Airtac SAIJ160 Adjustable Cylinder SAIJ160X185-20
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160X185-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 185mm 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
- Stroke185 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160X185-20
The AirTAC SAIJ160X185-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 165-185mm usable travel window. Delivering 14074N of push force at 0.7MPa, this carbon-steel rod unit handles heavy-duty positioning tasks.
A PT G3/4 port and 50mm variable air cushion manage kinetic energy at the ends of travel. The rear stopper acts solely as a travel limit and does not hold the load without live air pressure; for true drop prevention, SAIL or BSAI lock models are required.
Airtac SAIJ160 Adjustable Cylinder SAIJ160X185-20 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160X185-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 185 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 SAIJ160X185-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×185 | 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 SAIJ160X185-20 Is Used
Heavy Press Tuning
Dial in the exact 165-185mm end position for heavy pressing operations without machining external spacers.
Machine Changeover
Quickly adjust the retract stop to accommodate new product dimensions on automated assembly lines.
Fixture Positioning
Fine-tune the clamping travel window during initial setup to compensate for mechanical tolerances.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160X185-20 the Right Cylinder?
Choose this 160mm bore when 10053N at 0.5MPa is insufficient and you need the 14074N push force at 0.7MPa. The 20mm rear adjuster allows precise end-position tuning during commissioning without swapping cylinders or adding external stops, unlike a fixed-stroke SAI. Dimensionally interchangeable per ISO 15552, it requires a PT G3/4 port, standard mounting, and no -S magnet. The robust 40mm rod handles high side loads, but a 185mm stroke should still be guided externally.
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 SAIJ160X185-20 FAQ
At 0.7MPa operating pressure, this 160mm bore cylinder provides 14074N of push force and 9425N of pull force. At 0.9MPa, the push force reaches 18095N.
The rear adjuster allows you to shorten the 185mm nominal stroke by up to 20mm, creating a 165-185mm travel window. It acts as a mechanical stop to fine-tune end positions and does not lock the load without continuous air pressure.
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Standard models usually ship in 3-4 days.
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