Airtac SAIJ80 Adjustable Cylinder SAIJ80BX155-100S
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80BX155-100S 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 SAIJ80BX155-100S
Because this specific SKU carries a 100mm adjustment code, you can dial the 155mm nominal stroke back to create a precise 55-155mm usable travel window during commissioning. This prevents the need to swap out the entire barrel or bolt on external stops when finalizing end positions.
Built for demanding environments, this variant features a SUS304 stainless steel rod for superior corrosion resistance and ships with a magnet for CMSE reed and DMSE electronic sensors. The extruded aluminum barrel includes sensor grooves on both sides, and the PT tapered port threads match the standard G3/8 fitting size for this 80mm bore.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX155-100S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX155-100S |
|---|---|
| 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 SAIJ80BX155-100S
| 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 SAIJ80BX155-100S Is Used
Multi-Product Forming
Dial the stroke back from 155mm to 55mm instantly when switching between different material thicknesses on a press line, avoiding mechanical rebuilds.
Commissioning Calibration
Fine-tune the exact retract end-position during machine setup without physically changing the cylinder or adding spacer shims to the tooling.
Variable Length Diverters
Adjust the retract distance on the fly to accommodate varying package lengths on a sorting conveyor without repositioning the actuator.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX155-100S the Right Cylinder?
If you need less force, stepping down to a 63mm bore yields 1559N at 0.5 MPa; stepping up to 100mm provides 3927N. The generous 100mm adjustment range makes it ideal for prototyping or changeovers, whereas a fixed-stroke SAI is better for dedicated, high-cycle repetitive tasks.
When integrating this unit, note that the rear adjuster functions strictly as a travel stop, not a lock, and the air cushions only manage deceleration. The cylinder cannot hold a load without live air pressure, so for fail-safe load holding you must incorporate an external pilot-operated check valve or choose a locking variant like SAIL or BSAI. Mounting options include the SAIJ subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR.
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 SAIJ80BX155-100S FAQ
If operating pressure is increased to 0.9 MPa, the push force reaches 4523N.
The rear adjusting screw acts as a mechanical stop that lets you trim the effective travel down from the 155mm nominal stroke by up to 100mm, resulting in a usable 55-155mm travel window. It sets the end position but does not lock the load without air pressure.
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