Airtac SAUJ80 Adjustable Stroke Cylinder SAUJ80X155-100S
The AirTAC Airtac SAUJ80 Adjustable Stroke Cylinder SAUJ80X155-100S is a genuine double-acting profile-type standard air cylinder with a Ø80mm bore and 155mm 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
- Stroke155 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 SAUJ80X155-100S
The AirTAC SAUJ80X155-100S is a double-acting, single-rod profile cylinder with an external stop screw that lets you shorten the extend stroke on-site by up to 100 mm. This yields a usable working stroke of 55 to 155 mm, letting machine builders dial in the exact end position without buying a new unit. It features a 3/8" port, an M20x1.5 rod thread, and 28 mm adjustable air cushions at each end.
Delivering 2513 N push and 2268 N pull at 0.5 MPa, this 80 mm bore profile body is shorter than an ISO 15552 cylinder of the same size. The integrated -S piston magnet supports CMSG, DMSG, and EMSG switches for position sensing. For sizing, a safe working load is roughly 1508 N (about 60% of the 0.5 MPa push force), and it can vertically lift around 128 kg with a 2:1 safety margin.
Airtac SAUJ80 Adjustable Stroke Cylinder SAUJ80X155-100S Technical Specifications
| Model | Airtac SAUJ80 Adjustable Stroke Cylinder SAUJ80X155-100S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø80 mm |
| Stroke | 155 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 SAUJ80X155-100S
| SAU | Profile-type standard cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×155 | 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 SAUJ80X155-100S Is Used
Variable Depth Forming Press
Dial in the exact 55 to 155 mm extend position on-site to accommodate different material thicknesses without changing tooling.
Adjustable Transfer Pusher
Trim the extend stroke by up to 100 mm to push varying package sizes onto diverging conveyor lanes accurately.
Tiered Pallet Stops
Set precise end positions for different pallet heights, using the external stop screw to quickly reconfigure the working stroke.
Is the Airtac SAUJ80 Adjustable Stroke Cylinder SAUJ80X155-100S the Right Cylinder?
When sizing this unit, look at the neighboring bores: a 63 mm bore provides 1559 N push at 0.5 MPa, while a 100 mm bore yields 3927 N. Choose the 80 mm bore when your application requires the 2513 N thrust at 0.5 MPa. Select the SAUJ over a fixed SAU cylinder when you need on-site extend length tuning rather than relying on machined external stops. Mounting options include Basic, FA flange, and LB foot, with compatibility matching the AirTAC SC series. The -S suffix ensures you have the magnet needed for electronic sensors. For strokes at or above 300 mm, always use external guide rails to prevent side-load damage.
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 SAUJ80X155-100S FAQ
At 0.5 MPa it provides 2513 N push and 2268 N pull. Push force is 3518 N at 0.7 MPa and 4523 N at 0.9 MPa, with a theoretical max of 513 kgf at 1.0 MPa. The nominal 155 mm extend stroke can be shortened by up to 100 mm on-site via the external stop screw, yielding a 55 to 155 mm working range. It uses a 3/8" port.
The -S suffix means a piston magnet is installed, allowing CMSG, DMSG, and EMSG switches to detect position. The stop screw only sets the end position; it is not a load lock. A plain cylinder drifts on air loss because the air cushion only decelerates. To hold a load securely, use an external rod lock or pilot-operated check valve.
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