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 SI125X435 Standard Cylinder Specifications
- Model: SI125X435
- Bore size: 125mm
- Stroke: 435mm
- Operation type: Double-acting
- Operating pressure: 0.05–1.0 MPa
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Basic type (Standard) – Optional foot/mid-flange
- Port size: G1/2 (ISO standard)
- Piston speed: 50–800 mm/s
- Ambient temperature: -20℃ to 80℃
- Piston rod material: Hard chrome-plated steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR (Nitrile rubber)
- Protection rating: IP65 (Dust-tight & water jet resistant)
- Weight: 12.8 kg (with rod) / 11.5 kg (without rod)
- Dimensions (L×W×H):
- Retracted length: 655mm
- Extended length: 1,090mm
- Body diameter: Φ140mm
- Mounting hole spacing: 180×180mm (square pattern)
High-force industrial cylinder engineered for heavy-duty linear motion applications. Features precision honed tube with wear-resistant graphite lubricant pre-coating, allowing 3,000km+ service life under rated conditions. The triple-lip rod seal design prevents leakage even under side load conditions. Requires ISO 8573-1:2010 Class 3-4-3 compressed air.
- Metal stamping press ejection systems
- Automotive welding fixture positioning
- Injection molding machine core pulling
- Bulk material handling gates
- Paper roll clamping mechanisms
| Property | Property Value |
|---|---|
| sku | SI125X435 |
| 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 | 435mm |
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.









