Airtac SAIJ160 Adjustable Cylinder SAIJ160BX120-30S
The AirTAC SAIJ160 Adjustable Cylinder SAIJ160BX120-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 120mm 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
- Stroke120 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 SAIJ160BX120-30S
The AirTAC SAIJ160X120-30-S is a double-acting, double-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers massive thrust, pushing 14074N at 0.7 MPa, making it suited for heavy-duty operations. The integrated -30 adjustment screw allows you to dial back the nominal 120 mm stroke, providing a precise 90-120 mm usable travel window for fine-tuning end positions at commissioning.
This variant features a SUS304 stainless steel rod for superior corrosion resistance and includes a magnet (-S) for position sensing. It operates at 30-500 mm/s and uses PT tapered ports. The rear adjuster functions strictly as a travel stop to set deceleration, not as a lock, meaning it will not hold a load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX120-30S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX120-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 120 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 SAIJ160BX120-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×120 | 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 SAIJ160BX120-30S Is Used
Heavy Metal Forming
Dial in the exact 90-120 mm bottoming position during stamping or forming setup to compensate for material thickness variations without external stops.
Product Changeover Stops
Adjust the rear stopper on the fly when switching between different product sizes on a heavy-duty conveyor line, saving commissioning time.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX120-30S the Right Cylinder?
The adjustable 90-120 mm window is ideal for product changeovers on a line, allowing variable end-stops without swapping the cylinder or adding external stops. For load-holding without continuous air pressure, this cylinder is insufficient; you should consider the SAIL (air-released lock) or BSAI (clamp-lock) series instead.
When replacing an ISO 15552 cylinder, match the 160 mm bore, 120 mm stroke, -30 adjustment, PT port thread, and -S magnet. Mounting options are limited to the SAIJ subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. Although the 120 mm stroke is relatively short, the robust 40 mm SUS304 rod and M36x2 thread handle high side loads well, though external guides are always recommended for heavy masses.
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 SAIJ160BX120-30S FAQ
The rear adjuster screw allows you to shorten the effective travel by up to 30 mm. This creates a 90-120 mm usable stroke window, enabling precise end-position tuning at commissioning. Note that this adjuster acts as a stop and does not lock the load without live air.
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