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 SI125AX70 Standard Cylinder Specifications
- Model: SI125AX70
- Type: ISO 15552 compliant single-acting/pneumatic cylinder
- Bore size: 125 mm
- Stroke: 70 mm (customizable up to 2000 mm)
- Operating pressure: 0.1–1.0 MPa
- Cushioning: Adjustable air cushion (both ends)
- Port size: G1/2 (NPT optional)
- Piston rod thread: M20×1.5
- Ambient temperature: -20℃ to 80℃
- Body material: Aluminum alloy (anodized)
- Seal material: NBR (Nitrile) with wear-resistant ring
- Piston rod material: Chrome-plated steel
- Weight: 5.4 kg (bare cylinder without accessories)
- Dimensions: 285mm(L) × 145mm(W) × 145mm(H) (at mid-stroke)
- ISO mount pattern: 160mm center distance (front flange)
- Max thrust: 1,227N @ 0.63MPa
- Speed range: 50–750 mm/s
- Protection rating: IP65 (with optional wipers)
High-force industrial cylinder with triple sealing system for leak prevention. Features corrosion-resistant construction and precision honed tube (Ra≤0.2μm). Optional magnetic piston for position sensing. Requires ISO VG32 or equivalent hydraulic oil lubrication for optimal performance.
- Automotive assembly line clamping systems
- Foundry equipment actuation
- Plastic injection molding machine ejectors
- Heavy-duty material handling gates
- Steel mill rolling mill adjustments
| Property | Property Value |
|---|---|
| sku | SI125AX70 |
| 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 | SUS420J2 |
| 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.









