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 SI125X225 Standard Cylinder Specifications
- Model: SI125X225
- Bore size: 125mm
- Stroke: 225mm
- Operating pressure: 0.15–1.0 MPa
- Cushioning type: Adjustable air cushion (both ends)
- Port size: G1/2 (ISO standard)
- Piston speed: 50–700 mm/s
- Ambient temperature: -20℃ to 80℃
- Weight: 5.8 kg (without accessories)
- Dimensions: 466mm(L) × 160mm(W) × 160mm(H)
- Rod material: Chrome-plated carbon steel
- Tube material: Aluminum alloy with hard anodizing
- Seal material: NBR (nitrile rubber)
- Mounting options: Basic front/rear flange, foot mounting
- ISO standard: 15552 compliant
- Protection rating: IP65 (wipers included)
A heavy-duty industrial cylinder designed for high-force linear motion applications. Features precision honed tubing and double-acting operation with wear-resistant bearings. The buffering system reduces impact noise by 40% compared to standard models. Requires ISO VG32 hydraulic oil lubrication if used in high-cycle applications (>500,000 cycles/year).
- Press machine ejection systems
- Automotive welding fixture positioning
- Plastic injection molding machine core pulling
- Steel coil handling equipment
- Paper roll clamping mechanisms

Property | Property Value |
---|---|
sku | SI125X225 |
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 | 225mm |
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.