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 SI125X1200 Standard Cylinder Technical Specifications
- Full model designation: SI125X1200
- Bore size: Ø125mm (ISO 6432 standard)
- Stroke length: 1200mm (max recommended for this series)
- Operating pressure: 0.1-1.0 MPa
- Cushioning type: Adjustable pneumatic cushion (both ends)
- Piston rod material: Chrome-plated carbon steel (HRA≥75)
- Tube material: Anodized aluminum alloy
- Seal type: NBR/PU compound seals (ISO 5597 compliant)
- Mounting styles: Basic type (MF1), Front flange (MF2), Rear flange (MF3), Foot mounting (MF4)
- Port size: G1/2" (ISO 1179-1 standard)
- Ambient temperature: -20℃ to +80℃
- Weight: 28.6kg (dry, without accessories)
- Dimensions (L×W×H):
- Total length: 1325mm (stroke+end caps)
- Body diameter: Ø136mm (max tube dimension)
- Mounting base: 165×165mm (MF2/MF3 flange pattern)
- Protection class: IP65 (rod gland sealing)
- Theoretical force output:
- @0.63MPa: 7740N (extending), 6990N (retracting)
- @1.0MPa: 12270N (extending), 11090N (retracting)
High-torque long-stroke pneumatic cylinder designed for heavy-duty industrial applications. Features dual anti-rotation guide rods (optional) for enhanced lateral load capacity. The hardened piston rod with multi-lip seals ensures ≤0.5mm/s leak rate under 0.5MPa. Requires 5-40μm filtered lubricated air (ISO 8573-1 class 4).
- Metal stamping press ejection systems
- Automotive welding fixture positioning
- Paper roll handling in converting machinery
- Shipbuilding plate bending equipment
- Concrete mold clamping mechanisms
| Property | Property Value |
|---|---|
| sku | SI125X1200 |
| 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 | 1200mm |
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.









