Airtac SAUJ80 Adjustable Stroke Cylinder SAUJ80X160-50S
The AirTAC Airtac SAUJ80 Adjustable Stroke Cylinder SAUJ80X160-50S is a genuine double-acting profile-type standard air cylinder with a Ø80mm bore and 160mm stroke, 3/8" air ports and adjustable end cushioning. Its hard-anodized aluminum-profile barrel is shorter than an ISO 15552 cylinder of the same bore, and it shares SC-series mounting accessories.
- BoreØ80 mm
- Stroke160 mm
- Port size3/8"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAUJ80 Adjustable Stroke Cylinder SAUJ80X160-50S
The AirTAC SAUJ80X160-50S is a double-acting single-rod profile cylinder with an on-site stroke adjustment window. An external stop screw lets you shorten the extend stroke by up to 50 mm, giving a usable working range of 110-160 mm. The 160 mm nominal stroke is the maximum. It features a 3/8" port, an M20x1.5 rod thread, and 28 mm adjustable air cushions at each end. The extruded aluminum profile barrel makes it shorter than an ISO 15552 cylinder of the same bore.
This 80 mm bore delivers strong thrust: 2513 N push and 2268 N pull at 0.5 MPa, reaching 3518 N at 0.7 MPa. A practical computed insight for sizing is a safe working load of roughly 1508 N (about 60% of the 0.5 MPa push figure), or a vertical lift capacity of approximately 128 kg with a 2:1 margin. The -S suffix means a built-in piston magnet is present for CMSG, DMSG, or EMSG position sensing.
Airtac SAUJ80 Adjustable Stroke Cylinder SAUJ80X160-50S Technical Specifications
| Model | Airtac SAUJ80 Adjustable Stroke Cylinder SAUJ80X160-50S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø80 mm |
| Stroke | 160 mm |
| Acting type | Double acting |
| Port size | 3/8" |
| Rod thread | M20×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 28 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SAU series datasheet. Confirm against the product label before installation. Thread options: PT (blank) / G (BSPP). A high-temperature seal (0-150 °C) is available.
Theoretical Output Force (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAUJ80 Adjustable Stroke Cylinder SAUJ80X160-50S
| SAU | Profile-type standard cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×160 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAU-family variants: SAUD (double rod), SAUJ (adjustable stroke), SAUF (with built-in solenoid valve), and SAU-S with built-in magnet. Seals: TPU (blank) / Viton H / NBR N. Sensor switches: CMSG / DMSG / EMSG.
Where the Airtac SAUJ80 Adjustable Stroke Cylinder SAUJ80X160-50S Is Used
Press Fit Tuning
Allows operators to dial in the exact 110-160 mm extend position for pressing bearings without machining custom spacers.
Variable Depth Sealing
Adjusts the extend stroke on-site to accommodate different box heights on a packaging line using the 50 mm stop window.
Pallet Stop Positioning
Fine-tunes the pusher end position to handle varying pallet widths while utilizing the 2513 N push force at 0.5 MPa.
Is the Airtac SAUJ80 Adjustable Stroke Cylinder SAUJ80X160-50S the Right Cylinder?
Size this 80 mm bore against its neighbors: the 63 mm yields 1559 N push at 0.5 MPa, while the 100 mm provides 3927 N. Choose the SAUJ over a fixed SAU when you need final end-position tuning during machine commissioning rather than adding a separate external stop. The 50 mm adjust window is ideal for setups requiring precise extend variations. Mounting options include Basic, FA flange, and LB foot, sharing compatibility with the AirTAC SC series. The included -S magnet supports reed or electronic sensors. For strokes at or above 300 mm, ensure external guide rails to prevent side-load wear on the rod.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/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 — same as SC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAUJ80 Adjustable Stroke Cylinder SAUJ80X160-50S FAQ
At 0.5 MPa it provides 2513 N push and 2268 N pull. Push force is 3518 N at 0.7 MPa, 4523 N at 0.9 MPa, and a theoretical max of 513 kgf at 1.0 MPa. The external stop screw allows shortening the extend stroke by up to 50 mm on-site, yielding a usable range of 110-160 mm.
The external stop screw mechanically sets the extend end position but is not a load lock. A plain cylinder drifts on air loss because the 28 mm air cushion only decelerates the piston near the end of travel. For secure load holding, install an external rod lock or pilot-operated check valve.
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