Airtac SAIJ160 Adjustable Cylinder SAIJ160AX70-50S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160AX70-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 70mm 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
- Stroke70 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX70-50S
The AirTAC SAIJ160X70-50-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers robust performance, offering 10053N of push force and 9425N of pull force at 0.5 MPa. A standout feature is its 50mm adjustment range, which creates a usable travel window of 20-70mm for exact end-position tuning during commissioning.
This unit includes a SUS420J2 stainless steel rod (option A) for improved corrosion resistance and features a built-in magnet for use with CMSE reed and DMSE electronic sensors. The rear screw acts as a travel stop to dial in the stroke without swapping the cylinder, though it does not lock the load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160AX70-50S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160AX70-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 70 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 SAIJ160AX70-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×70 | 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 SAIJ160AX70-50S Is Used
Product Size Changeovers
Quickly dial in the 20-70mm travel window during format changeovers on a packaging line without replacing hardware.
Heavy Press Tuning
Fine-tune the end position of a high-force pressing operation, leveraging the 10053N push capacity at 0.5 MPa.
Variable End Stops
Use the rear stopper screw to set precise retract positions for heavy industrial machinery setup and commissioning.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX70-50S the Right Cylinder?
Select this 160mm bore cylinder when an application demands high thrust combined with variable end stops, such as accommodating product-size changes on a line. If the 10053N push force at 0.5 MPa exceeds your requirement, stepping down to a 125mm bore yields 6136N. To replace this with a fixed-stroke ISO 15552 cylinder, match the 70mm stroke, PT tapered ports, SUS420J2 rod, and -S magnet.
For load-holding without continuous air pressure, note that this adjuster is strictly a stop, not a brake; you would need an external rod lock or a SAIL/BSAI series cylinder. Although the stroke is short, the 40mm rod and M36x2 thread handle high side loads well, but long unsupported strokes still require external guiding.
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 SAIJ160AX70-50S FAQ
At 0.5 MPa operating pressure, this 160mm bore cylinder provides 10053N of push force and 9425N of pull force. It can reach a maximum push force of 18095N at 0.9 MPa.
The rear adjuster screw allows you to shorten the nominal 70mm stroke by up to 50mm, providing an effective adjustable travel window of 20-70mm. The screw functions as a mechanical stop and does not lock the load without live air pressure.
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