Airtac SAIJ160 Adjustable Cylinder SAIJ160BX240-40S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX240-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 240mm 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
- Stroke240 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX240-40S
The AirTAC SAIJ160X240-40-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a usable travel window of 200 to 240 mm, allowing you to dial back the nominal stroke by up to 40 mm during machine commissioning. Delivering 10053 N of push force at 0.5 MPa, it handles heavy loads while maintaining a standard ISO 15552 mounting footprint.
This variant features a SUS304 stainless steel rod (code B) for superior corrosion resistance and carries PT tapered port threads (G3/4). The extruded aluminum barrel includes sensor grooves on both sides, and the integrated magnet (-S) supports position detection using AirTAC CMSE reed or DMSE electronic solid-state switches. The rear adjuster acts purely as a mechanical travel stop for end-position tuning; it does not lock or hold the load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX240-40S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX240-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 240 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 SAIJ160BX240-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×240 | 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 SAIJ160BX240-40S Is Used
Machine Changeover Setup
Fine-tune the 200-240 mm travel window during product size changes without physically replacing the cylinder or adding external mechanical stops.
Heavy Press Positioning
Leverage the 10053 N push force at 0.5 MPa to move heavy assemblies, using the rear screw to precisely set the final contact position.
Corrosive Environment Actuation
Utilize the SUS304 stainless steel rod and ISO 15552 dimensions for reliable, high-force actuation in washdown or chemically exposed settings.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX240-40S the Right Cylinder?
Choose this 160 mm bore when you need significantly more force than the 125 mm class (6136 N push at 0.5 MPa) but less than the massive 200 mm bore (15708 N). The 40 mm adjustment range is ideal for product changeovers, letting you set variable end-stops without physically swapping the cylinder or adding external stops. If your application requires the load to be held mechanically without continuous air pressure, a standard SAIJ is insufficient; you should look at the SAIL (air-released lock) or BSAI (clamp-lock) series instead.
For an exact ISO 15552 replacement, match the 160 mm bore, 240 mm stroke, 40 mm adjustment, PT G3/4 port thread, and the -S magnet requirement. Mounting options for this adjustable profile cylinder are limited to the Basic, FA, LB, TC, FTC, TCM1, and TCM2 sets, omitting the FB, CA, CB, and CR styles. Since the 240 mm stroke is relatively short for this large bore, side-load risks are moderate, but an external guide is still recommended for heavy offset 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 SAIJ160BX240-40S FAQ
At 0.5 MPa operating pressure, this 160 mm bore cylinder generates 10053 N of push force and 9425 N of pull force. It uses a G3/4 PT tapered port thread and operates at speeds between 30 and 500 mm/s.
The rear adjuster acts as a mechanical stop that lets you shorten the effective travel from the 240 mm nominal stroke down to 200 mm. It is used for fine-tuning end positions at commissioning; it does not lock the load in place without continuous air pressure.
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