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 SI125X75 Standard Cylinder Specifications
- Model: SI125X75
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: 125 mm
- Stroke: 75 mm (±0.5 mm tolerance)
- Operating pressure: 0.15–0.9 MPa
- Cushioning: Adjustable pneumatic cushion at both ends
- Port size: PT1/2 (G1/2 optional)
- Piston rod thread: M20×1.5
- Mounting style: Basic type (MF1), front flange (MF2), rear flange (MF3), foot mounting (MF4)
- Material: Aluminum alloy cylinder tube, chrome-plated steel piston rod
- Seal material: NBR (standard), optional polyurethane
- Temperature range: -20℃ to 80℃
- Weight: 15.8 kg (with standard accessories)
- Dimensions:
- Total length: 318 mm (at mid-stroke)
- Body diameter: 125 mm ±0.5
- Mounting hole spacing: 140 mm (MF2/MF3 flange pattern)
- Rod end height: 187 mm (from centerline)
High-force industrial cylinder designed for heavy-duty applications requiring precise linear motion. Features wear-resistant chromium plating on piston rods and multi-lip seals for ≤0.5 cm³/min leakage rate. Includes magnetic piston for sensor compatibility (SI-M series sensors sold separately).
- Automotive production line clamping fixtures
- Plastic injection molding machine ejectors
- Steel mill material handling systems
- Paper processing equipment actuators
- Hydraulic press auxiliary positioning
| Property | Property Value |
|---|---|
| sku | SI125X75 |
| 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 | 75mm |
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.









