Airtac SAIJ160 Adjustable Cylinder SAIJ160AX750-20S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160AX750-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 750mm 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
- Stroke750 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX750-20S
The AirTAC SAIJ160X750-20-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the travel window down to 730-750 mm from the 750 mm nominal stroke. Equipped with a 40 mm SUS420J2 stainless steel rod and PT tapered G3/4 ports, it delivers a massive 18095 N of push force at 0.9 MPa. The extruded aluminum barrel includes sensor grooves on both sides, and the integrated -S magnet enables precise position detection with AirTAC CMSE reed and DMSE electronic sensors.
This adjustable stopper lets you dial in the exact retract end-position during commissioning or product changeover without swapping the cylinder or adding external stops. The rear adjuster acts strictly as a travel stop, meaning it decelerates the load alongside the 50 mm air cushions but will not hold the load without live air pressure. For true load-holding, consider the SAIL or BSAI series.
Airtac SAIJ160 Adjustable Cylinder SAIJ160AX750-20S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160AX750-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 750 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 SAIJ160AX750-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×750 | 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 SAIJ160AX750-20S Is Used
Large Press Fine-Tuning
Dial in the exact 730-750 mm retract position on heavy presses during setup or product changeover without machining new external stopper blocks.
Heavy Assembly Line Jigs
Adjust the end-stop on the fly for large automotive or industrial component variants, utilizing the 18095 N push force to move heavy payloads.
Long-Stroke Material Handling
Modify the effective travel window on long-stroke conveyor sorting or lifting mechanisms, relying on the 40 mm stainless steel rod for high structural integrity.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX750-20S the Right Cylinder?
Choose this 160 mm bore when your application requires significantly more force than the 100 mm bore (7068 N push at 0.9 MPa) but less than the 200 mm class (28274 N). The adjustable 730-750 mm travel is ideal for variable end-stops on large machinery, whereas a fixed-stroke SAI is better for repetitive single-depth tasks. Because the stroke is 750 mm, the 40 mm rod requires an external guide to prevent excessive side-loading and premature seal wear.
When replacing an ISO 15552 cylinder, match the 160 mm bore, 750 mm stroke, 20 mm adjustment, PT G3/4 ports, and the -S magnet. The SAIJ supports a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2, but omits FB, CA, CB, and CR brackets. Operating speed is 30-500 mm/s.
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 SAIJ160AX750-20S FAQ
At 0.9 MPa operating pressure, this 160 mm bore cylinder generates 18095 N of push force and 9425 N of pull force. It reaches a maximum of 2050 kgf at 1.0 MPa.
The rear adjuster screw allows you to shorten the effective travel by up to 20 mm, creating a 730-750 mm usable window. It functions as a mechanical stop to decelerate the load and cannot hold the load without continuous air pressure.
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