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 SI125X25 Standard Cylinder Specifications
- Model: SI125X25
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: 125 mm
- Stroke: 25 mm (adjustable cushioning)
- Operating pressure: 0.15–1.0 MPa
- Temperature range: -20℃ to 80℃
- Cushioning type: Adjustable pneumatic buffer
- Port size: G3/8 (NPT1/2 optional)
- Mounting style: Basic front flange (ISO 15552 mounting interfaces)
- Piston rod thread: M20×1.5
- Material:
- Tube: Hard anodized aluminum alloy
- Piston rod: Chrome-plated carbon steel (Cr-Mo)
- Seals: NBR/SBU (temperature-resistant variant available)
- Weight: 5.8 kg ±3% (without accessories)
- Dimensions:
- Total length (L): 205 mm (at 25mm stroke)
- Body diameter: 142 mm (max. outer dimension)
- Rod end thread length: 30 mm
- Mounting hole spacing: 160×160 mm (front flange pattern)
- Max theoretical force:
- Thrust @0.6MPa: 7,358 N
- Retract force @0.6MPa: 6,635 N
- Standard accessories: Cushion needles, mounting bolts, wear bands
A heavy-duty linear actuator designed for high-load industrial automation. Features precision-machined guide bands for minimal friction and integrated shock absorption through tunable air cushions. The hardcoat anodized surface provides superior corrosion resistance in humid environments. Compatible with all ISO 15552 mounting accessories.
- Press machine ejection systems
- Automotive welding fixture positioning
- Heavy conveyor gate control
- Plastic injection molding clamp units
- Steel mill roller adjustment mechanisms
| Property | Property Value |
|---|---|
| sku | SI125X25 |
| 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 | <25 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.









