AirTAC B04-SU40X125 Construction Machinery Cylinder Specifications
- Model: B04-SU40X125
- Series: B04-SU Construction Machinery Special
- Bore size: 40mm (ISO 6432 standard)
- Stroke: 125mm (±0.5mm tolerance)
- Structure: Compact double-acting with adjustable cushioning
- Mounting types: Front/rear flange (ISO 15552), foot mounting optional
- Operating pressure: 0.05-1.0 MPa (0.5-10 bar)
- Piston speed: 50-800 mm/s (optimal at 500 mm/s)
- Ambient temperature: -20℃ to +80℃
- Medium temperature: -10℃ to +70℃
- Seal material: NBR (Nitrile) standard, optional FKM/Viton
- Piston rod material: Chrome-plated carbon steel (S45C)
- Cylinder tube: Hard anodized aluminum alloy
- End cover: Die-cast aluminum (ADC12)
- Protection class: IP65 (standard wiper design)
- Weight: 2.8kg ±5% (without accessories)
- Dimensions: 230mm(L) × 80mm(W) × 80mm(H) (retracted length)
- Extended length: 355mm (125mm stroke)
- Port size: G1/8 (NPT1/8 optional)
- Lubrication: Pre-lubricated (DOP oil), maintenance-free for 3,000km operation
Heavy-duty pneumatic cylinder engineered for construction equipment applications. Features enhanced corrosion resistance with multi-layer chrome plating on piston rod and integrated shock absorbers. The dual cushioning system (adjustable at both ends) reduces impact noise by 15dB compared to standard models. Designed to withstand 30% higher lateral loads than conventional cylinders.
- Excavator bucket positioning mechanisms
- Crane boom locking systems
- Concrete pump truck material gate control
- Pile driver impact dampening systems
- Construction hoist braking actuators
| Property | Property Value |
|---|---|
| sku | B04-SU40X125 |
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.





