Airtac B04-SU Standard Pneumatic Cylinder for Construction Machinery B04-SU50X250S
AirTAC B04-SU50X250S Construction Machinery Cylinder Specifications
- Series: B04-SU (Construction Machinery Special)
- Bore size: 50mm (ISO 6432 standard)
- Stroke: 250mm ±1.5mm tolerance
- Operating pressure: 0.05-1.0 MPa
- Cushioning type: Adjustable rubber buffer + fixed cushion ring
- Port size: G1/4 (NPT1/4 optional)
- Piston speed: 50-750 mm/s (lubricated)
- Ambient temperature: -20℃ to 80℃
- Mounting style: Basic type (MF1) with front flange
- Rod material: Chrome-plated carbon steel (S45C)
- Cylinder tube: Aluminum alloy (AL6063-T5)
- Seal type: HNBR seals (high temperature/oil resistant)
- Weight: 3.8kg ±2% (without accessories)
- Dimensions:
- Extended length: 516mm
- Retracted length: 266mm
- Body diameter: 60mm
- Mounting hole spacing: 45mm × 45mm
Heavy-duty double-acting cylinder engineered for construction equipment vibration resistance. Features triple sealing (rod wiper + primary seal + rod bearing) and anti-corrosion treatment. Includes magnetic piston version (add "-M" suffix) for position sensing. Requires ISO VG32 hydraulic oil mist lubrication in high-cycle applications.
- Excavator bucket positioning mechanisms
- Concrete pump truck outrigger controls
- Drilling rig feed systems
- Crane boom locking devices
- Road roller vibration unit actuation
Maintenance tip:
Replace rod wiper seals every 500,000 cycles in high-dust environments.
Use locknuts with 25-35 N·m torque during installation.
| Property | Property Value |
|---|---|
| sku | B04-SU50X250S |
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.