Airtac SAIJ80 Adjustable Cylinder SAIJ80BX150-100
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80BX150-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 150mm 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
- Stroke150 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 SAIJ80BX150-100
The AirTAC SAIJ80X150-100 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to dial back the nominal 150 mm travel by up to 100 mm. This creates a wide 50-150 mm usable window, ideal for highly variable end-position tuning during machine setup or product changeovers.
This unit is configured with a SUS304 stainless steel piston rod for superior corrosion resistance and a PT tapered port thread. The extruded aluminum barrel includes sensor grooves on both sides for mounting CMSE reed or DMSE electronic switches. It uses a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR options found in other series.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX150-100 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX150-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 150 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 SAIJ80BX150-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×150 | 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 SAIJ80BX150-100 Is Used
Variable End-Stop Positioning
Dial in the exact retract distance from 50 to 150 mm on the fly, perfect for testing multiple part heights on a single fixture without changing tooling.
Machine Changeover Setup
Rapidly adjust the stroke window during product line changeovers to accommodate new package sizes, reducing downtime and eliminating the need for manual shims.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX150-100 the Right Cylinder?
The 100 mm adjustment range is selected when a machine requires frequent product-size changes, allowing you to fine-tune the retract end-stop without swapping the cylinder or bolting on external stops. For fixed-position applications that never require end-tuning, a standard SAI cylinder is a simpler alternative.
Remember that the rear adjuster functions strictly as a travel stop, not a lock; it cannot hold a load without live air pressure. For true fail-safe load holding, consider the SAIL air-released lock or BSAI clamp-lock series. When replacing an ISO 15552 cylinder, match the 80 mm bore, 150 mm stroke, 100 mm adjuster, PT G3/8 port, and the specific mounting style. The 25 mm rod and M20x1.5 thread provide excellent side-load capacity, though any stroke over 300 mm would still require an external guide.
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 SAIJ80BX150-100 FAQ
If you increase the pressure to 0.7 MPa, the push force reaches 3518 N. The maximum allowable operating pressure is 1.0 MPa.
The rear adjuster screw acts as a mechanical stop that lets you shorten the 150 mm nominal stroke by up to 100 mm, creating a usable travel window of 50 to 150 mm. This allows fine-tuning of the end position at commissioning without swapping the cylinder. Note that this adjuster is a stop, not a lock, and requires live air to hold the load.
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Covers non-human-caused product damage.
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