Airtac SAIJ160 Adjustable Cylinder SAIJ160BX180-75S
The AirTAC SAIJ160 Adjustable Cylinder SAIJ160BX180-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 180mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ160 mm
- Stroke180 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 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 SAIJ160 Adjustable Cylinder SAIJ160BX180-75S
Its built-in 75mm adjustment screw allows you to fine-tune the effective travel anywhere within a 105-180mm window. This eliminates the need to physically swap cylinders or bolt on external stops during machine commissioning or product changeovers.
This specific configuration features a SUS304 stainless steel rod for superior corrosion resistance and includes a magnet for position sensing. The rear stopper acts purely as a travel end-limit and works alongside the standard 50mm air cushions to decelerate the load, but it does not hold the load without continuous live air. For secure load-holding without pneumatic pressure, an external rod lock or a related AirTAC SAIL locking cylinder is required.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX180-75S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX180-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 180 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 50 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 (Ø160mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 9425 N | 9425 N |
| 0.7 MPa | 13195 N | — |
| Max (@1.0 MPa) | 1922 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 SAIJ160 Adjustable Cylinder SAIJ160BX180-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×180 | 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 SAIJ160 Adjustable Cylinder SAIJ160BX180-75S Is Used
Press Stroke Calibration
Dial in the exact 105-180mm end-position during press setup to accommodate different material thicknesses without changing the cylinder.
Product Changeover
Quickly adjust the retract stop on a packaging line to handle varying product sizes, leveraging the 75mm trim range for rapid format changes.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX180-75S the Right Cylinder?
If your setup requires less force, stepping down to a 125mm bore yields 8590N at 0.5 MPa, whereas moving up to a 200mm bore provides 21991N at 0.7 MPa. The SAIJ series is chosen over a fixed-stroke SAI cylinder when a precise, adjustable end-stop is needed to dial in the exact retract position on the fly.
This SKU features PT tapered ports and a -S magnet compatible with AirTAC CMSE reed and DMSE electronic sensors. It supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. Because the 180mm stroke is relatively short for this large bore, side-load risks are minimal, but an external guide remains recommended for heavy off-center 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 SAIJ160 Adjustable Cylinder SAIJ160BX180-75S FAQ
The rear adjusting screw acts as a mechanical stopper that lets you shorten the nominal 180mm stroke by up to 75mm, creating a usable travel window of 105-180mm. It sets the end position and works with the air cushion to decelerate the load, but it is not a lock and will not hold the load without live air pressure.
At 0.7 MPa, the push force increases to 14074N.
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