Airtac SAIJ80 Adjustable Cylinder SAIJ80BX170-50S
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80BX170-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 170mm 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
- Stroke170 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 SAIJ80BX170-50S
The AirTAC SAIJ80X170-50-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. This built-in adjustability eliminates the need to swap out the entire cylinder or bolt on external stops when tuning end positions.
This specific SKU is configured with a SUS304 stainless steel rod for superior corrosion resistance and includes a magnet for position sensing. It uses PT tapered ports and supports AirTAC CMSE reed and DMSE solid-state sensors mounted into the dual-side extruded barrel grooves. The mounting interface covers Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, deliberately omitting FB, CA, CB, and CR brackets.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX170-50S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX170-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 170 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 SAIJ80BX170-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×170 | 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 SAIJ80BX170-50S Is Used
Product Changeovers
Fine-tune the 120-170mm travel window on the fly to accommodate different product lengths without changing the cylinder or adding external stopper blocks.
Variable End Stops
Use the rear adjuster to set precise ejection distances on a conveyor, relying on the SUS304 rod for durability in demanding environments.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX170-50S the Right Cylinder?
The adjustable stroke is ideal for product-size changeovers on a line, acting as a fine-travel stop rather than a load-holding device. The rear adjuster and air cushions only decelerate the travel end; they do not hold the load without live air pressure. For true fail-safe load holding, select the SAIL or BSAI series instead.
When replacing an ISO 15552 cylinder, match the 80mm bore, 170mm nominal stroke, 50mm adjustment range, G3/8 PT ports, and the -S magnet requirement. Because the 170mm stroke is relatively long, the 25mm rod diameter handles side loads well, but you should still use an external guide rail to prevent binding on unsupported loads.
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 SAIJ80BX170-50S FAQ
At 0.9MPa, the push force increases to 4523N.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective stroke from 170mm down to 120mm. It decelerates the travel end but does not lock or hold the load without live air pressure.
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