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 SI125X300N Standard Cylinder Specifications
- Model: SI125X300N
- Bore size: Ø125mm
- Stroke: 300mm
- Operating pressure: 0.05–1.0 MPa
- Cushioning type: Adjustable cushioning (both ends)
- Mounting style: Basic type (MF1) / Foot mounting (MP4) optional
- Port size: G3/8 (NPT1/2 optional)
- Piston speed: 50–800 mm/s
- Ambient temperature: -20℃ to 80℃
- Material: Aluminum alloy barrel, chrome-plated piston rod
- Seal material: NBR + Polyurethane
- Weight: 5.8 kg (with rod) / 4.3 kg (without rod)
- Dimensions:
- Extended length: 663mm
- Retracted length: 363mm
- Body diameter: Ø136mm
- Mounting hole spacing: 160×160mm
- Rod thread: M20×1.5
- Lubrication: Pre-lubricated (Oil-free operation possible)
High-torque industrial cylinder with heavy-duty construction, featuring dual adjustable rubber cushions for smooth end-of-stroke deceleration. The hard-anodized barrel surface provides superior wear resistance, while the triple-lip rod seal ensures minimal leakage. Requires 40μm filtered air and regular lubrication for optimal performance.
- Automotive assembly line clamping fixtures
- Press machine ejection systems
- Steel coil handling equipment
- Plastic injection molding machine core pulls
- Paper roll positioning mechanisms
| Property | Property Value |
|---|---|
| sku | SI125X300N |
| 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 | 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.









