AirTAC B04-SI50X285 Construction Machinery ISO Cylinder Specifications
- Model Series: B04-SI (Construction Machinery Special)
- Bore Size: 50mm (ISO 6432 standard)
- Stroke: 285mm ±1.5mm tolerance
- Operating Pressure: 0.05-1.0 MPa
- Cushion Type: Adjustable pneumatic cushioning
- Mounting: ISO 15552 foot-mount with alternative options (flange, front/rear pivot)
- Port Size: G1/8 (NPT optional)
- Temperature Range: -20℃ to 80℃
- Piston Rod Material: Hard chrome-plated carbon steel (S45C)
- Tube Material: Anodized aluminum alloy
- Seal Material: High-temp NBR + PU wear band
- Protection Rating: IP65 (standard wiper included)
- Weight: 3.2kg ±5% (without accessories)
- Dimensions (L×W×H):
- Extended Length: 567mm (base length 282mm + stroke)
- Body Diameter: 63mm
- Mounting Foot Span: 42mm × 32mm
- Lubrication: Pre-lubricated (DOP-free grease)
- Replacement Kit: AK-04-SI-SET (includes all wear parts)
Heavy-duty ISO cylinder specifically engineered for construction equipment applications. Features double-lip rod seal with integrated scraper for contamination resistance in dusty environments. The 1.5mm thick cylinder tube wall enables 150% pressure resistance margin over standard models. Includes anti-rotation piston rod design for precise load control.
- Excavator bucket positioning mechanisms
- Loader arm hydraulic assist systems
- Forklift mast elevation control
- Concrete pump boom articulation
- Drilling rig stabilizer deployment
| Property | Property Value |
|---|---|
| sku | B04-SI50X285 |
Returns will be accepted for up to 15 days of Customer’s receipt or tracking number on Not used items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:
- Received the wrong item.
- Item arrived not as expected (ie. damaged packaging).
- Item had defects.
- Over delivery time.
- The shipper does not allow the goods to be inspected before payment.
The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.



