Airtac SAIJ80 Adjustable Cylinder SAIJ80X300-30S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X300-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 300mm 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
- Stroke300 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X300-30S
The AirTAC SAIJ80X300-30-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 270 to 300 mm, allowing you to dial back the nominal 300 mm stroke by up to 30 mm during commissioning. In the 80 mm bore class, it generates 2513 N of push force and 2268 N of pull force at 0.5 MPa, peaking at 513 kgf at 1.0 MPa.
This unit includes a standard carbon steel piston rod and a magnetic piston (-S) for position sensing. The extruded aluminum barrel features sensor grooves on both sides, compatible with AirTAC CMSE reed switches and DMSE electronic sensors. The rear adjuster acts purely as a mechanical stop to set the retraction end-point; it does not lock or hold the load without continuous air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X300-30S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X300-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 300 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 SAIJ80X300-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×300 | 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 SAIJ80X300-30S Is Used
Product Changeover Lines
Dial in the 270-300 mm retract distance on the fly to handle varying package lengths without physically replacing the cylinder.
End-Stop Tuning
Use the 30 mm rear adjuster to fine-tune the final end position during machine setup, avoiding the cost of custom-machined external stoppers.
Assembly Presses
Leverage the 2513 N push force at 0.5 MPa for pressing tasks, while retaining the flexibility to shorten the stroke if the assembly process changes.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X300-30S the Right Cylinder?
Choose this 80 mm bore when 50 mm (982 N push at 0.5 MPa) is too weak but a 100 mm bore (3927 N at 0.5 MPa) is physically oversized. The 30 mm adjustment window is ideal for product changeovers, letting you fine-tune the end position without adding external stops or swapping out a fixed-stroke SAI cylinder. For load-holding requirements during air loss, consider the SAIL or BSAI locking cylinder series instead.
Because the 300 mm stroke is relatively long, the 25 mm rod should not be relied upon to handle high side loads; an external guide rail is recommended for unsupported loads. This PT-ported, G3/8 cylinder uses the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting FB, CA, CB, and CR brackets. It is dimensionally interchangeable per ISO 15552.
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 SAIJ80X300-30S FAQ
At 0.5 MPa, it provides 2513 N push and 2268 N pull force, reaching a maximum of 513 kgf at 1.0 MPa. The operating speed range is 30-800 mm/s.
The rear adjuster acts as a mechanical stop that lets you shorten the effective stroke from 300 mm down to 270 mm. It only sets the travel end-point and does not lock the load without live air pressure.
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 SAIJ80X300-30S
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.