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 SI125X155S Standard Cylinder Specifications
- Model: SI125X155S
- Type: ISO 15552 compliant double-acting cylinder
- Bore size: 125 mm
- Stroke: 155 mm (adjustable cushioning)
- Operating pressure: 0.05–1.0 MPa
- Piston speed: 50–800 mm/s
- Port size: G3/8 (NPT1/2 optional)
- Piston rod material: Chrome-plated 45# steel
- Seal material: Polyurethane (NBR optional)
- Temperature range: -20℃ to 80℃
- Protection rating: IP65 (wipers included)
- Mounting type: Basic MF1 (optional foot/middle trunnion)
- Accessories: Built-in magnet for sensor attachment
- Weight: 7.8 kg (excluding accessories)
- Dimensions:
- Total length: 331 mm (stroke 155 + base length)
- Body diameter: 125 mm
- Rod end thread: M20×1.5
- Mounting hole spacing: 160×160 mm
High-force industrial cylinder designed for heavy-duty applications requiring precise linear motion. Features corrosion-resistant aluminum alloy barrel with chrome-plated rod for extended service life. The adjustable cushioning mechanism minimizes impact at stroke ends, while the modular design allows easy integration with position sensors and mounting accessories.
- Automotive production line clamping systems
- Steel mill material handling equipment
- Plastic injection molding machine ejectors
- Warehouse automated stacking robots
- Foundry press machines
| Property | Property Value |
|---|---|
| sku | SI125X155S |
| 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 | 155mm |
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.









