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 SI125AX275 Standard Cylinder Specifications
- Model: SI125AX275
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: 125mm
- Stroke: 275mm (adjustable cushion)
- Operating pressure: 0.1–1.0 MPa
- Cushioning: Adjustable pneumatic cushion at both ends
- Port size: G1/2 (standard) with optional NPT1/2 adapter
- Mounting: AX series front flange with through holes
- Piston rod material: Hard chrome-plated carbon steel (Cr-Mo)
- Seal material: NBR/PU composite seals (FDA compliant option available)
- Temperature range: -20℃ to 80℃ (extended to 120℃ with high-temp seals)
- Weight: 15.8kg ±3% (without accessories)
- Dimensions:
- Total length: 607mm (at 275mm stroke)
- Body diameter: 140mm
- Mounting flange: 180×180mm square pattern
- Rod end thread: M36×1.5
High-force industrial cylinder with precision-ground stainless steel guide bushing for axial alignment. Features wear-resistant anodized aluminum barrel and dual magnet slots for position sensing. Corrosion-resistant construction with IP66 rating (optional IP67 with special seals). Includes anti-rotation pin for vertical applications.
- Metal stamping press ejection systems
- Injection molding machine core pulls
- Automotive assembly line clamping units
- Heavy-duty material handling gates
- Paper mill roller positioning
| Property | Property Value |
|---|---|
| sku | SI125AX275 |
| 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 | 275mm |
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.









