Airtac SI125 Standard Cylinder SI125BX220S
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 SI125BX220S Standard Cylinder Specifications
- Model: SI125BX220S
- Type: Double-acting pneumatic cylinder
- Bore size: 125mm
- Stroke: 220mm
- Operating pressure: 0.1–0.9 MPa (15–130 PSI)
- Cushioning: Adjustable rubber buffer + air cushion
- Mounting style: Basic type (MF1) with front/rear foot mounting holes
- Medium: Clean dry air (Lubricated or non-lubricated)
- Ambient temperature: -20℃ to 80℃
- Port size: G3/8 (ISO standard)
- Piston rod thread: M33×2 (External)
- Max speed: 500–800 mm/s (lubricated)
- Weight: 11.2 kg (without accessories)
- Dimensions: 578mm(L) × 150mm(W) × 150mm(H) (Full extended length)
- Rod end type: Female thread + hexagon nut
- Seal material: NBR (Nitrile rubber)
- Durability: 5,000 km (Tested stroke life)
- Protection rating: IP65 (Dust-tight & water jet resistant)
High-power industrial cylinder designed for heavy-duty linear motion applications. Features dual cushioning system with 5-stage adjustable damping, precision honed aluminum alloy tube (hard anodized), and chrome-plated piston rod with wear-resistant coating. Includes built-in magnetic field for sensor compatibility.
- Injection molding machine ejectors
- Automotive assembly line clamping
- Steel mill material handling systems
- Paper processing equipment actuators
- Die-casting machine core-pulling mechanisms
Installation guidelines:1. Use alignment jigs during mounting to prevent side load
2. Maintain 0.5–1mm clearance between rod end and load
3. Lubricate with ISO VG32 hydraulic oil if non-lubricated air supply used
4. Allow 10% stroke margin beyond working range for cushioning effectiveness
| Property | Property Value |
|---|---|
| sku | SI125BX220S |
| 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 | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | 220mm |
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.