Airtac SAIJ160 Adjustable Cylinder SAIJ160BX400-30S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX400-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 400mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ160 mm
- Stroke400 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX400-30S
The AirTAC SAIJ160X400-30-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering 10053N of push force at 0.5 MPa. The integrated -30 mm adjustment screw creates a precise 370-400 mm usable travel window, enabling exact end-position tuning during commissioning without swapping out the entire actuator. A SUS304 stainless steel rod provides high corrosion resistance, while the included magnet (-S) supports position sensing.
This heavy-duty actuator features a G3/4 PT tapered port and operates at speeds of 30-500 mm/s. The rear adjuster acts purely as a mechanical stop for position refinement and relies on the variable air cushion for end-of-stroke deceleration. It is not a locking mechanism, meaning the cylinder cannot hold a load without continuous live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX400-30S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX400-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 400 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 | 10053 N | 9425 N |
| 0.7 MPa | 14074 N | — |
| Max (@1.0 MPa) | 2050 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ160 Adjustable Cylinder SAIJ160BX400-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×400 | 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 SAIJ160BX400-30S Is Used
Product Changeover
Dial in the 370-400 mm travel window during format changes to accommodate different pallet sizes without adding external mechanical stops.
Heavy Pressing
Utilize the 10053N push force at 0.5 MPa for heavy-duty pressing operations while fine-tuning the bottoming position at commissioning.
Guided Ejection
Eject large formed parts reliably using the SUS304 stainless rod, ensuring external guides are used to manage the 400 mm stroke side loads.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX400-30S the Right Cylinder?
Selecting this 160 mm bore actuator makes sense when your equipment requires substantial thrust—such as 10053N push or 9425N pull at 0.5 MPa—but demands on-the-fly end-position calibration. If your application needs less force, stepping down to a 125 mm bore yields 6136N of push force. Conversely, if you require higher capacity, the 200 mm bore provides 15708N. The adjustable 370-400 mm window is ideal for product-size changeovers on a line, replacing the need to manually install external stops or fixed SAI cylinders.
Because this model features a 400 mm stroke, the extended 40 mm rod is susceptible to side-loading; an external guide mechanism is recommended to prevent premature seal wear. For load-holding without live air pressure, this standard SAIJ configuration is insufficient—you should integrate an external rod lock or pilot-operated check valve. To achieve a true ISO 15552 replacement match, ensure you specify the PT port thread, the SUS304 rod material, the -S magnet for CMSE or DMSE sensors, and a mounting option from the SAIJ subset (Basic, FA, LB, TC, FTC, TCM1, TCM2).
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 SAIJ160BX400-30S FAQ
At 0.5 MPa operating pressure, this 160 mm bore cylinder provides 10053N of push force and 9425N of pull force. At a maximum 1.0 MPa pressure, it can deliver up to 2050 kgf.
The rear adjuster screw allows you to shorten the 400 mm nominal stroke by up to 30 mm, creating a usable travel window of 370-400 mm. This stopper fine-tunes the end position but does not lock the load without live air pressure.
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