Airtac B04-SAI Construction Machinery Special ISO Standard Cylinder B04-SAI40X250
AirTAC B04-SAI40X250 Construction Machinery ISO Cylinder Specifications
- Model: B04-SAI40X250
- Series: B04-SAI (Heavy-Duty Construction Series)
- Bore size: 40mm (ISO 6432 standard)
- Stroke: 250mm (±1.5mm tolerance)
- Operating pressure: 0.1–0.9 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting style: Basic type (Standard) / Optional: MF1 front flange, MB1 rear flange
- Port size: G1/4 (BSPP thread)
- Piston material: Aluminum alloy with hard anodizing
- Rod material: Chrome-plated steel (S45C)
- Seal type: NBR seals (high wear resistance)
- Temperature range: -20℃ to +80℃
- Max piston speed: 500-800 mm/s (with cushioning)
- Weight: 2.5 kg (without accessories)
- Dimensions: 305mm (Length) × 50mm (Width) × 50mm (Height)
- Protection class: IP40 (Dust-proof)
- Lubrication: Pre-lubricated (Non-re-lube design)
Heavy-wall cylinder engineered for construction equipment vibration and shock loads. Features triple sealing system (rod wiper + primary seal + rod guide) for harsh environments. Corrosion-resistant coating withstands hydraulic fluid splashes and outdoor exposure. Includes magnetic piston for position sensing compatibility.
- Excavator bucket positioning mechanisms
- Concrete pump truck boom actuators
- Crane outrigger stabilization systems
- Road roller vibration unit controls
- Drilling rig feed motion systems
Installation guidelines:
Use M8 mounting bolts (8.8 grade minimum) with anti-vibration washers.
Maintain 0.05mm maximum misalignment during installation.
For vertical mounting, install rod end downward to prevent condensate accumulation.
| Property | Property Value |
|---|---|
| sku | B04-SAI40X250 |
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.