Airtac SAIJ160 Adjustable Cylinder SAIJ160AX80-40
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160AX80-40 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 SAIJ160AX80-40
The AirTAC SAIJ160X80-40 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers massive thrust, pushing 14074N and pulling 9425N at 0.7 MPa. The built-in rear stopper allows you to trim the 80mm nominal stroke back by up to 40mm, creating a 40-80mm usable travel window for exact end-position calibration during commissioning.
This heavy-duty actuator features a 40mm diameter SUS420J2 stainless steel rod and a PT tapered G3/4 port. It includes adjustable air cushions at both ends to decelerate the high-mass load over a 50mm cushioning distance. The extruded aluminum barrel provides sensor grooves on both sides for mounting CMSE reed or DMSE electronic switches if a magnet is added later.
Airtac SAIJ160 Adjustable Cylinder SAIJ160AX80-40 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160AX80-40 |
|---|---|
| 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 SAIJ160AX80-40
| 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 SAIJ160AX80-40 Is Used
Press Stroke Calibration
Dial in the exact 40-80mm travel window during machine setup to accommodate varying material thicknesses without swapping out the entire cylinder.
Heavy-Duty Forming
Leverage the 14074N push force at 0.7 MPa for metal forming or stamping tasks that require precise end-of-stroke positioning and massive energy transfer.
Product Changeover
Quickly adjust the retract stopper on production lines handling different product sizes, using the 40mm trim range to adapt end positions on the fly.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX80-40 the Right Cylinder?
Choose this 160mm bore when 10045N of push force at 0.5 MPa is required, stepping up from the 125mm bore which provides 6136N. The rear adjuster acts as a travel stop, not a position lock; the SAIJ cylinder cannot hold loads without live air pressure. For secure load-holding, consider the SAIL air-released lock or BSAI clamp-lock variants. To match an ISO 15552 replacement, specify the 160mm bore, 80mm stroke, 40mm adjustment, PT G3/4 port, and the SUS420J2 (A) rod material.
Because the 80mm stroke is relatively short for this large bore, side-loading is less severe than with long-stroke units, but the substantial 40mm rod diameter still handles high bending loads effectively. Mounting options are limited to the SAIJ subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR brackets.
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 SAIJ160AX80-40 FAQ
It features a rear adjusting screw that acts as a mechanical stop. You can shorten the 80mm nominal stroke by up to 40mm, providing a usable travel window of 40-80mm for fine-tuning the retract position without adding external stops.
At 0.7 MPa operating pressure, the SAIJ160X80-40 generates a push force of 14074N and a pull force of 9425N. At 0.5 MPa, it provides 10053N of push force and 9425N of pull force.
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