AirTAC B04-SU40X225S Construction Machinery Standard Cylinder Specifications
- Model Series: B04-SU (Heavy-Duty Construction Series)
- Bore Size: 40mm
- Stroke: 225mm
- Operating Pressure: 0.1-0.9 MPa
- Cushioning Type: Adjustable pneumatic cushioning (both ends)
- Material:
- Cylinder Tube: Hard anodized aluminum alloy
- End Caps: Die-cast aluminum with corrosion-resistant coating
- Piston Rod: Chrome-plated stainless steel (SUS304)
- Seal Material: High-wear NBR rubber (standard), optional FKM
- Temperature Range: -20℃ to +80℃ (with dry air)
- Mounting Style: Basic type (standard), optional front flange/ rear foot mounts
- Port Size: G1/8 (ISO228/1 standard)
- Weight: 3.8kg ±2% (with standard accessories)
- Dimensions:
- Extended Length: 406mm (calculated as stroke + cylinder body)
- Retracted Length: 181mm
- Body Diameter: 63mm (max cross-section)
- Rod End Thread: M16×1.5 (external)
- Protection Rating: IP65 (standard wiper seal)
- Optional Features: Built-in magnet for position sensing (S suffix denotes sensor-ready)
High-torque pneumatic cylinder engineered for construction equipment applications. Features triple sealing (rod seal, buffer seal, and wiper seal) and impact-resistant construction. The hard chrome piston rod withstands side loads common in excavator controls and concrete machinery. Requires 5-40μm filtered compressed air with ISO 8573-1:2010 Class 3 purity standards.
- Excavator bucket control mechanisms
- Concrete pump truck outrigger positioning
- Drilling rig feed force adjustment
- Mobile crane hydraulic system assist
- Pile driver impact energy regulation
| Property | Property Value |
|---|---|
| sku | B04-SU40X225S |
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.





