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 SI125X80STC Standard Cylinder Specifications
- Model: SI125X80STC
- Type: Double-acting piston cylinder with magnetic switch slot
- Bore size: 125mm
- Stroke: 80mm (±1mm tolerance)
- Operating pressure: 0.1–0.9 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting style: Basic type (MF1) with ISO 15552 standard flange patterns
- Port size: G1/2 (ISO228/1)
- Piston speed: 50–800 mm/s (lubricated)
- Seal material: NBR (nitrile butadiene rubber)
- Temperature range: -20℃ to 80℃
- Weight: 5.2kg (cylinder body only)
- Dimensions:
- Total length: 202mm (stroke 80 + 122mm end caps)
- Body diameter: 125mm (nominal bore)
- Mounting flange spacing: 160mm (M9-M12 bolt holes)
- Rod end thread: M20×1.5 (male)
- Protection rating: IP65 (dust-tight & low-pressure water jets)
- Lubrication: Pre-lubricated (oil-free operation possible)
A heavy-duty ISO-compliant cylinder featuring chrome-plated piston rod (18μm coating) and honed aluminum barrel. The STC variant includes T-slot mounting grooves for magnetic sensors (inductive type). Designed for high moment load applications with 30% increased side load capacity compared to basic SI series.
- Plastic injection molding machine ejectors
- Palletizing robot end-effector actuators
- Steel mill furnace door controls
- Paper converting equipment presses
- Automotive welding fixture positioning
| Property | Property Value |
|---|---|
| sku | SI125X80STC |
| 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 | 80 mm |
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.









