Airtac B04-SAUD Construction Machinery Dedicated Standard Cylinder B04-SAUD80X450S
The AirTAC B04-SAUD Construction Machinery Dedicated Standard Cylinder B04-SAUD80X450S is a genuine double-acting profile-type standard air cylinder with a Ø80mm bore and 450mm 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
- Stroke450 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 B04-SAUD Construction Machinery Dedicated Standard Cylinder B04-SAUD80X450S
The B04-SAUD80X450S is an AirTAC double-acting, double-rod profile cylinder. The B04- prefix marks it as the construction-machinery dedicated variant of the SAUD80X450S, mechanically identical to the base unit. A rod exits both ends on one piston, so both faces use the rod-side area. Output is equal both ways at 2268 N each direction at 0.5 MPa. The 3/8 inch port and M20x1.5 rod thread handle robust flows.
This extruded aluminum profile body is shorter than an ISO 15552 cylinder of the same bore. The -S suffix provides a built-in magnet for CMSG, DMSG or EMSG switches, while the back rod can carry a sensor cam. Viton H seals can raise the operating ceiling to 150 C.
Airtac B04-SAUD Construction Machinery Dedicated Standard Cylinder B04-SAUD80X450S Technical Specifications
| Model | Airtac B04-SAUD Construction Machinery Dedicated Standard Cylinder B04-SAUD80X450S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø80 mm |
| Stroke | 450 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 | 2268 N | 2268 N |
| 0.7 MPa | 3175 N | — |
| Max (@1.0 MPa) | 463 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac B04-SAUD Construction Machinery Dedicated Standard Cylinder B04-SAUD80X450S
| SAU | Profile-type standard cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×450 | 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 B04-SAUD Construction Machinery Dedicated Standard Cylinder B04-SAUD80X450S Is Used
Excavator Linkage
Synchronizes dual covers on heavy equipment using equal bidirectional force and robust 3/8 inch ports.
Twin Tool Drive
Powers two opposing forming heads from one piston, keeping stroke perfectly matched without twist.
Back Rod Sensing
Uses the rear protruding rod to trip a CMSG switch cam in tight construction machine bays.
Is the Airtac B04-SAUD Construction Machinery Dedicated Standard Cylinder B04-SAUD80X450S the Right Cylinder?
Choose this 80 mm bore when you need 2268 N of equal push and pull force. Sizing up, the 100 mm bore yields 3681 N each way. Sizing down, the 63 mm bore provides 1402 N. A double rod is the right call for anti-rotation guidance, driving twin tooling, or back-end switch tripping. Mounting is limited to Basic, FA flange, and LB foot styles, matching the AirTAC SC series. Because the stroke is 450 mm, add external guides to prevent rod bending under side loads. The -S magnet enables position sensing.
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 B04-SAUD Construction Machinery Dedicated Standard Cylinder B04-SAUD80X450S FAQ
The B04- prefix marks this as the construction-machinery dedicated variant of the SAUD80X450S, sharing identical specs. Force is equal both ways because both faces lose rod area: 2268 N at 0.5 MPa, 3175 N at 0.7 MPa, and 4082 N at 0.9 MPa.
No, a plain double-rod cylinder drifts without live air. The adjustable 28 mm cushions only decelerate near stroke ends. For secure load holding on construction equipment, install an external rod lock or pilot-operated check valve.
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Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
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