Airtac SI125 Standard Cylinder SI125X70
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 SI125X70 Standard Cylinder Specifications
- Model: SI125X70
- Type: ISO 15552 compliant double-acting cylinder
- Bore size: 125mm
- Stroke: 70mm
- Operating pressure: 0.05–1.0 MPa
- Temperature range: -20℃ to 80℃
- Port size: G3/8 (NPT1/2 optional)
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting types: Basic series (MF1), front flange (MF2), rear flange (MF3), foot mounting (MF4)
- Piston rod material: Hard chrome-plated 45# steel
- Tube material: Aluminum alloy with hard anodized surface
- Seal material: NBR (Nitrile rubber)
- Weight: 5.2kg ±3% (excluding accessories)
- Dimensions (L×W×H): 318mm × 145mm × 145mm (full extension length including rod)
- Rod end thread: M24×1.5
- Max theoretical thrust: 1227N @0.5MPa
- Standard accessories: Cushion needles, mounting bolts (M8×25)
High-force industrial cylinder designed for heavy-duty automation applications. Features triple sealing system (rod seal, piston seal, and wiper) with 2 million cycle durability rating. Corrosion-resistant construction with IP54 protection standard. Requires ISO 8573-1:2010 Class 3-4-3 compressed air quality.
- Press machine ejection systems
- Automotive assembly line clamping devices
- Steel mill material handling equipment
- Packaging machine compression units
- Plastic injection molding machine gates
Installation notes:
- Allow 2-3mm axial clearance for thermal expansion
- Lubricate rod with ISO VG32 hydraulic oil before initial use
- Use flexible couplings when alignment tolerance exceeds ±0.5°
- Maintain 70-95% RH humidity in operating environment
| Property | Property Value |
|---|---|
| sku | SI125X70 |
| 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 | 70mm |
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.