Airtac SAIJ80 Adjustable Cylinder SAIJ80BX155-75S
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80BX155-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 155mm 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
- Stroke155 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 SAIJ80BX155-75S
The AirTAC SAIJ80X155-75-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, enabling a usable travel window of 80-155 mm from its 155 mm nominal stroke. Delivering 2268 N of pull force at 0.5 MPa, it handles robust actuation tasks. The -S variant includes a magnet for position sensing via CMSE reed or DMSE electronic switches.
This unit features a SUS304 stainless steel rod for corrosion resistance and PT tapered port threads. The rear adjuster acts purely as a mechanical stop to fine-tune end positions without adding external stops. It is not a locking device; the cylinder relies on live air to hold its load.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX155-75S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX155-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 155 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 SAIJ80BX155-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×155 | 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 SAIJ80BX155-75S Is Used
Variable End-Stop Tuning
Dial the travel back by up to 75 mm to accommodate varying material thicknesses on a processing line without mechanical rebuilds.
Machine Changeover Setup
Rapidly adjust the retract end-position during product size transitions to minimize downtime between production runs.
Corrosion-Resistant Actuation
Leverage the SUS304 stainless steel rod for pushing tasks in environments requiring high rust and corrosion resistance.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX155-75S the Right Cylinder?
Choose this 80 mm bore when an application requires higher force than the 50 mm bore (825 N pull at 0.5 MPa) but less bulk than the 100 mm bore (3681 N pull). The 75 mm adjustment range is ideal for product changeovers, allowing you to dial in the exact end-stop without swapping cylinders. For load-holding without live air pressure, select the SAIL or BSAI series instead of relying on the adjuster.
To replace this cylinder with another ISO 15552 unit, match the 80 mm bore, 155 mm stroke, 75 mm adjustment, PT G3/8 port, and the -S magnet. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2. Because the 25 mm rod and M20x1.5 thread handle side loads well, but stroke length is under 300 mm, an external guide is recommended only if heavy lateral loads are present.
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 SAIJ80BX155-75S FAQ
At 0.9 MPa, the push force increases to 4523 N.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective stroke anywhere within the 80 to 155 mm usable window. It sets the end position but does not lock the load without live air pressure.
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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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