 25mm carbon steel rod and delivers a substantial 4523N of push force at 0.9 MPa. A rear adjustment screw allows you to shorten the nominal 220mm stroke by up to 75mm, providing a usable travel window of 145 to 220mm without swapping out the hardware.
This adjuster acts purely as a mechanical stop for fine-tuning the retract position during commissioning or product changeovers; it does not hold the load without live air pressure. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE or DMSE switches. Mounting options span Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting the FB, CA, CB, and CR styles.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X220-75 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X220-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 220 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 SAIJ80X220-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×220 | 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 SAIJ80X220-75 Is Used
Product Changeover
Quickly adapt packaging line end-stops for different carton sizes using the 145-220mm travel window.
Machine Setup
Fine-tune the retract position during commissioning without machining new spacer blocks.
Assembly Stations
Provides 4523N of push force at 0.9 MPa for pressing components with an adjustable depth.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X220-75 the Right Cylinder?
Choose this 80mm bore when a 50mm bore falls short on thrust—delivering 1767N push at 0.7 MPa versus the 50mm bore's 1374N. The 75mm adjustment range is ideal for machinery processing varying product sizes, allowing operators to dial in the exact end-stop on the fly rather than installing fixed external stops. For load-holding requirements without continuous air pressure, this cylinder is not suitable; consider the SAIL series with an air-released lock or the BSAI clamp-lock instead.
When ordering, confirm the 220mm stroke, 75mm adjustment, G3/8 PT tapered ports, and carbon steel rod. Because the stroke exceeds 300mm thresholds on larger variants, external guidance is recommended for long unsupported loads, though this 220mm length generally handles side loads well. It is dimensionally interchangeable per ISO 15552 standards.
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 SAIJ80X220-75 FAQ
At 0.9 MPa operating pressure, this 80mm bore cylinder provides 4523N of push force and 2268N of pull force. At 0.5 MPa, it delivers 2513N push and 2268N pull.
The rear adjuster screw mechanically limits the retract stroke, allowing you to shorten the 220mm nominal travel by up to 75mm. This creates a usable window of 145 to 220mm for precise end-position tuning without replacing the cylinder.
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