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 SI125X900N Standard Cylinder Technical Specifications
- Model: SI125X900N
- Bore size: 125 mm
- Stroke: 900 mm
- Operating pressure: 0.1–1.0 MPa
- Cushioning type: Adjustable pneumatic cushion (both ends)
- Port size: G3/4 (ISO228/1 standard)
- Piston rod diameter: 45 mm (chromium-plated steel)
- Maximum thrust: 12,272 N @ 0.63 MPa
- Operating temperature: -20℃ to 80℃
- Ambient humidity: ≤95% RH (non-condensing)
- Cylinder material: Aluminum alloy tube (hard anodized), aluminum end caps
- Seal material: NBR (nitrile rubber) with wear-resistant ring
- Mounting style: Basic type (standard foot & front flange mount holes)
- Weight: Approximately 38.6 kg (dry, without accessories)
- Dimensions: 1,280mm (L) × 165mm (W) × 165mm (H)
- ISO certification: 6431, 15552 compliant
- Lubrication: Pre-lubricated (recommended oil viscosity: ISO VG32)
High-torque industrial cylinder designed for heavy-duty linear motion applications requiring extended stroke precision. Features triple sealing system with integrated scraper to prevent particulate ingress. The hard-anodized inner tube surface ensures low friction coefficient (μ≤0.2) and extended service life exceeding 5,000 km travel distance under standard conditions.
- Metal stamping press ejection systems
- Automotive welding fixture positioning
- Paper roll clamping in printing machinery
- Heavy conveyor gate actuation
- Plastic injection molding machine core pulls
| Property | Property Value |
|---|---|
| sku | SI125X900N |
| Seal Material | NBR |
| 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 | <900mm> |
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.









