Airtac SAIJ80 Adjustable Cylinder SAIJ80BX30-20
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80BX30-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 30mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ80 mm
- Stroke30 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX30-20
The AirTAC SAIJ80X30-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. The integrated PT tapered port ensures a tight pneumatic seal, while the SUS304 stainless steel rod (option B) provides excellent corrosion resistance for demanding environments.
Equipped with a 20mm adjustment mechanism, this model allows you to trim the nominal 30mm stroke back, creating a precise 10-30mm usable travel window. This built-in adjustability enables fine end-position tuning at commissioning without swapping the cylinder or adding external stops. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting, and the variable air cushions at both ends manage deceleration smoothly.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX30-20 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX30-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 30 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 | 2268 N | 2268 N |
| 0.7 MPa | 3175 N | — |
| Max (@1.0 MPa) | 463 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ80 Adjustable Cylinder SAIJ80BX30-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×30 | 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 SAIJ80BX30-20 Is Used
Machine Setup Tuning
Dial in the exact clamping position during initial commissioning using the 10-30mm travel window, avoiding the need to machine custom spacers.
Product Size Changeover
Quickly adapt the stroke end-stop on packaging lines when switching between different product sizes, keeping downtime to an absolute minimum.
Variable End Stops
Set precise retraction limits for machining and pressing operations where the final position must be fine-tuned to match material thickness.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX30-20 the Right Cylinder?
Select this 80mm bore cylinder when your application requires high force in a compact footprint but exact end-positioning needs to be dialed in on the machine. If you need less force, stepping down to a 63mm bore yields 1559N at 0.5 MPa, but the 80mm bore is ideal for heavier payloads. Choose the SAIJ adjustable type over a fixed SAI when you need a variable end-stop for product changeovers. Note that the rear adjuster acts only as a travel stop; it does not hold the load without live air. For load-holding requirements, consider the SAIL or BSAI series, or use an external rod lock. This model is dimensionally interchangeable per ISO 15552, uses a PT port, and omits the FB, CA, CB, and CR mounting styles.
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 SAIJ80BX30-20 FAQ
The rear adjuster screw allows you to shorten the effective stroke by up to 20mm from the nominal 30mm, providing a 10-30mm usable travel window. It functions as a mechanical stop to fine-tune the end position and does not lock the load without continuous 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 are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
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