Airtac SAIJ160 Adjustable Cylinder SAIJ160BX290-40S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX290-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 290mm 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
- Stroke290 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX290-40S
The AirTAC SAIJ160X290-40-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 290 mm travel to a precise 250-290 mm window. Delivering 14074 N of push force at 0.7 MPa, it handles heavy positioning tasks. The extruded aluminum barrel features sensor grooves on both sides, and this variant includes a magnet for position detection.
This specific SKU uses a SUS304 stainless steel rod for superior corrosion resistance and ships with PT tapered port threads. The rear adjustment screw acts purely as a mechanical stop to fine-tune the retract end position during commissioning; it does not lock the load without continuous air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX290-40S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX290-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 290 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 SAIJ160BX290-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×290 | 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 SAIJ160BX290-40S Is Used
Product Changeover
Dial in the 250-290 mm travel window during format size changes on a packaging line without physically replacing the actuator.
Heavy Press Fit
Leverage the 14074 N push force at 0.7 MPa to seat heavy components, using the rear stopper to prevent over-travel.
Corrosive Assembly
Utilize the SUS304 stainless steel rod in humid or washdown manufacturing environments where standard carbon steel rods would pit.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX290-40S the Right Cylinder?
Choose this 160 mm bore when an 80 mm bore (providing 3518 N push at 0.7 MPa) is insufficient, but a 200 mm bore is too large. The 40 mm adjustable window is ideal for product-size changeovers on a line, letting you set variable end-stops without swapping the cylinder. If you need the piston to hold its position without live air, the rear stopper cannot act as a brake—select an external rod lock or the AirTAC BSAI clamp-lock series instead.
Because the 290 mm stroke is substantial, the 40 mm rod diameter and M36x2 thread provide rigidity, but an external guide is still recommended to prevent excessive side-loading on long unsupported travel. For an exact ISO 15552 replacement, match the 160 mm bore, 290 mm stroke, PT port, and -S magnet. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and 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 SAIJ160BX290-40S FAQ
At 0.7 MPa operating pressure, this 160 mm bore cylinder provides 14074 N of push force and 9425 N of pull force. The maximum thrust at 1.0 MPa is 2050 kgf.
The rear adjuster screw lets you mechanically shorten the effective travel from the 290 mm nominal stroke down to 250 mm. It acts as a hard stop for end-position tuning and does not function as a load-holding lock.
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Standard models usually ship in 3-4 days.
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