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 SI125AX290 Standard Cylinder Specifications
- Model: SI125AX290
- Type: ISO 15552 compliant double-acting cylinder
- Bore size: 125 mm
- Stroke: 290 mm (adjustable cushioning)
- Operating pressure: 0.15–1.0 MPa
- Piston rod thread: M24x1.5
- Port size: G3/8 (NPT1/2 optional)
- Cushioning type: External adjustable rubber buffer
- Mounting style: Basic type (optional foot/mounting flange)
- Ambient temperature: -20℃ to 80℃
- Cylinder tube material: Aluminum alloy with hard anodized surface
- Piston rod material: Chrome-plated carbon steel
- Seal material: NBR (nitrile rubber) standard
- Weight: 8.5 kg (dry, without accessories)
- Dimensions: 580mm(L) × 140mm(W) × 140mm(H) (full extension)
- Protection rating: IP65 (standard wiper design)
- Lubrication: Pre-lubricated (recommended oil viscosity: ISO VG32)
High-force industrial cylinder designed for heavy-duty automation applications. Features corrosion-resistant construction with dual piston seals for leak-free operation. The magnetic piston version (optional) enables position sensing compatibility. Requires 40μm filtered air with max 1 mg/m³ oil content.
- Automotive production line clamping systems
- Foundry equipment for mold compression
- Paper roll handling in printing machinery
- Steel coil positioning in metal processing
- Heavy-duty conveyor gate actuators
| Property | Property Value |
|---|---|
| sku | SI125AX290 |
| 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 | SUS420J2 |
| Magnet | Non-magnetic |
| Bore Diameter | 125mm |
| Stroke | 290mm |
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.









