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 SI125X310STC Standard Cylinder Specifications
- Model: SI125X310STC
- Type: ISO 15552 compliant double-acting cylinder
- Bore size: 125mm
- Stroke: 310mm (±1.5mm tolerance)
- Operating pressure: 0.1–0.9 MPa
- Cushioning: Adjustable rubber buffers (both ends)
- Piston rod material: Chrome-plated steel (16mm diameter)
- Tube material: Anodized aluminum alloy
- Seals: NBR (standard), optional FKM/Viton
- Port size: G1/2 (BSPP thread)
- Mounting types: Basic (front flange), optional rear flange or foot
- Temperature range: -20℃ to 80℃
- Weight: ~5.8kg (without accessories)
- Dimensions: 568mm(L) × 160mm(W) × 160mm(H) (full extension)
- Rod thread: M16×1.5 male thread
- Max theoretical force: 883N@0.5MPa (extend), 803N@0.5MPa (retract)
- ISO speed range: 50–750mm/s
High-force industrial cylinder designed for heavy-duty automation applications. Features corrosion-resistant construction with integrated magnetic slot (STC variant) for position sensing. Optimized for smooth operation through precision honed tube and triple-lip rod seal design. Requires ISO 8573-1:2010 Class 3-4-3 compressed air.
- Automotive assembly line clamping systems
- Press machine actuation
- Plastic injection molding ejectors
- Heavy material handling gates
- Packaging machine compression units
- MS125-10S magnetic sensor (IP67 rated)
- ADK-SC-125 shock absorber (for high-speed applications)
- CRD125X20 rod wiper reinforcement kit
| Property | Property Value |
|---|---|
| sku | SI125X310STC |
| 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 | 310mm |
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.









