Airtac SAIJ160 Adjustable Cylinder SAIJ160X175-20S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160X175-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 175mm 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
- Stroke175 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160X175-20S
The AirTAC SAIJ160X175-20-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering a 155-175 mm usable travel window from its 175 mm nominal stroke. Built with a carbon steel rod and a PT tapered port, it generates 10053 N of pull force at 0.5 MPa and operates at 30-500 mm/s.
This adjustable-stroke design allows you to fine-tune the retract end position at commissioning without swapping the cylinder or adding external stops. The extruded aluminum barrel features sensor grooves on both sides for CMSE reed and DMSE electronic switches, while the rear adjuster acts purely as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160X175-20S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160X175-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 175 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 SAIJ160X175-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×175 | 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 SAIJ160X175-20S Is Used
Variable End-Stop Tuning
Dial in the exact 155-175 mm retract position during machine setup without installing external physical stops.
Product Changeover
Quickly adjust the travel window on automated lines when switching between different product sizes.
Commissioning Calibration
Fine-tune the end-of-stroke position during initial commissioning to perfect timing without cylinder removal.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160X175-20S the Right Cylinder?
Choose this 160 mm bore when an 80 mm bore (2268 N pull at 0.5 MPa) is insufficient, or step down if the 125 mm bore (5734 N pull) better matches your force requirements. The adjustable stroke is ideal for product changeovers requiring variable end-stops, unlike a fixed-stroke SAI cylinder. For load-holding without live pressure, use an external rod lock or pilot-operated check valve, as the rear adjuster is not a brake. To replace an ISO 15552 cylinder, match the 160 mm bore, 175 mm stroke, 20 mm adjustment, PT port, and -S magnet.
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 SAIJ160X175-20S FAQ
At 0.5 MPa it provides 10053 N pull force and 14074 N push force, scaling up to 18095 N push at 0.9 MPa.
The rear adjuster trims the 175 mm nominal stroke by up to 20 mm, creating a 155-175 mm travel window for fine-tuning without changing the cylinder.
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