Airtac SAUJ80 Adjustable Stroke Cylinder SAUJ80X750-50S
The AirTAC Airtac SAUJ80 Adjustable Stroke Cylinder SAUJ80X750-50S is a genuine double-acting profile-type standard air cylinder with a Ø80mm bore and 750mm 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
- Stroke750 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 SAUJ80X750-50S
The AirTAC SAUJ80X750-50S is a double-acting single-rod profile cylinder built for on-site stroke adjustment. An external stop screw lets you trim the extend stroke by up to 50 mm, giving a usable working range of 700-750 mm. The extruded aluminum profile barrel makes it shorter than an ISO 15552 cylinder of the same 80 mm bore. It features a 3/8" port, an M20x1.5 rod thread, and 28 mm adjustable air cushions at each end. This -S variant includes a piston magnet for CMSG, DMSG, or EMSG sensors.
In the 80 mm bore class, this actuator delivers a push force of 2513 N and a pull force of 2268 N at 0.5 MPa, scaling to 3518 N at 0.7 MPa and 4523 N at 0.9 MPa. For sizing, the safe working load is roughly 1508 N (about 60% of the 0.5 MPa push figure), translating to a vertical lift capacity of approximately 128 kg with a 2:1 margin. It operates at 30-800 mm/s within a 0.15-1.0 MPa pressure range. A high-temperature Viton H seal option extends the operating ceiling from 70 C to 150 C.
Airtac SAUJ80 Adjustable Stroke Cylinder SAUJ80X750-50S Technical Specifications
| Model | Airtac SAUJ80 Adjustable Stroke Cylinder SAUJ80X750-50S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø80 mm |
| Stroke | 750 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 SAUJ80X750-50S
| SAU | Profile-type standard cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×750 | 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 SAUJ80X750-50S Is Used
Variable-Length Pressing
Allows operators to fine-tune the 700-750 mm extend reach on a long-stroke press, adapting to different material thicknesses without changing tooling.
Adjustable Transfer Pusher
Provides a 50 mm on-site stroke trim for a transfer arm, ensuring packages of varying dimensions are pushed accurately to the next station.
Multi-Position Divert Gate
Delivers field-adjustable end positions for a sorting diverter, letting maintenance shift the 80 mm bore actuator stop by up to 50 mm for new lane widths.
Is the Airtac SAUJ80 Adjustable Stroke Cylinder SAUJ80X750-50S the Right Cylinder?
When sizing this actuator, look at both neighbors: the 63 mm bore yields 1559 N push at 0.5 MPa, while the 100 mm bore provides 3927 N. The 80 mm bore hits 2513 N push at 0.5 MPa, making it ideal for mid-heavy automation. Choose the SAUJ over a fixed-stroke SAU when you need final end-position tuning during machine commissioning without buying a new cylinder. The 50 mm adjust window lets you dial in the extend stroke precisely on-site. Basic, FA flange, and LB foot mountings are available, with mounting compatibility matching the AirTAC SC series. The -S magnet supports CMSG/DMSG/EMSG sensors. Because the 750 mm stroke is long, always use external guides to prevent rod bending and manage side loads. Note that the stop screw sets the end position but does not lock the load; use an external rod lock or pilot-operated check valve if holding is required.
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 SAUJ80X750-50S FAQ
This 80 mm bore cylinder has a nominal 750 mm stroke that can be shortened by up to 50 mm on-site, yielding a 700-750 mm usable extend range. It provides 2513 N push and 2268 N pull at 0.5 MPa, 3518 N push at 0.7 MPa, 4523 N at 0.9 MPa, and a theoretical max of 513 kgf at 1.0 MPa. It uses a 3/8" port and runs at 30-800 mm/s.
An external stop screw physically limits the piston's extend travel, letting you trim the stroke by up to 50 mm without disassembling the cylinder. The -S suffix means the piston has a built-in magnet for electronic or reed position sensing using CMSG, DMSG, or EMSG switches. The stop screw only sets the end position; it does not lock the load, and the cylinder will drift on air loss.
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