AirTAC B04-SI63X253S Construction Machinery ISO Cylinder Specifications
- Model: B04-SI63X253S
- Standard: ISO 15552 (VDMA 24562)
- Bore size: 63mm
- Stroke: 253mm (customizable 25-500mm)
- Operating pressure: 0.05-1.2 MPa
- Cushioning: Adjustable air cushion (both ends)
- Port size: G1/2 (ISO standard tapered thread)
- Piston rod thread: M20×1.5 (external)
- Mounting type: Basic MF1 (ISO foot mounting)
- Seal material: NBR/PU combination
- Temperature range: -20℃ to 80℃
- Ambient humidity: ≤95% RH
- Lubrication: Pre-lubricated (DOP-free grease)
- Weight: 3.8kg ±2%
- Dimensions:
- Length: 483mm (fully extended)
- Width: 88mm (mounting base)
- Height: 99mm (including rod end)
- Optional accessories: Magnetic piston kit (SI-MD), heat-resistant seals (-H suffix)
Heavy-duty ISO cylinder engineered for construction equipment applications. Features double-layer chromium-plated rod (20μm thickness) with scratch-resistant coating. The anti-rotation piston rod design prevents torque transmission during operation. Integrated shock absorbers reduce end-impact by 70% compared to standard models.
- Excavator bucket control mechanisms
- Concrete pump truck outrigger positioning
- Loader arm articulation systems
- Drilling rig feed force control
- Crane boom locking devices
| Property | Property Value |
|---|---|
| sku | B04-SI63X253S |
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.



