Airtac SI125 Standard Cylinder SI125X400FTC
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 SI125X400FTC Standard Cylinder Specifications
- Model: SI125X400FTC
- Bore size: 125 mm
- Stroke: 400 mm
- Operating pressure: 0.15–0.8 MPa (21.7–116 psi)
- Operating temperature: -20℃ to 80℃
- Cushion type: Adjustable air cushion (both ends)
- Port size: PT1/2 (G1/2 optional)
- Mounting type: MF1 (Standard front flange)
- Piston rod thread: M33×2.0
- Seal material: NBR (Nitrile rubber)
- Speed range: 50–800 mm/s (with cushion)
- Weight: 12.5 kg (without accessories)
- Dimensions:
- Body diameter: 125 mm
- Extended length: 787 mm (stroke + cylinder ends)
- Retracted length: 387 mm
- Rod end bracket width: 160 mm
- Mounting hole spacing: 150 mm (vertical) × 105 mm (horizontal)
High-force pneumatic cylinder designed for heavy-duty industrial applications. Features dual adjustable pneumatic cushions for smooth deceleration, corrosion-resistant anodized aluminum construction, and precision honed inner bore. The FTC variant includes front threaded mounting for stable installation. Requires 40μm filtered lubricated air (ISO 8573-1 class 4) for optimal performance.
- Press machine ejection systems
- Automotive welding fixture actuation
- Foundry equipment material handling
- Industrial packaging compression units
- Plastic injection molding machine clamps
Installation note:
Always align cylinder axis with load direction within ±2° tolerance.
For vertical mounting exceeding 45° angle, use rod-end locking nut (AN125 accessory).
Lubricate through FRL unit with ISO VG32 pneumatic oil at 1 drop/m³ airflow.
| Property | Property Value |
|---|---|
| sku | SI125X400FTC |
| 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.