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 SI125X475S Standard Cylinder Specifications
- Model: SI125X475S
- Type: ISO 15552 compliant single-acting/double-acting (optional)
- Bore size: 125 mm
- Stroke: 475 mm (±0.5mm tolerance)
- Operating pressure: 0.15–1.0 MPa
- Temperature range: -20℃ to 80℃ (NBR seals)/-20℃ to 150℃ (FKM seals optional)
- Cushioning: Adjustable pneumatic cushion at both ends
- Mounting: ISO mounting pattern with 160mm center distance (MF1/MF2/MF4 options)
- Port size: G3/8 (ISO 228 standard)
- Piston rod thread: M30×1.5 external thread (18mm rod diameter)
- Material: Aluminum alloy cylinder tube, hard anodized
- Seal material: Standard NBR, optional Polyurethane or Fluorocarbon
- Weight: 14.8 kg (dry, without accessories)
- Dimensions:
- Extended length: 940 mm (stroke + cylinder body)
- Body diameter: 136 mm (maximum outer dimension)
- Mounting base: 160×160 mm square pattern
- IP rating: IP54 (standard)/IP67 (with rod cover option)
- Max theoretical force: 1,530N @0.6MPa (double-acting)
High-torque industrial cylinder engineered for heavy-duty linear motion applications. Features precision honed tubing with wear-resistant chromium plating on piston rods. Optional built-in magnet (SI-M series variant) for position sensing. Ideal for applications requiring consistent force output across long strokes.
- Metal stamping press ejection systems
- Automotive welding fixture positioning
- Bulk material handling gates control
- Plastic injection molding machine clamps
- Paper mill roller adjustment mechanisms
| Property | Property Value |
|---|---|
| sku | SI125X475S |
| 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 | 475 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.









