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 SI125BX275 Standard Cylinder Specifications
- Model: SI125BX275
- Bore size: Ø125mm
- Stroke: 275mm
- Operating pressure: 0.15–1.0 MPa
- Cushioning type: Adjustable air cushion (both ends)
- Port size: Rc1/2 (G1/2 optional)
- Ambient temperature: -20℃ to 80℃
- Piston speed: 50–800 mm/s
- Rod material: Chrome-plated carbon steel (S45C)
- Tube material: Aluminum alloy (hard anodized)
- Seal material: NBR (nitrile butadiene rubber)
- Weight: 18.6 kg (without accessories)
- Dimensions: 630mm(L) × 156mm(W) × 156mm(H) (full extension)
- Mounting type: Basic type (front flange/rod end flange)
- ISO standard: 15552 compliant
High-force industrial cylinder with precision-machined components for heavy-duty applications. Features wear-resistant rod seals and integrated shock absorption system. The triple-layer chroming process on piston rod ensures corrosion resistance in humid environments. Requires filtered air (5-50μm) with lubrication (ISO VG32 recommended).
- Metal stamping press ejection systems
- Automotive assembly line clamping devices
- Injection molding machine core-pulling mechanisms
- Steel mill material handling equipment
- Paper processing roller positioning
| Property | Property Value |
|---|---|
| sku | SI125BX275 |
| 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 | SUS304 |
| 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.









