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 SI125X125CB Standard Cylinder Specifications
- Model: SI125X125CB
- Bore size: Ø125mm
- Stroke: 125mm (customizable 25-500mm)
- Operating pressure: 0.05–0.8 MPa
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Basic type (MF1) with multiple mounting options:
- Foot mounting (standard)
- Flange mounting (optional)
- Trunnion mounting (optional)
- Port size: G1/2 (ISO228/1 standard)
- Operating temperature: -20℃ to 80℃
- Seal material: Nitrile rubber (NBR) with wear-resistant ring
- Piston rod material: Chrome-plated steel rod (S45C)
- Tube material: Anodized aluminum alloy
- Weight: 6.8 kg (basic configuration)
- Dimensions:
- Extended length: 391mm
- Retracted length: 266mm
- Body diameter: Ø140mm
- Mounting hole spacing: 160mm × 160mm
- Max theoretical thrust: 9817N @0.5MPa
- Lubrication: Pre-lubricated (relubrication interval: 2000km)
- ISO standard: 15552 compliant
High-torque industrial cylinder designed for heavy-duty linear motion applications. Features double-acting operation with precision-machined guide bearings for minimal lateral play. The hardened piston rod (HRC 45-50) withstands side loads up to 30% of maximum thrust. Includes magnetic piston for position sensing compatibility.
- Plastic injection molding machine ejectors
- Automotive assembly line clamping units
- Steel mill material handling systems
- Paper processing equipment actuators
- Die-casting machine core pull mechanisms
- Speed controller: ASC-12
- Magnetic sensor: D-A93
- Rod lock: RLS-125
- Heat-resistant variant available (SIH series) for >80℃ environments
| Property | Property Value |
|---|---|
| sku | SI125X125CB |
| 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 | 125mm |
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.









