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 SI125BX300STC Standard Cylinder Specifications
- Model: SI125BX300STC
- Bore size: 125mm
- Stroke: 300mm
- Operating pressure: 0.15–1.0 MPa
- Temperature range: -20℃ to 80℃
- Cushion type: Adjustable air cushion (both ends)
- Port size: G1/2 (ISO standard)
- Piston rod thread: M20×1.5
- Material: Aluminum alloy barrel (hard anodized)
- Seal material: NBR + Polyurethane (high wear resistance)
- Corrosion protection: Chromium-plated piston rod
- Weight: 8.7kg (with standard accessories)
- Dimensions: 598mm(L) × 142mm(W) × 142mm(H)
- Mounting type: Basic type (MF1) with front flange
- Sensor compatibility: Built-in magnet for proximity switch (PS-16 series)
- Lubrication: Pre-lubricated (oil-free operation possible)
High-torque industrial cylinder designed for heavy-duty applications requiring precise linear motion control. Features double-acting operation with corrosion-resistant construction and enhanced piston guidance system. The hard chrome-plated rod with multi-lip seals ensures 5,000km+ service life under normal conditions.
- Press machine tool clamping mechanisms
- Automotive assembly line positioning systems
- Packaging equipment material compression
- Foundry plant mold ejection systems
- Palletizing robot end-effector drives
| Property | Property Value |
|---|---|
| sku | SI125BX300STC |
| 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 | 300mm |
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.









