Airtac SAIJ160 Adjustable Cylinder SAIJ160BX55-30
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX55-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 55mm 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
- Stroke55 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX55-30
The AirTAC SAIJ160X55-30 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to fine-tune the effective travel window down to 25 mm from the 55 mm nominal stroke. Delivering 18095 N of push force at 0.9 MPa, it is built for heavy-duty positioning tasks. This configuration features a SUS304 stainless steel rod for superior corrosion resistance and PT tapered port threads.
The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting. Because the rear adjuster functions strictly as a travel stop to set end positions during commissioning, it will not hold the load without live air pressure. For true load-holding requirements, consider the SAIL or BSAI series instead.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX55-30 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX55-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 55 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 SAIJ160BX55-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×55 | 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 SAIJ160BX55-30 Is Used
Machine Changeover
Dial in the 25 to 55 mm travel window during product size changes without physically replacing the cylinder or adding external mechanical stops.
Heavy Positioning
Leverage the 18095 N push force to move heavy pallets or fixtures, using the rear stopper to precisely set the retraction end-point.
Corrosive Assembly Lines
Rely on the SUS304 stainless steel rod for durability in washdown or chemically exposed manufacturing environments.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX55-30 the Right Cylinder?
Choose this adjustable-stroke model when your application requires variable end-stops or precise end-position tuning during product changeovers without swapping out the entire cylinder. If your force requirements are lower, stepping down to a 125 mm bore yields 11045 N of push force at 0.9 MPa. Conversely, moving up to a 200 mm bore provides 28274 N.
When matching an ISO 15552 replacement, verify the 160 mm bore, 55 mm stroke, 30 mm adjustment range, PT G3/4 ports, and SUS304 rod material. This cylinder uses a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2 options. Although the 40 mm rod diameter handles high side loads well, any long unsupported stroke still requires an external guide.
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 SAIJ160BX55-30 FAQ
At 0.9 MPa, this 160 mm bore cylinder provides 18095 N of push force and 9425 N of pull force. The operating speed range is 30-500 mm/s.
The rear adjusting screw acts as a stopper, allowing you to shorten the 55 mm nominal stroke by up to 30 mm, creating a usable travel window of 25 to 55 mm for fine-tuning at commissioning.
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