Airtac SI125 Standard Cylinder SI125X345
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 SI125X345 Standard Cylinder Specifications
- Model: SI125X345
- Bore size: 125mm
- Stroke: 345mm
- Operating pressure: 0.15–0.8 MPa (21.7–116 psi)
- Cushioning type: Adjustable buffer at both ends
- Mounting types: MF1 (front flange), MB1 (rear flange), optional MP4 (side-mounted)
- Port size: G1/2 (BSPP thread)
- Piston rod material: Hard chrome-plated carbon steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR (nitrile rubber)
- Temperature range: -20℃ to 80℃ (-4°F to 176°F)
- Protection rating: IP65 (standard), IP67 (optional)
- Weight: 8.7kg ±2% (without accessories)
- Dimensions:
- Total length: 685mm (stroke + 170mm base length)
- Body diameter: 125mm ±0.5mm
- Mounting flange width: 155mm
- Rod end thread: M30x2.0
High-force industrial cylinder designed for heavy-duty automation applications. Features dual adjustable pneumatic cushions for smooth end-of-stroke deceleration and precision repeatability (±0.5mm). The hard-anodized barrel provides superior wear resistance, while the triple-lip rod seal ensures extended service life under continuous operation.
- Press machine ejection systems
- Automotive welding fixture positioning
- Steel coil handling equipment
- Injection molding machine clamp mechanisms
- Warehouse automated stacking systems
Installation note:
Requires minimum 5μm filtered air with ISO VG32 lubricator oil (1-2 drops/m³).
For vertical mounting, use rod-down orientation to prevent piston drift.
Recommended maintenance: Relubricate every 500km of cumulative stroke travel.
| Property | Property Value |
|---|---|
| sku | SI125X345 |
| 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 | Non-magnetic |
| Bore Diameter | 125mm |
| Stroke | 345 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.