Airtac SI125 Standard Cylinder SI125BX400S
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 SI125BX400S Standard Cylinder Specifications
- Model: SI125BX400S
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: 125 mm
- Stroke: 400 mm (±1.5mm tolerance)
- Operating pressure: 0.15–1.0 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting style: Square base with through holes (ISO 15552-MB1)
- Port size: G1/2 (BSPP thread)
- Piston rod material: Chrome-plated carbon steel (HRC 40-50)
- Tube material: Anodized aluminum alloy
- Seal material: Nitrile rubber (NBR) standard (PU optional)
- Temperature range: -20℃ to 80℃
- Max theoretical force (@0.63MPa): 7,750N (extend), 6,900N (retract)
- Weight: 12.8 kg (without accessories)
- Dimensions:
- Total length: 672 mm (stroke 400 + 2×136mm end caps)
- Body diameter: 142 mm (including mounting bosses)
- Mounting base: 125×125 mm square
- Rod thread: M24×1.5 external thread
- Lubrication: Pre-lubricated (relubrication interval: 2,000km)
High-torque industrial cylinder optimized for heavy-duty automation applications. Features wear-resistant chromium-plated piston rod with integrated scraper seal to prevent contamination. The anodized barrel includes magnetic sensor slots (non-embedded type) for position feedback. Designed for 1 million cycle durability under rated pressure.
- Automotive production line clamping fixtures
- Steel mill material handling systems
- Injection molding machine ejectors
- Paper processing equipment actuators
- Warehouse vertical lift mechanisms
Installation guidelines:
For vertical mounting, use rod-end support brackets when stroke exceeds 300mm.
Cushion adjustment requires 10+ test cycles for optimal setting.
Maintain ≤0.5mm/m alignment tolerance during mounting.
- SI-MF12 magnetic sensor kit
- SI-AD125 auto cushion adjuster
- SI-RK125 rod-end spherical bearing
| Property | Property Value |
|---|---|
| sku | SI125BX400S |
| 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 | SUS304 |
| Magnet | S-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.