Airtac SAIJ160 Adjustable Cylinder SAIJ160BX80-20
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX80-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 80mm 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
- Stroke80 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX80-20
The AirTAC SAIJ160X80-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster, designed to fine-tune end positions during commissioning. It provides a usable travel window of 60-80 mm by trimming the nominal 80 mm stroke up to 20 mm without adding external stops. Equipped with a robust 40 mm SUS304 stainless steel rod and PT tapered ports, it handles heavy loads with a 10053 N pull force at 0.5 MPa.
This adjustable-stroke model utilizes an extruded aluminum barrel with sensor grooves on both sides for flexible CMSE or DMSE switch mounting. The rear adjuster acts purely as a travel stop to set deceleration and end limits; it does not hold the load without live air pressure. For applications requiring position holding without continuous air, consider the SAIL or BSAI series instead.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX80-20 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX80-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 80 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 SAIJ160BX80-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×80 | 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 SAIJ160BX80-20 Is Used
Heavy Press Tuning
Dial in the exact 60-80 mm travel distance for heavy pressing and clamping operations during initial commissioning without external spacers.
Product Changeover
Quickly adjust the retract end-position by up to 20 mm on automated lines to accommodate varying product sizes on the fly.
Assembly Station Stops
Use the rear stopper to fine-tune the end-of-stroke deceleration for heavy 160 mm bore assembly actuators handling high forces.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX80-20 the Right Cylinder?
Choose this 160 mm bore cylinder when your application requires substantial thrust, such as the 10053 N pull or 14074 N push at 0.7 MPa, combined with the flexibility to dial in the exact end-of-stroke within a 60-80 mm window. If your force requirements are lower, stepping down to a 125 mm bore yields 5734 N of pull force at 0.5 MPa, whereas larger loads up to 15708 N pull would necessitate the 200 mm bore.
The adjustable stroke is ideal for machine setups requiring variable end stops or frequent product changeovers, eliminating the need to swap out a fixed-stroke SAI cylinder. When specifying a replacement, match the 160 mm bore, 80 mm stroke, 20 mm adjustment, PT port thread, and the SUS304 (B) rod material. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ160BX80-20 FAQ
At 0.5 MPa operating pressure, this 160 mm bore cylinder provides 10053 N of pull force and 14074 N of push force. At 0.7 MPa, the push force increases to 14074 N.
The rear adjuster screw allows you to shorten the effective travel from the nominal 80 mm down to 60 mm. This provides a 60-80 mm usable window to fine-tune the end position at commissioning without swapping the cylinder.
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