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 SI125X310S Standard Cylinder Specifications
- Model: SI125X310S
- Bore size: 125 mm
- Stroke: 310 mm
- Operation type: Double-acting
- Operating pressure: 0.1-1.0 MPa (15-145 PSI)
- Cushioning type: Adjustable pneumatic cushion (both ends)
- Mounting style: Standard MF (Front flange) with optional foot/middle tie-rod
- Port size: G1/2 (ISO228/1 standard)
- Piston rod material: Hard chrome-plated carbon steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR (Nitrile rubber)
- Temperature range: -20℃ to 80℃
- Weight: 16.8 kg (with MF mounting)
- Dimensions:
- Total length (L): 496 mm (stroke 310 + end caps)
- Tube outer diameter: 140 mm
- Mounting flange hole spacing: 160 mm (MF pattern)
- Rod end thread: M20×1.5
- Max theoretical thrust: 12,272 N @ 0.63 MPa
- Max speed: 0.1-1.5 m/s (optimal 0.5 m/s)
- Lubrication: Required (ISO VG32 hydraulic oil mist)
High-force industrial cylinder designed for heavy-duty automation applications. Features corrosion-resistant construction with precision honed tube and triple-lip rod seal. The enhanced cushioning system reduces impact by 40% compared to basic models. Requires filtered air (40μm) with ≤5% relative humidity.
- Press machine actuation systems
- Automotive welding fixture positioning
- Steel coil handling equipment
- Injection molding machine ejectors
- Shipbuilding plate bending machinery
| Property | Property Value |
|---|---|
| sku | SI125X310S |
| 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 | 310mm |
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.







