Airtac SI125 Standard Cylinder SI125X400FB
2. Piston features bidirectional Y-seal structure with cushioning function, offering extended service life and low friction resistance;
3. Aluminum barrel with cruciform reinforcement and black-anodized piston rod for enhanced corrosion resistance;
4. Precision machined cylinder surface ensures smooth operation;
5. Multiple cylinder specifications and mounting accessories available for flexible configurations.
Category: Standard Cylinders | Brand: AIRTAC | Series: SI125
AirTAC SI125X400FB Standard Cylinder Specifications
- Model: SI125X400FB
- Bore size: Ø125mm
- Stroke: 400mm
- Operating pressure: 0.15–0.8 MPa
- Temperature range: -20℃ to 80℃
- Port size: G1/2 (ISO228/1 standard)
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting type: FB series - Front flange with rectangular base
- Material:
- Tube: Aluminum alloy (hard anodized)
- Piston rod: Stainless steel (SUS304)
- End caps: Aluminum alloy
- Seal material: NBR (nitrile rubber)
- Weight: 14.8kg (excluding accessories)
- Dimensions:
- Length: 600mm (full extension: 1000mm)
- Width: 156mm (mounting base dimension)
- Height: 156mm (square flange profile)
- Rod thread: M20×1.5 (external)
- Max theoretical thrust: 9,817N @0.6MPa
- Piston speed: 50–800mm/s
- Protection rating: IP65 (standard wiper seal)
High-force industrial cylinder designed for heavy-duty linear motion applications. Features wear-resistant chromium-plated rod and precision honed tube for smooth operation. The FB mounting configuration provides stable fixation for vertical/horizontal installations. Requires filtered lubricated air (ISO8573-1:2010 class 4.4.3).
- Press machine ejection systems
- Foundry equipment actuation
- Automotive welding fixture positioning
- Large conveyor gate controls
- Construction material compression devices
Installation note:
Always align cylinder axis with motion direction. For vertical mounting,
use rod-end support brackets. Lubricate rod weekly with ISO VG32 hydraulic oil.
Maximum side load: ≤10% of rated thrust.
| Property | Property Value |
|---|---|
| sku | SI125X400FB |
| Seal Material | Polyurethane |
| Understood. Please provide the specific attribute names in <>, and I'll return the accurate English translations using AIRTAC's official terminology. Example: User input: <缸径> My output: Bore | Operating Temperature: -20°C to 80°C Speed Range: 30-500 mm/s |
| Port Size | PT 1/2 |
| Piston Rod Material | Medium Carbon Steel |
| Magnet | Non-magnetic |
| Bore Diameter | 125mm |
| Stroke | <400mm> |
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.