Airtac SI125 Standard Cylinder SI125X420S
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 SI125X420S Standard Cylinder Specifications
- Model: SI125X420S
- Bore size: 125mm
- Stroke: 420mm (±1mm tolerance)
- Operating pressure: 0.1–0.9 MPa
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Basic type (MF1) with foot mounting
- Port size: G1/2 (ISO228 standard)
- Piston speed: 50–800 mm/s (lubricated)
- Ambient temperature: -20℃ to 80℃
- Seal material: Nitrile rubber (NBR) standard
- Rod material: Hard chrome-plated steel
- Protection rating: IP40 (standard wiper)
- Weight: ~10.5kg (without accessories)
- Dimensions: 660mm(L) × 155mm(W) × 155mm(H)
High-thrust industrial cylinder with double-acting operation, featuring precision-machined aluminum alloy tube and corrosion-resistant rod. The magnetic version (SI125X420S-M9) allows for position sensing. Requires 5μm filtered air and regular lubrication every 3 months under continuous operation.
- Press machine ejection systems
- Heavy-duty material clamping fixtures
- Automotive welding line positioning
- Large valve actuation in process plants
- Plastic injection molding machine core pulls
Installation tip:
Maintain 0.05mm/m alignment tolerance during mounting.
Use flexible couplings for stroke >300mm applications.
Allow 50mm clearance behind rod end for maintenance.
| Property | Property Value |
|---|---|
| sku | SI125X420S |
| 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 | S-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.