Airtac SAIJ160 Adjustable Cylinder SAIJ160AX55-50S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160AX55-50S 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 SAIJ160AX55-50S
The AirTAC SAIJ160X55-50-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the nominal 55 mm stroke back by up to 50 mm. This yields a highly flexible usable travel window of 5 to 55 mm, letting you dial in exact end positions during commissioning without adding external stops. It delivers robust thrust, pushing 10053 N and pulling 9425 N at 0.5 MPa, making it suitable for heavy-duty positioning tasks.
This specific configuration includes a SUS420J2 stainless steel rod (option A) for enhanced corrosion resistance compared to standard carbon steel. Equipped with a magnet (-S), it supports AirTAC CMSE reed and DMSE solid-state electronic sensors via the dual-side extruded aluminum barrel grooves. It uses PT tapered G3/4 ports and operates at speeds between 30 and 500 mm/s.
Airtac SAIJ160 Adjustable Cylinder SAIJ160AX55-50S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160AX55-50S |
|---|---|
| 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 SAIJ160AX55-50S
| 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 SAIJ160AX55-50S Is Used
Heavy-Duty Press Fitting
Provides up to 18095 N of push force at 0.9 MPa for assembling large components, with the 5-55 mm travel window allowing precise depth control during initial tool setup.
Product Line Changeover
Quickly adjust the retract end position by up to 50 mm when switching between product sizes, avoiding the downtime of physically replacing cylinders or repositioning external stop blocks.
Automated Clamp Station
Delivers 9425 N of retract pull force at 0.5 MPa for securing heavy workpieces, with the SUS420J2 rod offering reliable corrosion resistance in demanding industrial environments.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX55-50S the Right Cylinder?
Choose this 160 mm bore when you need substantially more force than a 125 mm bore provides (6136 N push at 0.5 MPa) but want to avoid the larger footprint and 15708 N output of a 200 mm cylinder. The adjustable stroke is ideal for product changeovers on a line, allowing you to reposition the retract stopper on the fly rather than physically swapping out a fixed-stroke SAI cylinder.
For ISO 15552 dimensional interchangeability, match the 160 mm bore, 55 mm stroke, 50 mm adjustment range, PT G3/4 port, and -S magnet. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2. Remember that the rear adjuster functions strictly as a travel stop, not a lock; the cylinder will not hold a load without live air pressure. For fail-safe load holding, consider the SAIL or BSAI series instead.
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 SAIJ160AX55-50S FAQ
At 0.5 MPa operating pressure, this 160 mm bore cylinder exerts 10053 N of push force and 9425 N of pull force. At the maximum 1.0 MPa, the push force reaches 18095 N.
The rear adjuster acts as a mechanical stopper that lets you shorten the 55 mm nominal stroke by up to 50 mm, creating a usable travel window of 5 to 55 mm. It only sets the end position and does not lock the load without continuous air pressure.
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