Airtac SI125 Standard Cylinder SI125X420N
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 SI125X420N Standard Cylinder Specifications
- Model: SI125X420N
- Bore size: Ø125 mm
- Stroke: 420 mm
- Operating pressure: 0.1–0.9 MPa
- Cushion type: Adjustable air cushion (both ends)
- Operating temperature: -20℃ to 80℃
- Port size: 1/2" NPT (G1/2 optional)
- Mounting type: Basic type (MF1), front flange (MF2), rear flange (MF3)
- Piston rod material: Chrome-plated carbon steel (C45E)
- Tube material: Aluminum alloy (anodized surface)
- Seal material: Nitrile rubber (NBR) with wear-resistant ring
- Weight: 12.5 kg ±3%
- Dimensions: 685mm(L) × 145mm(W) × 145mm(H)
- Magnetic sensor slot: Built-in (compatible with D-A93 series sensors)
- Piston speed: 50–800 mm/s (lubricated)
Heavy-duty industrial cylinder designed for high thrust applications requiring precision control. Features dual adjustable pneumatic cushions for smooth end-of-stroke deceleration and hardened piston rod for extended service life. The anodized barrel provides corrosion resistance in humid environments. Requires ISO 8573-1:2010 Class 3-4-3 compressed air quality.
- Metal stamping press ejection systems
- Automotive assembly line clamping devices
- Plastic injection molding machine core pullers
- Heavy material handling gates/doors
- Paper mill roller positioning mechanisms
Installation note:
Ensure proper alignment using guide rails for strokes >300mm. Lubricate through air port using ISO VG32 hydraulic oil
during initial installation. Allow 50mm clearance at rod end for full stroke operation.
Maintenance alert:
Replace cushion seals every 500,000 cycles in continuous operation. Use only manufacturer-approved replacement kits
to maintain IP54 protection rating.
| Property | Property Value |
|---|---|
| sku | SI125X420N |
| Seal Material | NBR |
| 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 | 420mm |
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.