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 SI125X400SCB Standard Cylinder Specifications
- Model: SI125X400SCB
- Bore size: 125mm
- Stroke: 400mm
- Operating pressure: 0.1–0.9 MPa
- Cushion type: Adjustable air cushion (both ends)
- Port size: G3/8 (ISO standard)
- Piston speed: 50–800 mm/s
- Ambient temperature: -20℃ to 80℃
- Seal material: NBR/PU (nitrile/polyurethane)
- Rod material: Chrome-plated steel
- Tube material: Aluminum alloy (hard anodized)
- Mounting type: SCB series front flange (ISO 15552 compliant)
- Weight: 9.8 kg (including mounting accessories)
- Dimensions (L×W×H):
- Retracted length: 658mm
- Extended length: 1058mm
- Flange width: 160mm
- Overall height (with rod): 180mm
- Protection rating: IP65 (dust-tight & water jet resistant)
- Lubrication: Pre-lubricated (recommended relubrication every 2,000km stroke)
High-force industrial cylinder designed for heavy-duty automation applications. Features dual adjustable pneumatic cushions for smooth deceleration and anti-vibration design. The hard-anodized barrel surface provides enhanced wear resistance in harsh environments. Includes magnetic piston for position sensing compatibility.
- Automotive production line clamping fixtures
- Press machine ejection systems
- Foundry equipment material handling
- Heavy conveyor gate control
- Plastic injection molding machine core pulls
- Ensure 0.5° maximum angular misalignment during mounting
- Maintain 1.5mm minimum clearance between rod end and load
- Use SAE VG32 hydraulic oil for relubrication
- Install air filter regulator with ≤25μm filtration
- Avoid side load exceeding 200N at full extension
- Maximum permissible radial play: ±1.2mm
- Not suitable for vertical downward thrust applications without counterbalance
| Property | Property Value |
|---|---|
| sku | SI125X400SCB |
| 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 | 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.









