Airtac SAIJ80 Adjustable Cylinder SAIJ80AX65-30S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX65-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 65mm 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
- Stroke65 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX65-30S
The AirTAC SAIJ80X65-30-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 65 mm travel to a precise usable window of 35-65 mm. Delivering 2513 N of push force at 0.5 MPa, it features a corrosion-resistant SUS420J2 stainless steel rod and an integrated magnet for position sensing.
This adjustable-stroke design eliminates the need to swap cylinders or bolt on external stops during product changeovers. The extruded aluminum barrel includes sensor grooves on both sides for direct mounting of CMSE reed or DMSE electronic switches, while the robust 25 mm rod and M20x1.5 thread handle substantial side loads.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX65-30S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX65-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 65 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 SAIJ80AX65-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×65 | 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 SAIJ80AX65-30S Is Used
Changeover Dials
Quickly reconfigure the 35-65 mm travel window for different product sizes on a packaging line without changing the cylinder.
End-Stop Tuning
Fine-tune the final retracted position during machine commissioning to achieve exact clamping or pressing depths.
Variable Forming
Adjust the rear stop on the fly to accommodate varying material thicknesses in light assembly operations.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX65-30S the Right Cylinder?
Choose this 80 mm bore when an application demands high push force (2513 N at 0.5 MPa) but requires variable end-position tuning; if you need less force, stepping down to a 63 mm bore yields 1559 N. The rear adjuster acts purely as a mechanical stop to set the 35-65 mm travel window and does not hold the load without live air—use an AirTAC SAIL or BSAI cylinder for true pneumatic locking.
To match this ISO 15552 dimensionally interchangeable cylinder, specify an 80 mm bore, 65 mm stroke, 30 mm adjustment, PT tapered ports, and the -S magnet option. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ80AX65-30S FAQ
At 0.5 MPa, this 80 mm bore cylinder provides 2513 N of push force and 2268 N of pull force. At 0.7 MPa, the push force increases to 3518 N.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the 65 mm nominal stroke by up to 30 mm. This creates a usable travel window of 35-65 mm for precise end-position tuning without needing external stops.
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